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Big Sur

Startup disk surgery in recent macOS: fixing bigger problems

When a startup disk is running short of space, needs a good clean up, or isn’t quite right, it’s tempting to try surgery. Here’s what you can get away with.

July 15, 2022 Macs, Technology

Last Week on My Mac: Changing anti-malware tools in macOS

Out with the old MRT, and in with the new XProtect Remediator, which seems on a course for full function this fall, with the release of Ventura.

July 3, 2022 Macs, Technology

Apple has released an update to XProtect, and to Big Sur 11.6.7

Apple has apparently released two updates this evening. Apple’s software update servers have been experiencing sporadic problems around […]

June 9, 2022 Macs, Technology, Updates

Current firmware and security data software versions updated

Following last week’s updates, I have now completed updating my databases and listings of current Mac firmware for […]

May 23, 2022 Macs, Technology, Updates

Last Week on My Mac: The slim hope of recovery

Monterey changes the way that Recovery works on M1 Macs, making them more like Intel Macs by using a paired Recovery volume. But that could spell trouble.

May 15, 2022 Macs, Technology

Inside the new macOS update log

The restore.log file on the Update volume contains details of all macOS updates installed since 11.0.1. Here’s a quick guide to its contents and use.

April 26, 2022 Macs, Technology

Mirages in the file system: Update and backups

What’s the Update volume doing weeks after the last macOS update? What can I do if ejecting my Time Machine backup storage causes an improper ejection error?

April 20, 2022 Macs, Technology

The kernel and extensions 2: Secure Boot

Big Sur and Monterey allow kernel extensions with limitations, particularly on M1 models. Full details, including how to control them.

April 14, 2022 Macs, Technology

Last Week on My Mac: Trial ethics

We’ve recently discovered a macOS service for ‘trials’ which runs ‘experiments’. Why hasn’t Apple told us, and explained its implications for our privacy?

April 3, 2022 Macs, Technology

What is triald and why is it taking so much disk space?

Is a process named triald stealing lots of CPU? Or maybe ~/Library/Trial is huge, or filling your backups? Maybe it’s all just one of Apple’s Experiments.

March 31, 2022 Macs, Technology

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