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Category Archive: Macs

Is that authentication request genuine or fake?

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Authentication dialogs differ on Macs with Touch ID support, although they can still use a traditional format. Here are different versions of the dialog and explanations.

October 23, 2024 Macs, Technology

Boot volume layout and structure in macOS Sequoia

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How the immutable system of the SSV, the firmlinked Data volume, and cryptexes ‘grafted’ into the directory tree combine to form the boot volume group of Intel and Apple silicon Macs running macOS 15.

October 22, 2024 Macs, Technology

Solutions to Saturday Mac riddles 278

I hope that you enjoyed Saturday’s Mac Riddles, episode 278. Here are my solutions to them. 1: Platform […]

October 21, 2024 General, Macs, Technology

Disk Images: Bands, Compaction and Space Efficiency

How do sparse bundles and read-write disk images compare with regard to their efficient use of disk space, and in maintenance requirements? Here are test results from Sequoia.

October 21, 2024 Macs, Technology

Last Week on My Mac: Top Tips or clunky cosplay?

In Sequoia, the Tips app has shot from being hidden in CoreServices to join Apple’s first league apps in the main Applications folder. Is this real change, or merely cosplay?

October 20, 2024 Macs, Technology

Saturday Mac riddles 278

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

October 19, 2024 General, Macs, Technology

A brief history of FileVault

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First securing the Home folder in an encrypted sparse disk image, then to whole-volume encryption using CoreStorage, now using T2 and Apple silicon chips.

October 19, 2024 Macs, Technology

Turn a sparse bundle into a TARDIS: an odd bug in Sequoia

How to fit over 90 GB of files into a sparse bundle that’s only 13.8 MB in size, just like Doctor Who’s TARDIS. No APFS sparse files are involved.

October 18, 2024 Macs, Technology

Who’s been accessing my storage? Reading a disk’s history

How to tell whether someone has been eating the (APFS) porridge on one of your disks, using Get Info and DiskUtility’s First Aid. And a surprise hidden volume from 3 years ago.

October 17, 2024 Macs, Technology

Apple has released an update to XProtect Remediator

Apple has just released an update to XProtect Remediator security software for Catalina or later, bringing it to […]

October 16, 2024 Macs, Technology, Updates

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