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installer

Why won’t Ventura let me install that?

Download some vital free software, mount its disk image, run the Installer package there – but why does Ventura refuse to install it, and what you do?

December 16, 2022 Macs, Technology

Make a Ventura bootable external disk for an Apple silicon Mac

T T Read More

Described and illustrated, with key points on cables, and setting up ownership and accounts. And what does happen when the external boot disk is missing?

November 10, 2022 Macs, Technology

Ventura for early adopters

Changed installers, post-update security mayhem, Stage Manager for those sensitive to motion, memory leaks, an Endpoint Security bug, and more.

October 26, 2022 Macs, Technology

Explainer: macOS updaters

How macOS updaters have changed over the last decade, and why they’re far more reliable, but you can’t download a standalone updater any more.

March 19, 2022 Macs, Technology

Can’t upgrade to Monterey? Try these

Upgrading to Monterey is simple for the great majority of users. But what can you do if you can’t get it to install? Here are plenty of options.

February 17, 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

Last Week on My Mac: Maintaining macOS has changed

in Mac OS 8 and 9, you could patch the system direct. OS X was harder, and became sprawling and interdependent, encouraging users to reinstall macOS. That has now ended with the introduction of the SSV.

December 26, 2021 Macs, Technology

Last Week on My Mac: shrinking macOS updates

The macOS 12.1 update is the smallest x.1 update since High Sierra 10.13.1 in October 2017, over four years ago. How come it has bucked the trend in Big Sur?

December 19, 2021 Macs, Technology

Inside macOS installer apps and disks

Full macOS installers come in different presentations according to how they’re obtained. Explained here are what’s in an installer app, and how a bootable installer disk works.

September 20, 2021 Macs, Technology

Retaining access to Big Sur when upgrading your M1 Mac to Monterey

If you want to be able to run versions of Big Sur on your M1 Mac after upgrading to Monterey, now’s the time to start preparing.

August 17, 2021 Macs, Technology

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