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Category Archive: Technology

BSD flags are incompatible with iCloud Drive

Eight BSD flags are available in APFS to lock files, hide them, and restrict them in other ways. None of them synced correctly in iCloud Drive, and four caused other problems.

June 2, 2026 Macs, Technology

Apple has released macOS Tahoe 26.5.1

Apple has just released a patch update to macOS Tahoe to bring it to version 26.5.1. This “addresses […]

June 1, 2026 Macs, Technology, Updates

Solutions to Saturday Mac riddles 362

I hope you enjoyed Saturday’s Mac Riddles, episode 362. Here are my solutions to them. 1: From -12:00 […]

June 1, 2026 General, Macs, Technology

What Location Services do in macOS

Although included in Privacy & Security settings, it has nothing to do with TCC or tccutil, but is run largely by its own service locationd. This is what it does, and how to control it.

June 1, 2026 Macs, Technology

Last Week on My Mac: Razzle and dazzle

T T Read More

macOS Tahoe is about to be replaced. After 8 months of improvements to rectify problems in its redesigned interface, what has changed, and is that sufficient to upgrade from Sequoia?

May 31, 2026 Macs, Technology

Saturday Mac riddles 362

Here are this weekend’s Mac riddles to entertain you through family time, shopping and recreation. 1: From -12:00 […]

May 30, 2026 General, Macs, Technology

Protect files with the Locked or Immutable flag

T T Read More

How to use the Finder’s Lock feature, and as the Immutable flag in Terminal. What its effects are, and how well it’s retained. How iCloud Drive can’t cope with it, and how you can use it in your own lightweight versioning system.

May 30, 2026 Macs, Technology

What happens in the log when an app crashes as it starts up?

How to investigate an app that crashes when starting up, using log entries. Includes detailed instructions for one of the simplest adventures in the log, and a summary of code signature errors.

May 29, 2026 Macs, Technology

How to fix an app that crashes as it starts up

When an app can only run for a moment, it might seem hard to work out why it crashes. Here are useful clues from the crash log and elsewhere to help you get the app running properly.

May 28, 2026 Macs, Technology

Apple has released an update to XProtect for all macOS

Apple has released its regular weekly update to XProtect for all versions of macOS, bringing it to version […]

May 27, 2026 Macs, Technology, Updates

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