I finally got around to adding support for macOS dark mode in my site’s CSS while working on consolidating the style between my main site and my blog.

Background

By default, macOS doesn’t enable ownership, and thus access permissions, on external disks. If you have access to Mac with an external disk mounted, you have access to the full contents of that external disk as well.

You can disable macOS printer sharing for all printers using the lpstat and lpadmin tools:

You can use the macappstore:// scheme to open the Mac App Store to view the currently available software updates:

You can extract saved wifi passwords from the macOS Keychain using the security command:

You can install Backblaze silently from the command line by running the bzinstall_mate utility within the Backblaze Installer.app.

You can re-run the macOS Setup Assistant on the next boot by removing the .AppleSetupDone file:

You can perform a defaults write on the macOS loginwindow preferences to set the Login Window text from the command line:

The screensaver engine on a Mac can be invoked from the command line. This can be useful for locking a Mac remotely if its security settings are configured to require a password after waking, but without needing to put the Mac fully to sleep: