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Category Archive: Technology

LaunchAgents and LaunchDaemons: Closing the vulnerability

OS X and macOS make it very easy for malware to make itself persistent. It’s time for High Sierra to improve protection of the user.

June 24, 2017 Macs, Technology

What is ‘copy on write’, and how is it good?

One of the major ‘new’ features in the new file system coming in High Sierra. But how does it help the Mac user?

June 23, 2017 Macs, Technology

Mobile Time Machine and its transformation in High Sierra

On laptops, Time Machine’s ‘local snapshots’ have been of limited use. In High Sierra, this all changes, and for laptop users should be a strong reason for upgrading.

June 22, 2017 Macs, Technology

Apple has pushed a silent update to Gatekeeper’s data

Apple has just pushed a silent update to the Gatekeeper configuration data for Sierra and El Capitan. This […]

June 21, 2017 Macs, Technology

Fixing problems with preference files

Having problems with preference files? Here’s a step by step guide to solving them, including a new version of PermissionScanner.

June 21, 2017 Macs, Technology

More fun scripting in Swift with Xcode: files and deep traversal

A classic scripting task: iterate through a folder and its entire contents, testing to see if each file is readable or writable. It’s straightforward in Swift too.

June 20, 2017 Macs, Technology

How to discover which files should be readable and which writable: PermissionScanner 1.0b1

Repairing permissions on your Home folder is a blunt tool which could cause more problems. This tool looks through for potential problems, letting you fix them one file at a time.

June 19, 2017 Macs, Technology

Last Week on My Mac: The mystery of repairing permissions

Why we can’t repair system permissions, and some pitfalls and promise in the new technique of repairing permissions on the Home folder.

June 18, 2017 Macs, Technology

Should you repair permissions on your Home folder, and how?

Apple has started recommending users to repair permissions – not generally, but in the Home folder. Here’s my experience, and a tool to make this easier.

June 17, 2017 Macs, Technology

Exploring Sierra 10.12.5 sleep and wake in the log, 2 DAS and CTS

Sleep interrupts the scheduling and dispatch of background tasks. Here’s how it looks in the dispatching systems.

June 16, 2017 Macs, Technology

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