Is your Mac slow to report and install macOS, security data, or App Store updates? These tips ensure you do get them promptly.
softwareupdate
You don’t need a large network to make a Content Caching server worthwhile. If you’ve 100 GB or more to spare on an external disk, and a Mac that’s running when others are, give it a try. It’s simple to set up and use.
Can your Mac be protected from a forced upgrade to Sonoma by disabling the upgrade notification? What are the risks now?
If you can’t upgrade it to Sonoma, how can you ensure your production Mac doesn’t get upgraded unintentionally?
How it checks whether your Mac’s firmware and security protection are current, and screens for major security issues.
Neither its man page or usage information are complete or correct. Here’s how to check for available updates and install them using softwareupdate.
Opening the settings runs a partial check for updates, but omits important updates, and almost immediately loses its help button.
Why some report macOS updates as being more than 1 GB smaller than the figures given here. Don’t believe the size given by softwareupdate.
When you know an update has been released, but your Mac can’t find it, or you try to install the update but it fails with an error.
How to get prompt security data updates, RSRs, macOS updates, App Store updates, and those for third-party apps distributed independently.
The Eclectic Light Company 