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Category Archive: Technology

M1 Macs radically change boot and recovery

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Unlike Intel Macs, M1 models always start booting from internal SSD, and can only offer full Recovery from there too. This has benefits, and some drawbacks too.

January 14, 2021 Macs, Technology

Big Sur boot volume layout

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Detailed account of disk, volume and folder layouts on Big Sur’s boot disks, complete with roadmaps which are downloadable as PDFs.

January 13, 2021 Macs, Technology

Big Sur’s icons die in the Dock

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Is your Dock busy? How well are you able to distinguish Apple’s new app icons cast rigorously into rounded rectangles? I’m still failing, and open FaceTime when I want Messages.

January 12, 2021 Macs, Technology

Solutions to Saturday Mac riddles 81

I hope that you enjoyed Saturday’s Mac Riddles, episode 81. Here are my solutions to them. 1: I’m […]

January 11, 2021 General, Macs, Technology

Stibium 1.0 will now benchmark your SSDs

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Improved tests, statistical analysis, and interface, together with a 21 page Help book detailing its range of tests in 5,000 words. Ready to use for real.

January 11, 2021 Macs, Technology, Updates

Last Week on My Mac: Intricacies of the boot disk

Boot disk volume layout is intricate in Big Sur. M1 Macs lose the EFI partition on their internal SSDs and gain two more for APFS. Contents of /System/Volumes has also changed.

January 10, 2021 Macs, Technology

Saturday Mac riddles 81

Here are this weekend’s riddles to entertain you through whatever you’re now allowed to do. 1: I’m the […]

January 9, 2021 General, Macs, Technology

Boot disk layout on Intel and M1 Macs: High Sierra to Big Sur

Diagrams of the layout of volumes on boot disks for macOS 10.13 to 11, covering both Intel and M1 models.

January 9, 2021 Macs, Technology

Notarisation: privacy controls

Final in series. Examines how the hardened runtime controls access to protected private data and services, and how some use private entitlements.

January 8, 2021 Macs, Technology

Notarization: the hardened runtime

Second in the series. Considers in detail what the hardened environment offers the user, and how notarized apps can opt out of its protection.

January 7, 2021 Macs, Technology

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