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Category Archive: Technology

Explainer: kernel panics and crashes

Apps may crash, but kernels panic. Don’t accept your Mac just panics often. It should never panic at all, and more than one panic a year needs to be properly investigated and reported.

February 12, 2022 Macs, Technology

A guided tour of M1 Recovery

How to use an M1 Mac’s Recovery system to boot in Safe mode, boot from another disk, and use its other important features. With a map.

February 11, 2022 Macs, Technology

What has changed in macOS Monterey 12.2.1?

According to Apple, macOS Monterey 12.2.1 fixes a serious bug which could drain the battery of Intel notebooks […]

February 10, 2022 Macs, Technology

Apple has released Monterey 12.2.1 and a Safari update

Apple has just released a patch update to macOS Monterey, to bring it to version 12.2.1. This fixes […]

February 10, 2022 Macs, Technology, Updates

Managing snapshots: how to stop them eating free space

T T Read More

Snapshots are of great value, but can grow large if you don’t keep an eye on them. If you find Time Machine or another backup utility is storing large snapshots, here’s what to do.

February 10, 2022 Macs, Technology

What should you do when your Time Machine backups go awry?

Problems with the file system of Time Machine backups haven’t gone away with APFS. As there’s no way to copy your backup volume, how to tackle such problems?

February 9, 2022 Macs, Technology

Why do installer packages expire, but apps don’t? Signing certificate and notarization oddities

T T Read More

App signatures remain valid forever, but Installer packages are different, and their certificates can and do expire. What about notarization though?

February 8, 2022 Macs, Technology

Solutions to Saturday Mac riddles 137

I hope that you enjoyed Saturday’s Mac Riddles, episode 137. Here are my solutions to them. 1: A […]

February 7, 2022 General, Macs, Technology

When an M1 Mac mini is faster than an M1 Pro: contention and core allocation

When running some tasks confined to E cores, the original M1 chip from 2020 completes them significantly quicker than an on an M1 Pro. Here’s the detail.

February 7, 2022 Macs, Technology

Last Week on My Mac: Core allocation in M1 chips

Users and other processes have very limited control over which threads are run on which type of core. As Apple Silicon develops, this is an area set for change.

February 6, 2022 Macs, Technology

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