In macOS 11.5.1, Apple has squeezed a thimbleful of a patch into a ten-gallon can of update, more than 99% of which is overhead.
softwareupdate
Details of how the Content Caching server handles a cache macOS security data update, and both client and server handle an App Store update.
Using Activity Monitor and command tools to assess performance of a content caching server, and diagnosing problems from the log.
Although updating each M1 Mac requires 1 GB of direct download from Apple, there are great economies in running your own Content Caching Server. And why Apple doesn’t want to offer standalone Big Sur updates.
Not only has Apple not provided standalone updaters for macOS 11.2, or for Mojave and Catalina Security Updates 2021-001, but it has removed the Big Sur 11.1 installer. It’s just like iOS now.
Can you use Big Sur’s Content Caching Server to save and retain updates which can substitute for ‘delta’ and Combo standalone update packages?
This morning, Apple has reinstated Big Sur upgrades on its software update service. However, users may still encounter […]
Why you should reconsider whether you let your Mac automatically download and install ‘silent’ updates, and what you can do instead.
The update to MRT 1.68 has caused problems with many Macs. Even if their cause is discovered, fixing them is usually long and complex. That silent security update is causing a denial of service.
Essential facts about the firmware in your Mac, how it’s updated, and which version you should be running. With links to more detailed articles.
The Eclectic Light Company 