Mac help and articles on older topics

Here is a listing of older articles about Mac and related matters, arranged by topic. Newer (Big Sur and later) articles are detailed here.

Catalina, macOS 10.15

Battery health management in Catalina 10.15.5
Sparse bundles: what they are and how to work around their bugs
Surprise Supplemental Update
What changed in the 10.15.4 Supplemental Update?
Apple has released Catalina 10.15.4 Supplemental Update
Where did all that free space go on my APFS disk?
How Preview mangles annotations
Some Macs don’t update their firmware when they should
How Time Machine backups waste space
Apple has changed resetting permissions again
App Store updates get more unreliable
What has changed in macOS 10.15.4?
Apple has released macOS 10.15.4 update and Security Updates 2020-002
Which extended attributes does iCloud preserve, and which get stripped?
What has Accessibility got to do with me?
How macOS 10.14 and later overrides write permission on some files
A Guide to Catalina’s Privacy Protection: 5 Location
Finder still thinks this Mac’s got a hard disk, and won’t set Preview Options
Checking backup transfer rates using T2M2 version 1.13
Time Machine 14: Diagnosing and working around slow backups
Duff disk or normal behaviour?
Time Machine in Catalina 10.15.3 has serious bugs
Why privileged commands may never be allowed
When you can’t run an app because its extension(s) won’t load
SSD it
Time Machine 12: Backups that never complete
Orphaned snapshots: a growing problem?
Is Catalina a good upgrade yet?
Hardening and notarization finally arrive in Catalina
Pervasive effects of the Catalina 10.15.3 update
What changed in the Catalina 10.15.3 update?
Apple has released macOS Catalina 10.15.3, and security updates for Mojave and High Sierra
Quarantine, SIP, and MACL: macOS per-file security controls
What’s this new AppleInternal folder then?
File system funnies: how to put two TextEdits side by side
A Guide to Catalina’s Privacy Protection: 4 tccutil
What could possibly go wrong on an app first run?
Catalina Boot Volumes
Testing iCloud using Cirrus
A Guide to Catalina’s Privacy Protection: 3 New protected locations
A Guide to Catalina’s Privacy Protection: 2 Controlling privacy settings
A Guide to Catalina’s Privacy Protection: 1 Principles and structure
Protecting folders and volumes is too blunt
Diagnosing privacy protection problems in Catalina
Catalina users caught in a game of chance
Catalina’s privacy protection backfires again: why you can’t save a logarchive there
When apps show mirror-writing upside down in Catalina
Explanations required – end of year review
Find My Mac and Activation Lock
Flaws in re-installing Catalina
Opening documents, SIP and quarantine flags in Catalina
Time Machine: 6 Networked storage
Making sense of Disk Utility and disk structure in macOS 10.13-10.15
How clean re-installs change in Catalina
Time Machine: 5 Changing Macs and more
Catalina 10.15.2 has changed Gatekeeper’s dialogs to confuse notarization status
Dictation changes in Catalina – for the worse?
Apple has released Catalina 10.15.2 update and Security Updates for High Sierra and Mojave
What has changed in Catalina 10.15.2?
Why does my Mac keep waking up?
Are you having weird problems with Catalina?
Stick a fork in it, and other flashbacks
Apple invents a new procedure to fix MacBook Pro 13-inch 2019 models
What happens when you run an app in Catalina?
Can you still use AFP sharing?
All aboard for Catalyst: how macOS runs iPadOS apps
‘private’ – the problem of censorship in macOS unified log
Are you ever likely to use Terminal in Catalina?
Why macOS has to change, and how iOS is showing the way – Catalyst apps and RunningBoard
Time Machine travels
Time Machine has changed again in Catalina
Time Machine and backing up in Catalina
Welcome to the managed environment?
Safe Booting in Catalina has changed
Preparing for new security rules: how signatures can get stripped
How RunningBoard tracks every app, and manages some
RunningBoard: a new subsystem in Catalina to detect errors
Starting up in Catalina: sequence and waypoints in the log
What has changed in the Catalina 10.15.1 update?
Support articles for Catalina, and macOS download links
Catalina’s log can’t be unprivatised
AirDrop and quarantine flags
Relocated Items in Catalina
Catalina crashes non-notarized command tools with a quarantine flag
What’s this about 10.15 Supplemental Update 2?
Firmware update failure in iMac Retina 5K 27-inch Late 2015 with Catalina
Why Catalina may have problems with extensions
The worst macOS upgrade ever?
Security data files: how they’ve changed in Catalina
SilentKnight, LockRattler and silnite updates to extend 10.15 checks
macOS 10.15 Catalina Supplemental Update is now available (updated)
Apple has added a new security database to Catalina, bringing 3 updates
Inside Catalina’s unified log: how has it changed?
More than adventurous – changes in Catalina
Beware of Mail bugs in Catalina
Has Apple just pushed the first Catalina-only security update?
How Catalina handles app first run
Which EFI firmware should your Mac be using? (version 4)
Will Gatekeeper let me run that app in Catalina?
How has XProtect changed?
Is a VM a good answer for running 32-bit apps in Catalina?
Preparing to upgrade to Catalina
Don’t try reverting a T2 to older firmware
How to tell if an app will run in Catalina
Using ArchiChect 1.2 to check for 32-bit code
Should you upgrade to Catalina early?
Prepare to upgrade to Catalina
It’s time to test your scripts against Catalina’s path changes
Changing security makes privacy protection confusing
Are we ready for Time Machine 2.0 yet?
Taccy version 1.2 now deciphers new privacy settings for Catalina
Should you beta-test Catalina?
More haste, less upgrade
Why Catalina has got a read-only system volume
Will my app/tool/extension run on Catalina?
What to do when you can’t launch an app
Grokking Gatekeeper in Catalina
Checking whether apps are notarized using Signet
Notarization in Mojave and Catalina
Can you tell whether code has been notarized?
What is SIP and when is it safe to turn it off?
Time Machine: past, present and future
How to find all your 32-bit apps: a non-buyer’s guide
Building and delivering command tools for Catalina
Homage to Catalina

Mojave, macOS 10.14

How macOS 10.14 and later overrides write permission on some files
Apple has released Catalina 10.15.2 update and Security Updates for High Sierra and Mojave
What’s changed in the Mojave 10.14.6 Security Update 2019-002?
What changed in Mojave 10.14.6 Security Update 2019-001?
Time Machine beaten by the clock: backup fails due to bug
How to get Photos to show the library selection dialog each time it runs
Should you trust Disk Utility’s First Aid or fsck?
macOS Mojave 10.14.6 Supplemental Update 2 (actually 3), plus Sierra and High Sierra Security Update 2019-005
What doesn’t Time Machine back up?
Volume recovery using an APFS snapshot
The problem with APFS snapshots
Mojave 10.14.6 can still panic MacBook Pro 15-inch 2018 and 2019 models
The minor update that took 5 weeks
Downloading an older version of macOS isn’t simple
macOS Mojave Boot Volume Layout
macOS Mojave 10.14.6 Supplemental Update take 2 is now available (updated)
Preference settings: where to find them in Mojave
Why isn’t APFS fully supported yet in macOS?
Global defaults in macOS Mojave
Working safely and effectively with preferences in Mojave
APFS tools suck
Hitting the limits of APFS is both easy and confusing
Colour fonts are upon us – in Mojave at least
Apple Remote – what went wrong with Mojave 10.14.6 Update and two Security Updates
Known bugs in macOS Mojave 10.14.6: an incomplete summary
Document versions, copying, and iCloud in Mojave, and a new version of DeepTools
Spotlight search can skip files
Apple, meet WYSIWYG; it’s the way Macs used to work
studentd and its self-signed certificate are permanent fixtures in Mojave
Mojave 10.14.6 is ready for the new Mac Pro – what has changed in the update
Mojave 10.14.6 update, and Security Updates 2019-004 for Sierra and High Sierra
Mojave’s privacy consent works behind your back
How to add a custom icon to an app without breaking its signature
Privacy protection can pay off when it’s allowed to
Understanding signature checks on notarized apps in Mojave 10.14.5: 1
Understanding signature checks on notarized apps in Mojave 10.14.5: 2
Last of the Mojave
What to do when you can’t launch an app
Notarization in Mojave and Catalina
What is SIP and when is it safe to turn it off?
Time Machine: past, present and future
How to bypass Mojave 10.14.5’s new kext security
Can you tell whether code has been notarized?
Installing kernel extensions in Mojave 10.14.5
Icons, symbols, and Unicode PUA
Apple releases additional firmware update for MacBook Pro 15 inch with T2 chip
Notarization arrives in 10.14.5
Files that aren’t: how Safari puts weblocs on pause
What has changed in the Mojave 10.14.5 update?
Mojave 10.14.5 changes kernel extension security
macOS Mojave 10.14.5 update has been released, with Sierra and High Sierra Security Updates 2019-003
Finder icons and QuickLook: friends or enemies?
Finder security errors opening documents: a summary
When does Mojave check an app’s signature? The answer isn’t entirely consistent
TextEdit goes out of its way to destroy data
🎗 Quarantine: Apps
🎗 Quarantine: Documents
Mojave’s Legacy Software is doubly wrong
Macs move closer to compulsory notarization
How does notarization affect your own apps and scripts?
The hard road to macOS 10.15
Sandboxing makes quarantine flags almost meaningless
The Quest for Sparse Files in APFS: do they exist?
Struggling with macOS 10.15 already
Getting 64-bit clean: now is the time
Quantum computing and APFS: free and used space
Back to school: studentd and Classroom in Mojave 10.14.4
Apple has released (late) macOS 10.14.4 update, and security updates for Sierra and High Sierra
What has changed in the Mojave 10.14.4 update?
Apple is killing QuickTime 7 in macOS 10.15: convert old media now
Mojave Spotlight bug: Dictionaries don’t do Dark Mode
macOS 10.14.4 update likely on 25 March, with new iMacs and more?
Disk Utility can’t resize APFS disk images, but hdiutil can
Happy birthday APFS
Should you add a new APFS Container or Volume?
Mojave’s Time Machine 1.5: Working well but small quirks
Keyboard shortcuts killed by bug
Screenshots aren’t simple any more
What has changed in the Mojave 10.14.3 Supplemental Update?
Why is kernel_task slowing my Mac down so much?
Having problems with USB 2.0 audio devices and a T2 Mac?
Quick Actions: 1 Introduction
Mojave Finder Accent and Highlight colours shouldn’t create a third colour
Solving problems with Mojave’s privacy protection
Finder can’t total file sizes correctly: how hard links confuse
How big is that folder: what happened to APFS Fast Directory Sizing?
Mojave System Preferences bug: Accent colours get confused
Mid-life mistakes
Mojave 10.14.3 and Security Updates for High Sierra and Sierra released
Mojave’s Legacy Software isn’t wrong, it’s just a bit slow
Mojave bug: Software Update progress is confusing
Mojave Finder bug: Copy progress icons frozen
Mojave bug: QuickLook thumbnails are too high
What has changed in the Mojave 10.14.3 update?
Serious Finder bug in Mojave 10.14.2 with broken aliases
How Mojave messes up printing
Disk Utility 18.0 (Mojave): Not exactly the truth
Missing types of files: the bug in UTIs
Why can’t I open that document? Troubleshooting LaunchServices
Why doesn’t that document’s icon display properly? Beyond QuickLook
Why doesn’t the Open File dialog show tagged folders?
How can Mojave let you open an app with signature errors?
Mojave happily runs apps with revoked signatures, and more
How thoroughly does Gatekeeper check existing apps?
Finder Aliases and Bookmarks: a summary
Copies, clones, links and aliases: summary in tables
Aliases, hard links, symlinks, and copies in Mojave’s APFS
Links and aliases beyond local files: advanced file system techniques
Should appearance mode change text views?
Where do Apple’s recent security updates leave macOS?
Why does macOS keep downloading the incompatible app list?
Housekeeping for speed and profit
Apple has released Mojave 10.14.2, security updates for High Sierra and Sierra, and a Gatekeeper update
What has changed in the Mojave 10.14.2 update?
Known bugs in macOS Mojave 10.14.2: an incomplete summary
When the App Store says to redownload all your apps
What has happened to the App Store in 10.14.2?
Which word processors support Rich Text in Dark Mode?
How to fix a Secure Note (or anything else) which won’t display in Dark Mode
Crippling Rich Text with Dark Mode
Rendering Rich Text in Dark Mode
TextEdit 1.14: Not the Dark Mode you’d expect
Mojave’s App Store is disconcerting (and how to do dates in software)
What are those huge files doing in Mojave’s Desktop Pictures?
Apple has released Mojave 10.14.1 update, and Security Updates for Sierra and High Sierra (updated)
Panics, Pegasus, and Recovery
What has changed in macOS Mojave 10.14.1?
Entitlements: how apps get back what they’ve given up
Is Mojave’s privacy protection still vulnerable in 10.14.1?
What does the TCC Compatibility database do?
Which EFI firmware should your Mac be using? (version 3)
What firmware version is that?
Versions in iCloud are still a mess, made worse by Handoff
Mojave’s many software updates
Busting 7 myths (lies) about Mojave
Are we ready to drop 32-bit code yet?
Mojave fixes QuickLook cache vulnerability
A fraught few hours: migrating to my new iMac Pro
How to install a printer in macOS Mojave
Checking Time Machine in Mojave (and High Sierra) using T2M2 1.4
AirPrint or you’re on your own: macOS printing changes
DelightEd edges forward towards full release – my free Rich Text editor with special Dark Mode features
macOS Mojave ships
The big upgrade
New and updated Apple Support Notes for Mojave
No Entry ⛔️: access controls in Mojave
Who put that in my Full Disk Access list? ssh and Mojave’s privacy protection
LockRattler 4.12 now supports TCC data on Mojave
Mojave may make Macs molasses
What to do when you can’t get an app the right privacy settings in Mojave
Watching Mojave’s privacy protection at work
How privacy protection is enforced through the Attribution Chain
Silent Mojave night: security settings files in macOS Mojave
Don’t believe System Information’s Legacy Software
How Time Machine makes backups
Launching apps in Mojave: how it has changed
Fusion Drives in APFS
Editing iCloud documents is far from seamless
Document versions are now preserved by iCloud, unreliably
Safari 12.0 can’t open a local Home page
Safari 12.0 bug in macOS Mojave: smearing in image previews
Booting the Mac: macOS 10.14 Mojave, and shutdown
Mojave glitches in SystHist and T2M2
Making documents look good in both appearance modes
Is a Dark Web achievable?
Dark Delight: getting the best from Dark Mode
Beyond mere appearance: Dark Mode, the semantics of colour, and text without print
Mojave’s Dictionary: where Light and Dark Modes collide
Make Mojave custom dictionaries work better
Bend your mind with Rich Text in Dark Mode: I’m DelightEd
Dark Mode bugs in Mojave
Which apps for Mojave?
Making Sense of Text: How good is Mojave’s linguistic support?
Making more of Mojave’s language support: Nalaprop 1.0b6
New version of Taccy extends its coverage of info about apps and privacy
Has that app been notarized, and what are the benefits to the user?
How Mojave changes the unified log
Safari 12: a good step forward, but mind the extensions
Preparing to upgrade to Mojave: a checklist
Should you upgrade to Mojave early?
Preparing to upgrade to Mojave: Scripting, commands, and development
Managing Mojave’s privacy protection: Privacy controls
Three updates: LockRattler, Bailiff, and Aquiliner
Helper tools, Mojave’s privacy, and High Sierra: intricate relationships
Security, privacy, and why XProtect won’t stop apps reading your email
Working with Mojave’s Privacy Protection
Accessibility, privacy, and fun with Automator
Privacy + Scripting = Problems
What can that app do? Entitlements, authorisation, and privacy
Growing the Apple crop – Mojave, privacy protection, and why problems are only surfacing now
Mojave’s privacy protection is complex and will crash innocent apps
Mojave’s privacy protection, command tools, and scripts
Mojave’s privacy protection: informing users
Apple warns us to prepare for Mojave
Apple’s Cloud of Unknowing – Support Notes and Back to My Mac
Back to My Mac dies with Mojave
Mojave’s privacy protection and command tools: a collision in which the user is the loser
Running apps with Mojave’s privacy protection
Welcome to macOS 10.14 Mojave public beta
Mojave’s privacy protection can be thoroughly confusing
Working around a bug recently introduced into Mojave: When Signposts point the wrong way
Quantum mechanics and Mojave – performance measurement, Signposts, and the log
Notarization: a big step forward for users and developers
How to stop Dark Mode becoming Chequer Mode
Marzipan isn’t icing on the cake
Precize 1.4 is notarized and fully ready for Mojave
SystHist 1.3 now details macOS 10.14 Mojave system updates
Blowhole version 5 now writes Signposts from the command line
Extended attribute editor xattred and iCloud toolkit Cirrus updated
New versions of Consolation 3, 32-bitCheck, and SystHist: mainly for Mojave
Reset/repair permissions using PermissionScanner
More app updates: Bailiff, DeepTools, PermissionScanner, SearchKey, and SearchKey Lite
Two command tools updated for Mojave: alisma and unormal
Consolation 3: log browser of choice for macOS 10.12-10.14
LockRattler 4.10 is a recommended update for all users
Is this the longest-running bug in macOS?
Can’t install the Mojave beta on an external drive? Try this
Compatibility of my apps with Mojave: details and advice
APFS comes to Fusion Drives, but there’s no sign of Time Machine 2
APFS will finally be supported on Fusion Drives – in macOS 10.14 Mojave
The unified log in macOS Mojave: Signposts and Instruments
Is Dark Mode overdesigned?
Consolation now supports Mojave’s Signposts in High Sierra and more
Is it time to buy an eGPU?
WWDC and macOS 10.14
Is Apple about to drop QuickTime, DVD and iWork support, and Compressor?
32-bitCheck 1.3 has an improved interface
Telling which apps are 32-bit: 32-bitCheck does it better

Older security news

How secure are your secure connections?
OS X El Capitan is probably due an important security fix
Losing their Sparkle: vulnerabilities in updaters
Scareware targeting OS X
How long would it take for Apple to break into your iPhone?
Should you use a PIN or a password to secure your iPhone?
MouseJack, Mac, and lessons
Troubles on the BitTorrents – watch out for ransomware
The adware has come
Sunday scare: had I been hit by ransomware?
Tools to calm your panic, and to protect
No fear of ransomware
SIP and ‘rootless’: El Cap going beyond permissions
New Mac malware can open a backdoor into your system
More Mac malware: OSX/Keydnap
Last week on my Mac: a new surge in malware?
Apple updates security and protection settings
What malware does XProtect you against?
Scanning your Macs for security problems with Nessus
Is OS X getting too overextended for its own security?
Banned browser extensions – how XProtect keeps adware etc. away
Checking signatures with WhatsYourSign
New Mac malware: Mac File Opener, or OSX.FakeFileOpener
Where the law fails to protect
Is crapware now the price of blocking tracking?
Another malicious version of Transmission
OS X Security Update 2016-001: it is really OS X 10.11.6.1
New OS X malware: Mokes A, a powerful backdoor
Sparklingly secure – checking old apps for the Sparkle vulnerability
An easy way to check your apps for the Sparkle vulnerability
Should you drop Dropbox?
On the eve of Sierra: macOS security is now central
OverSight: watching out for those watching you
Never download a Flash installer from anywhere except its official site
Shazam: it keeps listening even when turned off
Protecting Sierra: SIP and its vulnerability
TaskExplorer 1.5.0 – an essential update for every Mac user
Chain letter ransomware: how to hurt enemies
Making a better app to check your Mac’s security systems
Sierra 10.12.2 is an urgent update if you use FileVault
What to do when your account might have been compromised
Learning in a Flash? Education, Rasperry Pi, and the product that won’t die
What should you do when LockRattler returns a worrying error?
Last Year on my Mac: For better or worse? – review of 2016, looking forward to 2017
New Mac malware: Fruitfly, or OSX.Backdoor.Quimitchin
Last Week on my Mac: Silence is not golden – why silent security updates are bad (22 January 2017)
Apple pushes silent update to XProtect from XAgent and MacDownloader, but forgets Flash
Apple pushes silent update to XProtect against Findzip or Filecoder.E
Last Week on My Mac: Compromised, or conned? – security threats from hackers and the CIA, or maybe not
Thunderbolt devices and security: why the CIA mightn’t like 10.12.4
No normal user – why should we all be admin users? (16 April 2017)
LaunchAgents and LaunchDaemons: Closing the vulnerability

High Sierra – macOS 10.13

Apple has released Catalina 10.15.2 update and Security Updates for High Sierra and Mojave
Disk Utility can’t resize APFS disk images, but hdiutil can
Apple has released Mojave 10.14.1 update, and Security Updates for Sierra and High Sierra (updated)
Safari 12: a good step forward, but mind the extensions
Apple has released a second Supplemental Update for the MacBook Pro 2018 with Touch Bar
The mystery of the Supplemental Update for the 2018 MacBook Pro with Touch Bar
Should you try repairing permissions in High Sierra or later?
macOS High Sierra 10.13.6 update, Sierra and El Capitan Security Updates 2018-004 now available
What changed in the High Sierra 10.13.6 and Sierra 2018-004 updates?
What is installed on a 2018 MacBook Pro by the Supplemental Update?
In memoriam High Sierra
The log command in High Sierra 10.13.5: Signposts are already supported
Is this the longest-running bug in macOS?
What’s in the High Sierra 10.13.5 update?
When is an update?
Messages in iCloud comes to macOS, and is puzzling
macOS High Sierra 10.13. update, Sierra and El Capitan Security Updates 2018-003 now available
How High Sierra checks your EFI firmware
32-bitCheck 1.3 has an improved interface
Telling which apps are 32-bit: 32-bitCheck does it better
High Sierra’s new improved Help system diagrammed
How High Sierra has changed Help
APFS, File Reference URLs, inodes and Finder Syncs
Do you use email encryption at all? macOS 10.13.4 update may help
Apple adds a third fix in Security Update 2018-001 for High Sierra
macOS 10.13.4 Security Update 2018-001 and Safari 11.1 (updated)
macOS High Sierra 10.13.4, Sierra and El Cap Security Update 2018-002, and Safari 11.1 released (updated)
What’s in the High Sierra 10.13.4 update?
APFS encryption, ghost guest users, and odd UUIDs
Encryption passphrases are still left in logs: how Apple abuses its unified log
macOS High Sierra 10.13.4 fixes APFS encryption password disclosure bug
Insights through a vulnerability
macOS High Sierra 10.13.3 still leaks encryption passwords in plain text
Should Apple have warned users of a vulnerability?
How a New MacBook Pro borked an older iMac’s Bluetooth
Is APFS fully supported yet?
Another gaping security hole in High Sierra APFS disk encryption
High Sierra has changed Help, and broken HelpHelp
Do Sierra or High Sierra report incorrect free disk space?
Inside iCloud Drive: Optimize Storage, and its bugs
What is in the High Sierra 10.13.3 update?
Restoring order to EFI firmware
macOS updates now available for High Sierra (10.13.3), Sierra, and El Capitan (updated)
Has High Sierra been a mess? Comparing its updates with Sierra and El Capitan
The ‘app’ you can’t trash: how SIP is broken in High Sierra
iCloud Drive can strip (meta)data from your documents
Why are there problems backing up Photos Libraries?
Safari offline reader is rapidly becoming functionless
What’s really in the High Sierra 10.13.2 update
Sierra and El Capitan security updates and High Sierra 10.13.2 are now available
Apple has released Security Update 2017-001 for macOS High Sierra
High Sierra’s security update can block file sharing
Major vulnerability in High Sierra 10.13.1: anyone can gain elevated privileges
Getting to the root of High Sierra’s problems
Is High Sierra dual-bootable?
What’s really in the High Sierra 10.13.1 update
The extent of APFS’s problems
Taking Stock: Using APFS in High Sierra 10.13.1
A tale of two Disk Utilities: Sierra and High Sierra
Extended attributes in High Sierra 10.13.2
Getting going with HEIF/HEIC and HEVC image and movie formats
In search of the missing HEIF
Starting up in High Sierra 10.13.1: an initial log exploration
The unified log in High Sierra 10.13.1
Vanishing keychains
Has anyone got the time? How High Sierra has changed time synchronisation
Apple is nudging us to upgrade to flagging High Sierra
The first 2 weeks of High Sierra in 8 screenshots
The High Sierra 10.13 problem with security data files may now be fixed
Invisible security is no security
Can macOS 10.13 High Sierra write HEIF/HEIC image files?
Time Machine and APFS
High Sierra “Supplemental Update” now available (updated)
What the High Sierra Supplemental Update actually updates
High Sierra Supplemental Update can’t always update
How not to release a macOS upgrade
macOS High Sierra: Installation and Issues (updated)
First small High Sierra installer was wrong one
High Sierra upgrade: cautions and problems
High Sierra 10.13: supported disk formats and file systems
Making a Sierra – High Sierra dual-boot system, if you must
Silent High Sierra night: security settings files in macOS High Sierra
Apple’s new reality distortion field
Disk Utility: An ever-changing tool
How Disk Utility can crack High Sierra’s encrypted volumes (updated)
High Sierra: security files, internals and some bugs
When should you upgrade to High Sierra? – extensively revised with latest info from Apple
High Sierra release is flawed for many users
Preparing to upgrade to High Sierra
High Sierra: Should you reformat your startup disk now?
Last Week on My Mac: Deciding about High Sierra
High Sierra: APFS “not supported” on Fusion Drives
APFS and High Sierra in trouble
High Sierra: How to make a bootable installer
High Sierra automatically checks EFI firmware each week
HEVC and HEIF: new video and still image formats
High Sierra’s Small Print: installation, firmware updates, Content Caching, and more
High Sierra, Sierra’s dispatching bug, and iTunes 12.7
APFS: iOS 11 and High Sierra will fix normalisation problems
The return of the volume
What is ‘copy on write’, and how is it good?
Apple File System: what it means, what it brings
Why can’t I download and install macOS Sierra any more?
Forensic analysis for APFS volumes
Customising it all: global defaults in macOS Sierra and High Sierra

Sierra, macOS 10.12

If you’re still running Sierra, what do you do next?
Apple has released Mojave 10.14.1 update, and Security Updates for Sierra and High Sierra (updated)
macOS High Sierra 10.13.6 update, Sierra and El Capitan Security Updates 2018-004 now available
What changed in the High Sierra 10.13.6 and Sierra 2018-004 updates?
What’s new in Sierra Security Update 2018-003?
macOS High Sierra 10.13. update, Sierra and El Capitan Security Updates 2018-003 now available
macOS High Sierra 10.13.4, Sierra and El Cap Security Update 2018-002, and Safari 11.1 released (updated)
What’s in Sierra Security Update 2018-002?
How a New MacBook Pro borked an older iMac’s Bluetooth
Do Sierra or High Sierra report incorrect free disk space?
Inside iCloud Drive: Optimize Storage, and its bugs
Restoring order to EFI firmware
What is in the Sierra Security Update 2018-001?
macOS updates now available for High Sierra (10.13.3), Sierra, and El Capitan (updated)
Further spurious ‘security’ updates, and who is com.apple.mac.install?
How your Mac can download an old ‘security’ update by accident
Sierra and El Capitan security updates and High Sierra 10.13.2 are now available
Known bugs in macOS Sierra 10.12.6: an incomplete summary
A tale of two Disk Utilities: Sierra and High Sierra
macOS Sierra 10.12.6 update is now available
What has been updated in Sierra 10.12.6?
Why doesn’t Mail size fonts correctly?
When Recent Items vanish: a possible bug in Sierra 10.12.6?
How iCloud Drive can break Time Machine backups
Known bugs in macOS Sierra 10.12.5: an incomplete summary
macOS Sierra 10.12.5 update released (updated)
Reported problems in macOS Sierra: an incomplete list – badly designed features, third-party apps, etc.
Something odd you can’t fix? Sierra re-introduces repairing permissions
Reinstalling macOS changed with 10.12.4
Contacts in Sierra 10.12.5 can unexpectedly quit
Fetch a translator: Apple says it has ‘fixed’ the App Store app
Hasn’t macOS changed? How it doesn’t work like it used to
Sierra’s Time Machine irregular backup bug: prevention and treatment
The mysteries of sleep: what’s making my hard drive sleep?
Known bugs in macOS Sierra 10.12.4: an incomplete summary
What’s in the Sierra 10.12.4 update?
macOS Sierra 10.12.4 update now available, and El Cap and Yosemite security updates
macOS Sierra bug not fixed: Time Machine backups still stop working
New and existing bugs in the unified log in Sierra 10.12.4
Thunderbolt devices and security: why the CIA mightn’t like 10.12.4
macOS 10.12.3 changes Power Management settings again
(When) should you upgrade to macOS Sierra?
macOS Sierra: installation
When Sierra won’t install
macOS Sierra 10.12.3 update is now available
Known bugs in macOS Sierra 10.12.3: an incomplete summary
About This Mac: Storage revisited
How reliable is About This Mac’s Storage tab?
Known bugs in macOS Sierra 10.12.2: an incomplete summary
macOS Sierra 10.12.2 and security updates
Sierra 10.12.2 is an urgent update if you use FileVault
2017 in Macs – software and hardware expectations for the year, including info on Sierra updates and planning for macOS 10.13
macOS Sierra and Dropbox: have the problems resolved yet?
Couldn’t stay awake any longer: Energy Saver ignored
The App Store 2.2 is still quite broken
Sierra’s limping camel: the App Store, as dysfunctional as ever
Bugs in macOS Sierra Finder: window maximise doesn’t
File system funnies in Sierra: folders that aren’t, and altered aliases
All about the macOS Sierra 10.12.1 update
Sierra’s Bluetooth drivers are still fairly broken
Protecting Sierra: SIP and its vulnerability
Known bugs in macOS Sierra 10.12.1: an incomplete summary
Known bugs in macOS Sierra 10.12: an incomplete summary – bugs in Sierra rather than third-party app issues
Getting Office 2011 and old apps to work fully in Sierra
Do home-brew ‘fusion drives’ work with Sierra?
Entering Recovery Mode in macOS Sierra: you may need a wired keyboard
App Store chaos + Power Coma + Time Machine blackout = Friday
A Bluetooth storm on the Magic Trackpad 2
Adobe and Canon in the firing line
Sierra, wide colourspaces, and browser engines
Obscured by clouds: how Sierra breaks copy/move
Dropbox, Sierra, and iCloud: your data is at risk
Useful Apple support links for macOS Sierra
Preparing for macOS Sierra: what you need to do
Sparklingly secure – checking old apps for the Sparkle vulnerability
An easy way to check your apps for the Sparkle vulnerability
Behind the scenes: a summary of changes in macOS Sierra
Why Wide Colour? A guide to its gains
Should Macs start a Night Shift?

El Capitan, OS X 10.11

macOS High Sierra 10.13. update, Sierra and El Capitan Security Updates 2018-003 now available
Restoring order to EFI firmware
What is in the El Capitan Security Update 2018-001?
macOS Sierra 10.12.4 update now available, and El Cap and Yosemite security updates
Apple burns your boats: the vanishing of OS X
If you’re still running El Capitan, Apple doesn’t care about you
Getting El Capitan to run clean – using Console and guesswork to stop repeated service crashing
Q&A: El Capitan keeps beachballing
The Accessibility pane in El Capitan – a guided tour of what it has to offer all users
App crashed? it could be SIP – this new security feature in El Capitan can deliberately cause apps to crash
Fusion Drives: the best thing to happen to El Capitan
El Capitan and Yosemite: how CoreStorage changes hard drives and their care
How to check and repair your drives in El Capitan
How to defragment in El Capitan
Can’t install a kernel extension – in El Capitan
The Finder bug in column format is still not fixed in El Capitan
El Capitan: does it deal with network congestion at last?
El Capitan 10.11.2 – drag and drop bug
How to use San Francisco font in docs?
El Capitan: saving too much energy?
Remaining bugs in El Capitan 10.11.2: an incomplete summary
OS X 10.11.3 update (updated), and Security Update 2016-001
So what was all OS X 10.11.3 about? The real list of updates
Is your Mac a nightmare to update?
Inside the OS X blacklist: XProtect
Unintended consequences of SIP
Known bugs in El Capitan 10.11.3: an incomplete summary
Dyssomnia, or how did saving energy get so complex?
Energy Saver sleep settings solved
My network connection is not unplugged: a KEXT, a MAC, and an almost dead Mac
Apple brought my iMac to its knees, with a broken security update
Bug in El Capitan: Power management ignores setting to not sleep hard disks
Updating to El Capitan 10.11.4
The TLS mess in OS X El Capitan – SSL/TLS in 10.11.4
Holding down keys: accents or repeat?
An unwarranted login: things that go bump in the night
A complete freeze, restart, and lockout
Measuring colour: the ColorMunki’s missing software
Known bugs in El Capitan 10.11.4: an incomplete summary
How Apple’s Superdrive enforces obsolescence
Growing suspicions about El Capitan 10.11.4 and power management
SIP and ‘rootless’: El Cap going beyond permissions
SIP and rootless: protecting more than just system files
A panacea for El Capitan problems: applying the latest Combo updater
Silent night: El Capitan’s security settings files
How to uninstall complex software
How to restore your iTunes Music library after Apple Music
Some App Store apps don’t migrate properly
Setting up a new Mac: migrate or scratchbuild?
El Capitan 10.11.4 freezes are not confined to certain MacBook Pros
OS X El Capitan version 10.11.5 update
OS X Server 5.1.5 update
Significant security fixes in OS X 10.11.5 etc.
Apple’s vanishing release notes: arrogance or incompetence?
Lost in the log
Error numbers: the final hurdle – how to find out what they mean
Some good, some dangerous: Apple’s updates this year
Definitely not the cat: the sporadic freezes continue – 10.11.5 does not fix the problem, whatever it is
Known bugs in El Capitan 10.11.5: an incomplete summary
Reducing the frequency of freezes in El Capitan
Power Management in OS X
How to deal with keychain problems in macOS 10.11.2 and later
You cannot turn off Spotlight indexing on your Time Machine backup
How to uninstall OS X Server 5
Getting El Capitan to run – without freezing
El Capitan bug in Preview 8.1
Reading logs: shutdown and startup
Waking your Mac from sleep: log highlights (Sierra)
Reading logs: waking from sleep and backing up
Apple updates security and protection settings
El Capitan 10.11.6 security fixes, downloadable installers, and update notes
Known bugs in El Capitan 10.11.6: an incomplete summary
Last Week on my Mac: does 10.11.6 cut the mustard?
It’s summer, and El Capitan is still freezing
Fixing another X-Rite ColorMunki problem
Better blocks Air and Shockwave Player downloads, but not Flash Player
Preference lists, a running sore in OS X
Refining the Minimise Easter egg
Checking signatures with WhatsYourSign
Preference settings: where to find them in El Capitan
Has El Capitan changed kernel panics?
The app sandbox and how it protects
OS X Security Update 2016-001: it is really OS X 10.11.6.1
Last week on my Mac: Tracking and privacy, and the hidden OS X update
Has Apple prepared El Capitan for new MacBook Pros? – includes a full account of the changes in El Capitan Security Update 2016-001
That update just broke everything: what to do next
An easy way to check your apps for the Sparkle vulnerability

QuarkXPress 2016

Reconstituting a document from PDF using QuarkXPress 2016
‘Desk Top Publishing with QuarkXPress 2016’: the manual
QuarkXPress 2016, Storyspace/Tinderbox, and HTML5

Affinity Photo

Basic RAW to JPEG development
Adjusting distortion, and cropping – on a photo of a painting

Infra-red thermography on iOS

IR revolution: the FLIR One™ – introduction
So how well does the FLIR One™ IR camera work?
IR image of the day: Cows
IR image of the day: tree, cows, and the Greenhouse Effect
IR image of the day: village and downs
IR image of the day: coffee and chat
IR image of the day: a hot flue
IR image of the day: downland track
IR images of the day: Stately Home
IR image of the day: power lines
IR image of the day: cellular phone tower

Privacy and the UK Investigatory Powers Bill

The Browsing of Others – the rise of electronic surveillance
Remembrance is not just before Chistmas it is also about freedom and democracy, and their defence
After RIPA, IPA: the UK’s draft Investigatory Powers Bill
The draft Investigatory Powers Bill has a zero-day vulnerability
Securing your Internet connections: VPN and more
Bricking up windows on privacy – how the draft Bill is onto a loser before it starts
Rhetoric of the impossible: Paris and privacy
An open challenge on encryption: show us
Who will bear the brunt of backdoors in encryption?
Wanted: people of vision – Tim Cook, Apple, and breaking into iPhones
Locked iPhones, Apple, and changing law
Who protects your health data?
The protection of privacy in medical research and clinical audit and ResearchKit
Encryption and the law: will vendors hand us the keys?
Six stand against the UK’s Investigatory Powers Bill
US and UK agencies reveal how they will break encryption
Who remembers HyperCard, and a ban on encryption?
Where the law fails to protect
Should you drop Dropbox?
Has someone been reading your emails?
Living with the UK’s Investigatory Powers Act
Last Week on my Mac: a tragedy to freedom in two Acts
Controlling privacy in macOS Sierra
Using hibernation to secure a Mac with FileVault

Writing your own content-blocker for Safari 9 in El Capitan

1 – The basics
2 – Details
3 – But… Apple has changed the Safari developer scheme
4 – write, test, debug… (even in Yosemite)
5 – you’re on your own now, concluding hints and tips

 𝖶𝖠𝖳𝖢𝖧 (Apple Watch)

How the  𝖶𝖠𝖳𝖢𝖧 measures your heart rate
Expecting tips and florid gestures: tips for people-watching (tongue-in-cheek humour)
Watch power problem
Apple Watch power consumption
Watch software 1.0.1 – how to install the update
Watch: You’re not dead after all – is the heart rate monitor usable?
Apple needs a Chief Function Officer, not a Chief Design Officer – more about Watch limitations
Clothes at last: watchOS 2 unveiled
Security fixes in watchOS 2.0
Getting watchOS 2.0 to install
Apple Watch on borrowed time
Lost time: what to do when your Apple watch plays dead
Health, medical devices, and Apple

IoT and Smart device security

The need for standard IoT security testing
Smart and secure: choosing IoT devices which shouldn’t compromise your home 1 – principles
Smart and secure: choosing IoT devices which shouldn’t compromise your home 2 – operating systems and updates
Smart and secure: choosing IoT devices which shouldn’t compromise your home 3 – local and remote communications
Smart and secure: choosing IoT devices which shouldn’t compromise your home 4 – servers and apps
Smart and secure: choosing IoT devices which shouldn’t compromise your home 5 – smart universes surveyed
So would I buy or recommend a Nest or other smart device?
Five Catch-22s for IoT security
How CCTV cameras tried to break a large cloud service
IoT: not the cosy Nest that you expected
MouseJack, Mac, and lessons
Sweet talk and salutory reminders – how long will that service be supported for?

Servers with a smile – Apple’s server systems

1 – A/UX, 1988-1992
Apple, success, corporate market: words rarely seen in the same sentence

Going viral

Fame or doom – introduction to virality, its prediction and control
Observing events – what has been observed of intensely viral events
Making models – network, sigmoidal curve, and other models
If Twitter still seems all @#. to you… – a guide for beginners and experts alike

-14 – the things we did on Macs nearly 15 years ago, sheer nostalgia

Establishing a dial-up connection to your ISP
Maintaining Your Desktop
Manually Installing Part of Mac OS or an Extension
Installing Mac OS 9.1
An Application Tells Me That There Isn’t Enough Memory, what we did in Mac OS 8
The Genius of Mac: ResEdit and resources
RIP Demon: the Tenner a Month is finally spent

Q&A – hardware-related

Broken promise – a problem with a Promise Thunderbolt external RAID system
Yosemite printer support
Accessing your security cameras from a Mac
Spyder versus RAID – a clash of kernel extensions
How big for backups? – how big should a Time Machine backup drive be?
Dead Mac recovery – recovering files from a dead Mac
Frozen DVD – why does this DVD not play, but freeze?
Opaque optical drive – an optical drive stops working
Keyboard outage – when a keyboard dies after a power outage
Accessing Iomega Zip drives
Flashing Power light when starting an old Mac Pro up
FireWire, eSATA, or what?
Encrypt and destroy – problems with an encrypted USB memory stick
USB drawing too much power
The limits of memory – how much memory can you install in a Mac?
Wobbly drive – the importance of hard disks remaining stable
Breaking RAID
Dropping Internet connection and LCP
Router user name – what do you use when a router asks for your user name?
Fitting a pint drive into a quart Mac Pro – 2.5″ drive in Mac Pro
Wayback Mac LC 475 – getting a classic Mac working again
Dirty iMac – cleaning the display
iMac on the blink – is the graphics card dying?
FireWire draining power
Optimising additional memory
Restoring firmware after interrupted firmware update
Leaping mouse
No Delete key
Dead shared photo drive
How much free space on a hard disk?
Add memory, get panics
Replacing an ‘Angle-poise’ iMac
Disposing of a dead hard drive
Target optical drives
Using a 27″ iMac display
Dusting down – cleaning a dusty Mac
CD-R burn errors
Wild Trackpad – when your pointer goes crazy
Which workgroup file server?
Have I got a firewall?
Relocating to the country – broadband for the virtual office
Broken Boot Camp drive
Down the hub – sleep, USB hubs, and reconnection
All in a day? – why does it take a day to transfer files over a local network?
Hot Macs – keeping your computers cool
Self-drive – self-ejecting USB external drives
Thunderbolt for video capture
Flash failing memory? – can Flash break memory?
Connecting an old LCD display
New Broadband, no connection
Removable storage still in use
Replacing a MacBook hard drive
Drifting time – NTP problems
Mac CPU upgrades
Accessing the hard drive in a broken iMac
Can I trust modern external hard drives?
Lights on, no disk mounting
Either port in a storm – getting the most out of two Ethernet ports
Sharing USB printer
Coping with ADC on a Cinema Display
Remote control over the optical drive
Noisy conversion from cassette tape
How to stop USB memory stick use
Bitmap error and a doomed disk?
What to do with drives from an old Mac Pro
Stuck CD
Vanishing printer
Mixing audio inputs
Off-colour iMac display
Projection connection
Splendid isolation – can a Mac run without an Internet connection?
Finding a break in an Ethernet cable
Apple’s first laptop
Quiet in class – silencing Macs
Dead battery – how to stop a MacBook battery from dying
mini-CDs in slot-loading optical drives
Replacement logic board
Retina iMac
Drive failed to wake from sleep
Graphics problem after repair
Speaker buzz from audio interface
Scanning slides
Adobe CC on the road – choosing a refurb Mac for mobile use of Adobe CC
Who makes an iMac’s components?
Testing a Mac Pro
Mac mini as file server
Failed new hard disk?
Connecting wireless peripherals
Is this the right UPS?
Getting an old Canon Pixma printer to work
USB 2/3 autoconfigure confusion
New router freezes my old Mac
Faster memory upgrade?
Replacement router for BT Infinity
MiFi keeps dumping a Mac
Adjusting gamma for better projection display – dealing with pale output from a video projector
Swollen battery – in a MacBook
Extending WiFi range
Cable clutter
Printer picky on ports – a MacBook Pro which does strange things when a printer is connected to one USB port
Noisy fans in an iMac
Changing Time Capsules
Mac mini Server RAID
Converting Mini DisplayPort output
Print heads dead
Disadvantages of a MacBook Pro
Scanning photographic slides using a slide copier
Still needing a PowerPC
At the speed of a Thunderbolt – which is the fastest of them all?
Disk not ejected properly
A hot iMac
Dead optical drive
Xbox to iMac display
That hard disk is no more – it has joined the Norwegian Blue Parrot
Can I Skype?
Can I burn a CD-RW disk as an audio CD?
No manuals, and a worrying optical drive
Greyed out external drive – in Disk Utility
Buying a pair of hard drives
MacBook Pro display defects
Injured iPad
Bluetooth headphones
Replacing an Xserve
Starting beeps
Flying cursors
Deepest sleep – when sleep becomes shutdown
Connecting an iMac to HD TV
Adding WiFi to an old Mac Pro
I’d love the definition of a Retina display, but isn’t it slow?

Q&A – software

Why does (did) my update to Yosemite appear to hang?
Words of old – opening old Word documents
Why is my preference file corrupt?
How can I improve the PageRank of my website to get more visitors?
Why are my logs filling with these messages?
Safari crashes when opening
Why do I look like a boiled lobster on this blog? – the perils of images on web pages
Text file lockout – I cannot edit and save a text file
Please may I Trash this? – permissions problems with Trash
Why does this message crash Mail? – deleting a troublesome message
Help me access my PNG movies – when a file format is no longer supported in QuickLook
Why are my photos distorted? – stopping Mail from messing with embedded images
Who is using my address for spam? – dealing with email spoofing
Keeper not for keeps – removing MacKeeper
Will Photos import my iPhoto Library? – problems with Photos already
Hanging Contacts – how Contacts broke because of a Finder preference file problem
Mail’s Preferences won’t work – how to get preference settings to stick
How can I stop Mail embedding PDFs?
Which way for malware protection? – does removing Java reduce risk?
A standalone Mac Pro – networking problems
Who owns my old backups? – problems with permissions after a restore
Not all it Themes – missing Themes in iPhoto, and Themes in Photos
Blue dots of dictation – Enhancing speech-to-text
Migration route – setting up a new Mac from your old one
Locking a folder – how can you password-protect a folder?
Custom Contacts – a more sophisticated address book
Backing up iPhoto and Photos Libraries
Time Machine error 28 – what it means and how to fix it
A dictionary of placenames
Disabled key
Pointless purges – managing memory and performance
Lost keychain
Spelling colour correctly – in Pages old and new
Trashing a backup
Invalid volume/directory counts – reported by Disk Utility
Folder timestamps and journalling
Locking keychain – which keeps locking itself again
Batch printing to PDF
Unicode in spades – how to use symbols for suits easily
Fitting a pint drive into a quart Mac Pro – and spreading Time Machine backups over multiple volumes
Mayhem in Mission Control
49 MB of .msg files – how to view them
Scammed or safe? – what to do when you visit a hijacked website
Mean on mail – do you need your own mail server?
Nailing down the Desktop – how to stop users changing their Desktop pictures
Insecure Startup Item
Opening PageMaker documents
Security of encryption
Sanskrit Pages – font support for unusual Unicode characters
Unreadable Pages – how to open Pages docs which the app cannot
iTunes play once and stop
Archiving mail
Pages + Finale = Opera
Running specialist Windows apps
Finder grown old – the weirdest bug ever
Scripting Mail to send Out of Office responses
Managing colour profiles
Scanning paint colour charts
Turning Spotlight off
Permission for migration
Crashing Dock
Changing Finder’s sort order
Using Google Advanced Search
Compressing a huge PDF
Tuning Desktop appearance
Flawed room service – problems with hotel ‘free’ WiFi
Translation aids for OS X
Support for Celtic and other languages in OS X
Remote sharing and IP addresses
Storing libraries off the boot disk
Strip for speed? – accelerating OS X for movie editing
Deleting without Trash
Malmigration – when iTunes libraries fail to make it across
Musical quiz – tools to produce one using a Mac
Flash back to the past – opening old Macromedia Director files
Finder queries – when Finder window tools become question marks
Spinning beachballs
Opening old iMovie docs
Messages when repairing permissions
BSc (Mac) – finding which universities support Mac training
Pregnant pause when printing
Tracking location and mobile data costs
Replacing a broken Mail app
Lost addresses in Mail after migration
WordPress or Dreamweaver?
Which writing tool?
Is Apple Lossless audio compression perfect?
How should I deal with DNS failures?
Missing network connection
Which font to help the dyslexic?
Should I trust this email?
Apps quit as soon as they open
Ghost in the Time Machine
Missed travel connections – DHCP problems in hotel WiFi
Not a sudoer – can a non-admin user account use sudo to gain root privileges?
Thinning a Time Machine backup
Fragmented old PDF – problems copying from an old PDF
Step back to Classic – problems retrieving files from Classic
The neat way to create aliases
No system memory
Which text editor for OS X configuration files?
Column maths in Word
Spinning beachballs and a slow system
Permitting messages with an empty subject
‘Custom access’ to old folders
More spinning beachballs
EXIF missing data
Faster browsing with your own DNS?
Revealing passwords – how can I show my passwords instead of seeing blobs?
What incoming connections? – why are my apps apparently requiring incoming Internet connections?
Finding a snooper
Samba’s named streams
Tidying Documents – how to tidy your Documents folder
Terminal command undo
Phantom PC server
Soundtrack from DVD
Broken Mac mini Server RAID
Accessing a studio file server
Tweaking Help windows
Sudo outside Terminal
Changing Time Machine – the backup volume has changed name
Time Machine or file server backup?
Who SUIDs?
Unwanted Ø – stopping the text /O being expanded to Ø
Time Machine and NAS
iMovie on iOS and OS X
Controlling cookies
Word smart cut and paste
No outgoing mail
Contacts stopped syncing
Is iCloud a one-way trip?
Mail stopped altogether with Yosemite
Entering Keychain password on startup
Zipping up a folder
iBooks library
Surf and zoom – inadvertent zooming when browsing
Migration to a new iPad
Interface glitches after upgrade
Transparent Dock
Blocking popups in OS X
Muddled Mail
Memory in the yellow, issues in the logs
MacKeeper popups keep coming
iTunes muted
Time Machine out of control?
Checking QuickLook support
Problems accessing website
Too Remote Mouse
Putting an iPad’s address book into FileMaker Pro
Broken words in InDesign
Handing control to Google – should you let Google access your Mac to update apps?
Update breaks single website
Vanishing disk space
How to convert sRGB to RGB?
Noisy Mail
Mixed Arabic and Roman script
Two Internet connections, two DHCP servers – and one big mess!
Ghost disk images
Evernote, or Nevernote?
BBC iPlayer outside the UK
Files with strange names
Teasmade iMac – which keeps starting up of its own accord
Who enabled guest access?
Copying images from Photos
Cursing the invisible cursor – how to make your cursor more visible
How can I stop Spotlight from searching my SQL files?
Opening .doc docs
Hosting major project in iPhoto
Reading colour values
Cleaning cleaners – getting rid of unwanted utilities
Using OS X Server to conserve bandwidth
Mail downloading but no mail
Portrait problems in iBooks Author
TextEdit’s Find in selected text, lost
Screen flasher
Excel file access error
Keeping back issues of electronic magazines
NASty errors – problems trashing folders on a NAS
Bonjour name in use
Mail offers wrong attachment, an enigma – still unsolved
Poor connection to iCloud
Migrating from a PC to an iPhone
3D video support
Putting your libraries on a NAS
Looking for an old phone number
Dropbox for syncing bookmarks
What are lockfiles?
Solving network lockout
Phantom email from iCloud
Permissions when copying in Target mode
Little Snitch v malware
Restoring windows
Creating structured email messages
Spotlight indexing Time Machine backups
Why hide the Home Library folder?
Running old versions of apps
Does an air gap protect from malware?
Signature attached – getting a graphic signature right
MailMail – Exchange Server duplicating messages
Cleaning up an old iMac – repartitioning, installing fresh El Capitan
How to use San Francisco font in docs?
Keys out of order – error when using Disk Utility
Can’t find the server – browser error
Stuck App Store installation
Single user in Parallels – how to allow others to access your Parallels Virtual Machines
App Store apps damaged
Permissions not repairable – problems in El Capitan
Cable modem activity – why are those lights always flashing?
Using the same IP address – is a sure way to suffer network problems
Which is the best compression app?
DNS on the road
Making digital images look like film
Grey messages and tiny type – in Mail
Lost preferences – where can I find them now?
Can’t install a kernel extension – in El Capitan
Windows is a pale comparison – adjusting Boot Camp brightness
Missing devices from Finder
Moving on from Entourage – upgrading to El Capitan and migrating from Entourage
Making links in PDF files
Sending an audio birthday message
Hot link to wrong mail client
Unhiding your Home Library folder
Setting date and time
Opening new windows where you want them
iCloud caps – coping with bandwidth limits while using iCloud
Brightness controls on a MacBook Air
Slow Office startup
Stuttering radio playback
iTunes with a mind of its own
Removing duplicate tracks in iTunes
El Capitan keeps beachballing
Is printing from Pages pants?
Weird characters in a newsletter
Audible alerts in Outlook
Files opened in the wrong app
Mail duplicated
Google Earth in every Finder window
Microsoft Office font confusion
Can I use one MagSafe adaptor for both my MacBook Pro and Air?
Cannot connect to Mac for file sharing – tripped up by SMB
Which app to edit a logo?
How to defragment in El Capitan

Technical topics – hardware

Startup and shutdown key combinations
Core Blimey! The power in your processor – CPUs, GPUs, cores, and benchmarking
Thanks for the Memory
HD or SSD?
Checking your drives with DriveDx
The Return of RAID – RAID drives
Video Out: Display connections
Choosing and Using Peripheral Buses – USB, Thunderbolt, et al.
Small Networks Without Big Headaches – setting up and diagnosing a small network
VR: A bit of grit in the eye – delays in the arrival of consumer VR
Partitioning a NAS – can you partition a WD My Cloud drive?
Computer Ebola – the threat of BadUSB
Any Port in a Firewall – port knocking and other means of entry
Hard decisions – criteria for selecting hard drives
Asleep on the job – problems with sleep and wakening
Don’t die in the bath: mains power and mortality
Power you can trust – UPS selection and use
Macs, hum, and unintended aerials
Magsafe compatibility – which power supplies can be used with which laptops?
Variable voltage: how 12 V batteries are not
Variable voltage: a lighter alternative
Magic Trackpad 2 requires Bluetooth 4.0 (LE)
Thunderbolt: not quite all daisies
Made it: running on a new iMac
Lead-free graphics cards: a problem?
Making the most of your Magic Trackpad 2
Digging deeper into Force Touch and the Magic Trackpad 2
Fusion Drives: the best thing to happen to El Capitan
El Capitan and Yosemite: how CoreStorage changes hard drives and their care
Apple’s 27″ Retina 5K iMac display: small quirks, gorgeous image
Disappearing disk space
Dyssomnia, or how did saving energy get so complex?
Energy Saver sleep settings solved
Measuring colour: the ColorMunki’s missing software
How Apple’s Superdrive enforces obsolescence
Keeping cool: how to stop your Mac from overheating
Need an external optical drive? If only life was more simple
Tucking it away safely: archival media
Colour calibrated displays and ambient light
Drive safely: testing hard drives the hard way
How long will the SSD (in my Fusion Drive) last?
Monitoring SSD wear and ageing
Firmware passwords: a mixed blessing
Samsung’s exploding phones are a timely reminder over USB-C
How does your Thunderbolt port go?
Which hard drive? 160,000 years experience analysed

Technical topics – software

Service with a Smile – advanced troubleshooting of services and the startup process
Persistence: EFI, SMC and NVRAM (formerly PRAM)
Nice or Nasty? – thread priorities and multitasking
Name that disk: what to call your storage
Everything in its place – OS X standard folder structure
.why .the .extensions? Quirks in the naming of files and folders
Aliases and links: understanding their differences
What happens when you run an app?
The app sandbox and how it protects
Events, handlers, and focus: how OS X apps work
Under The Spotlight: local search
Disk Utility and diskutil – and disk images
Installers and updates
Backing Up, Time Machine, and the Cloud – Managing risks for the Individual
Time Machine backups for iCloud
Backing up your laptop: Time Machine local snapshots
Making best use of your backups
Keychain Cops – getting the most out of your keychain
How to deal with keychain problems in macOS 10.11.2 and later
What’s in a Name? Mac, MAC, and IP
Discovering services and resolving addresses – DNS and discoveryd
Time, gentlemen, please – the Network Time Protocol in OS X
Beyond Unicode – lightweight fonts for language documentation
Inside Dictionaries and Keyboards
XML – Lingua Franca or Lost Cause?
Data compression – lossy and non-lossy
Movie Formats and Conversion
Printing without tears
Gatekeeper – its defence against malware
Will I get wet? Weather forecasting on OS X and iOS
Location, location, location – GPS and geotagging
With Complements – colour complements and harmony
Parsing Picasso’s Pastels – measuring colour patches
Open Government UK
Which advertising companies are tracking your online activity?
Any Port in a Firewall – port knocking and other means of entry
Obscured by clouds: how to lose your audiobooks – info on restoring previous purchases from the iTunes Store
Thank and be RESTful – how Twitter, Facebook, and many other apps work
Tackling ACLs and Dr Strangelove
High quality hash – using hash keys for one-way anonymisation
Zipf’s Law: deep and meaningful?
Extracting content from MarsEdit
Time and tide wait for no Mac – tidal information
Let me in: authentication and authorisation
Crash crash – Crash Reporter and ReportCrash, the crash handlers
Who was first: 1 robust timestamping of documents
Who was first: 2 using OriginStamp via its RESTful interface
Regular Expressions – power searching and more
Documents and versioning
How to uninstall an app
How to use ACLs to fine tune access permissions – with TinkerTool System or MacPilot
How to rename batches of files
How to use AppleScript to automate image processing
How to set up a folder action to automate document processing
Polishing your own apps – using icons and Xcode
Controlling the airwaves: wireless network security
Name that Folder/File – limits and issues in the naming of files and folders
Which password? – app-specific passwords when using two-step verification
How to unscramble a downloaded file
Sudden disconnection of PDF files: an error deconstructed – how OS X maps documents to apps, and more
Unwelcome attention: poisoned links and spam comments
OS X Server 5: reverse proxy changes
How to use Parental Controls to protect your children
Q&A: Using OS X Server to conserve bandwidth – delivering updates locally using OS X Server
Quick on the Draw – Vector Graphics
Compressing the information in an image – how JPEG compression works, and how to get the best out of it
Check your extensions with KextViewr
Securing your Internet connections: VPN and more
Just Take This Down: Optical Character Recognition – including non-English languages
App crashed? it could be SIP – this new security feature in El Capitan can deliberately cause apps to crash
Inside the OS X blacklist: XProtect
Personal Preference – preferences from resources to XML
App Store enigma
Human aspects of security: what the software vendors don’t always tell you
Search me! Searching the Internet more effectively
Whatever happened to QuickTime?
Touchy feely: haptic input
Creating a Chinese font: a long passion
Which password? When to enter your user password, and when to use your Apple ID
El Capitan: does it deal with network congestion at last?
Help – I administer our OS X Server, and have locked myself out
Share and share alike: sharing docs from your Mac
Synchronise, clone, backup: rsync, ditto, and their derivatives
The Font of All Knowledge – fonts for the non-specialist user
El Capitan: saving too much energy?
Don’t get cached out: the perils of cached data
Holding down keys: accents or repeat?
EXIF editing: the high overhead to image scanning
SIP and ‘rootless’: El Cap going beyond permissions
SIP and rootless: protecting more than just system files
Silent night: El Capitan’s security settings files
How to uninstall complex software
How to restore your iTunes Music library after Apple Music
Some App Store apps don’t migrate properly
The 501 orphan problem: why you shouldn’t delete the primary admin user
Error numbers: the final hurdle – how to find out what they mean
Adding and removing user accounts in OS X
More mapstakes
Power Management in OS X
Jack of all tasks: launchd, and how to run periodic tasks
You cannot turn off Spotlight indexing on your Time Machine backup
How to uninstall OS X Server 5
Why Wide Colour? A guide to its gains
Making best use of your backups
Blocked kernel extensions – analysis of those blocked by XProtect

Opinion

Gathering winds of change – the future of Macs and OS X
A C of Insecurity – vulnerabilities and open source
The joy of TeX – old yet young: Mac, Unix, and TeX
The Internet of Threats – how the Internet of Things has its downside
Getting resilient – how we need better planning to help in disruption and disaster
The Cost of Not Restarting – a cautionary tale
Rollout and rollover: when the App Store needs a refit
Plaster in Paris – who wants to be organised?
Has The App Lost Its Value? – the changing approach to upgrades
Wrestling with Windows – touchscreen interfaces
Stick a fork in WebKit, it’s Undone – trouble among browsers
New tablets for old – reading the oldest language on an iPad
Clonovation – corporate copyright litigation
Over-engineering – the complexities of Xcode
C Double Sharp – the new Swift programming language
Every Cloud Has A Silver Lining – improving integration of Server and iCloud
Is there an app for that? – navigating the App Store
TopShot Top Marks – a new printer-scanner
No Progress – progress bars don’t work properly
Caps, KERS, and Burning Boeings – is enough being done to address electrical failures causing fires?
Words can ever hurt me – language for the social media
The End is Nigh? – are books and desktop computers doomed, or does the future depend on print-on-demand publishing?
And for Apple’s Next Trick… – the iPad and its competitors, and now the Watch
Will we Go or Rust? – new programming languages, old problems
Wishes almost granted – how electronic publishing tools differ from those of the desktop publishing revolution
Mirror, mirror, on the web, who was the most frustrated of them all? – assembling an alternative to Adobe CC
Scammed and scarred: a cautionary tale – when phishing succeeds, who cares?
Still no Year of the Geek – Apple needs to cater better for the high-end creatives
Enthralled by Steve – an obituary of sorts for Steve Jobs
An Ill Wind? – bad product naming and problematic products
My 400th birthday – a look back at Mac evolution
Fashion Victims – cases and other fashion requisites
Tell Mac speak human – programming languages are still unlike natural language
Tic or treat – lack of co-ordination in Apple’s software products
Expecting tips and florid gestures: tips for people-watching (tongue-in-cheek humour)
Remembrance of Camerons past – rural broadband and depopulation
Click on OK – the click count as a measure of interface efficiency
Sex, files, and Disk Utility – ZFS, the file system
A Fair Copse – quality control of online content
Patent Nonsense – patent law
A D Too Far – 3D TV and displays
VR: A bit of grit in the eye – delays in the arrival of consumer VR
γνῶθι σεαυτόν (gnothi seauton, Know thyself) – human limitations
A Fallen Tree – Microsoft Outlook as a mail client
Single Point of Failure – reliability of Java
Thinking outside the books – no change in electronic publishing
Making my PowerPoint – how to die in front of an audience
Crash trash – the computer term crash
eMail without tears or fears
With Complements – colour complements and harmony
The Browsing of Others – the rise of electronic surveillance
Hats off to email – how email needs to be improved
Apple needs a Chief Function Officer, not a Chief Design Officer
Learning from the Masters – using the apps of your choice
No-one at Home – health and safety, homeworking, and low-tech health services
Parsing Picasso’s Pastels – measuring colour patches
Blogs in Flames – the collapse of JournalSpace.com
Human Interface Perspective – 3D interfaces
The Good Life – small really is beautiful
Popular vote or social engineering
The Great Mail Robbery – lack of regulation of email service quality
Why faster is seldom quicker
Getting it Right – errors, mistakes, and blame
Result Not Defined – improvements to Time Machine
Limited access – has computing transformed the world as much as the railways did?
Obscured by clouds: how to lose your audiobooks
Psychopathia Internetualis – web defacement
Knowledge to rely on? – when Wikipedia went dark
Is this important? – should OS X allow for the importance of files, etc.?
The Samuel Johnson Code – spelling and Wars of Independence
Heroic Age of the Internet – archiving Internet content
Bully Off – dealing with online bullying
Free speech and common sense – Delfi AS v Estonia – rights of free speech and responsibilities
WiFi Witchfinders – is it safe?
Steganographic Slips – how Word can release removed content
Small but perfectly formed – anticipating the iPhone and iPad
Amazon rewards pageturners in new royalties system – how to change literature
Ellipsical Orbits – Lisp and language history
Not Plane Sailing – trying to do photogrammetry on a Mac
Open Government – and open standards
Janus and Mars – what did and did not happen in 2007
Good Lords! How UK government has ignored online crime
Primum non nocere – utilities and protection that do more harm than good
Lifelong learning – The Open University, iTunes U, MOOCs, and more
NIH – a common but sinister disease
What’s in a Name? – the pain of switching Internet service
Bring out your bugs – should vendors open their bug tracking list?
Nice or Nasty? – thread priorities and multitasking
Hot Stuff – CPU cooling as a limit to performance
Mark my words – Flesch-Kincaid reading grades and Word
Timing shots, a software obituary
Have you ever been had? – inadvertently installing a cleaning utility
Broken Clouds, or why you won’t find my embarrassing photos
Movable feasts – calendar maths, Mathematica, and more
High quality hash – using hash keys for one-way anonymisation
Licensed to mow: paying to use CODECs
Purposeful portables – from the Cambridge Z88 to the Dana, all now dead and gone
Adobe Tax Avoidance: a CC alternative for the prosumer
Photo editing: why was it not sans Serif?
Apple making 92% of phone profits? Monopoly or misleading?
Mystery Kilo – the changing size of the kilobyte
Time and tide wait for no Mac – tidal information and copyright
Why I will dance on Flash’s grave
RIP AppleTalk
Copyright, common sense, and copying
Asleep on the job – problems with sleep and wakening
Comic tech – technology and graphic novels, etc.
A version too far – need for transparency in the new versioning system
Getting copyright right
Serious maths for silly prices
Grandsons get complicated: how giving an iPad turned tricky
Key ppointsss – when wireless is hopeless
Progress barred from Windows 10?
This CARROT doesn’t taste right – problems with CARROT Weather
File menu, Fingerprint command – document traceability and leaks
Arts in Hard Times
The politics of encryption, and the ignorance of politics
A lesson in control systems from the online social lab
Rip Mac Winkle – a simple upgrade, what could go wrong?
Mac mini Air: downsizing the modular
Google OnHub: could this be a WiFi spy?
Ashley Madison, the press and data protection
Privacy policies: how they do not protect us
Data aggregation: how it can break privacy
Privacy should be determined by the point of delivery
Childhood secrets – reading and radio
Snow Lessons – preparing for winter
The End of the World is IT – climate change and computing
Sun struck – the sun, risks and consequences of geomagnetic storms
Let’s Play Unintended Consequences – putting some humour into El Capitan
While you were out – deliveries, and non-deliveries
Improving the image of computer security
Which password? – app-specific passwords when using two-step verification
Ad-blockers and vested interests
How XcodeGhost changes things
The poetry within the Internet: Bad Horse
Wanted: Burglar alarm for OS X – NIDS or not?
Cloudburst: iCloud problems with iOS 9
DivX now brings its own adware
The Finder bug in column format is still not fixed in El Capitan
Making subjective reviews more objective
The customer still is king
Apple Watch on borrowed time
Who to believe on ‘ad-blockers’?
Sporfware Update
Is there anyone here who hacks cars?
Too much of a good thing – upgrades and updates
Doing it in style: crafting your way past technology
A Boxing Match – packaging as a corporate forecasting tool
History needs to be more complete, and better integrated
It shouldn’t happen to an App Store
Remembrance is not just before Chistmas it is also about freedom and democracy, and their defence
A sign of the times: 451 Unavailable for Legal Reasons
Bricking up windows on privacy – how the draft Bill is onto a loser before it starts
Competitors by proxy
How Apple’s security is becoming a disservice to users
Cambridge Computer’s Z88: the iPad Pro of 1987
Rhetoric of the impossible: Paris and privacy
App Store enigma
Mac App Store: still broken despite Apple’s fix
Unexpected cucumbers and online services
Locked on the lochs – satnav and its shortcomings
Drive failed, so what’s important?
Give us a break: keep Unicode clean – say no to the commercialisation of emoji and Unicode
Emojis: cute but deeply flawed
Never the Twain Shall Meet? OS X and iOS
Don’t ditch the index(es)
The demise and fall of the printed manual
Precisely not: why we have become too precise for our own good
Apple, success, corporate market: words rarely seen in the same sentence
Welcome to MacFormat
Lead-free graphics cards: a problem?
Another Year of the Mighty Falling – a look back at 2012 and prospects for 2016
Apple and my dead iMac 27″
The forecast for 2016 – an irreverent look at the coming year
Weighing up winter, and real healthcare computing
Has the Edinburgh University Press invented the hardback eBook?
Any bets on “the year of VR”?
Wikipedia: happy birthday!
What needs to be done in OS X 10.12?
Is crowdfunding the way ahead?
Apple, Secret Squirrels, and updates
Taxing good sense: breaking old habits in forms
A billion active devices – is Apple doomed (again)?
RIP The Land Rover (Defender) – and how much longer for the Mac?
Is brevity the soul of the abrupt, rude, and offensive? Richard Dawkins’ tweets
BT and the largest UK Internet failure?
TextSoap, App Store departure, and the update void
Unintended consequences of SIP
Why rolling updates are bad practice
Wanted: people of vision – Tim Cook, Apple, and breaking into iPhones
The online catalogue raisonné: a fundamental tool in art
Our Macs are steadily going NUM – that’s not user-maintainable
Online crime in the south east of England
Look out, the robots are coming!
The ethics of pushed updates
Still scratching the surface: on the transience of computer ‘culture’
Apple News news – blogs are approved for inclusion in News
QuarkXPress 2016 due “in the second quarter”: pre-release deals now on offer
Virtual books, virtual ownership, real profits
Which came last: Flash or the BBC?
The Mess in Music – problems with the Music Library
The Story Story – narrative, VR, and computers
Branding the Mac operating system: why macOS?
Sweet talk and salutory reminders – how long will that service be supported for?
Propagating DRM in the web
Technology is not turning the young into puddings
The trashed server hoax
Endtime for QuickTime?
How Apple’s Superdrive enforces obsolescence
Libraries have not been replaced by the internet
Why we should worry about the BBC and bitcoin
Out of the mouths of politicians: how will the BBC do that, then? – the licensing of BBC’s iPlayer
Colour calibrated displays and ambient light
Apple’s vanishing release notes: arrogance or incompetence?
Lost in the log
Some good, some dangerous: Apple’s updates this year
First reclaim society, then the internet – should we be trying to ‘Reclaim the Internet’?
The difficulty of proving who you are (online)
WWDC: Fix the existing before launching the new
How ranking may be polarising society
RIP APLX, and welcome Dyalog APL for OS X
Facebook’s bazaar interface: not for humans
Don’t buy – sell: how Apple augments revenue
How well did I forecast? – New Year’s Day predictions revisited
Someone is likely to be profiting from your public domain content
Industrial copyright abuse
Recognition by eponym, and maths on the meter
Health, medical devices, and Apple
AI and robots: a better understanding
RIP Demon: the Tenner a Month is finally spent
Desperate measures: the new campaign to demetricate
Apple Event on 27 October: time for a new Mac?
Why Apple is not about to release ARM-powered Macs
New products for new species
It’s about the interface, not the technology
App Store chaos + Power Coma + Time Machine blackout = Friday
Chimes past: a swan song for the startup chime
Watch the other hand: Apple’s evolving input devices
Goodbye AppleScript
Losing control of your blog: changes to WordPress.com administration
Apple’s Christmas Message: the desktop Mac is not dead, far from it
Learning in a Flash? Education, Rasperry Pi, and the product that won’t die
2017 in Macs – software and hardware expectations for the year, including info on Sierra updates and planning for macOS 10.13
You read it here first: how successful was my forecast for last year?
Last Week on my Mac: Setapp and software rental