Most of my examples for launchctl have been per-user, per-agent, per-daemon. But you can also control multiple launchctl targets concurrently. One example would be that you can unload everything in the user domain by not specifying a path but providing the userid. In the following example, we’ll just use $userid as a variable, but it’s worth noting that that would be, as an example, 501 for the : sudo launchctl bootout gui/$userid There’s another option that can be used to do the opposite from within single user mode, called bootshell. Bootshell is called similarly from single user mode: sudo launchctl bootshell
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LoginHook Bonjour
Want users to be able to use Bonjour at home without having their systems registering with Bonjour when they’re on your network? Many environments have taken to wholesale disabling Bonjour. This can be done by augmenting the LaunchDaemon that invokes Bonjour, com.apple.mDNSResponder.plist that is located at /System/Library/LaunchDaemons. You add a -NoMulticastAdvertisements to the ProgramArguments array. This can be done with the defaults command as so: defaults write /System/Library/LaunchDaemons/com.apple.mDNSResponder ProgramArguments -array-add “-NoMulticastAdvertisements” This can then be undone by writing the contents you want back into the array without the -NoMulticastAdvertisements: defaults write /System/Library/LaunchDaemons/com.apple.mDNSResponder ProgramArguments -array /usr/sbin/mDNSResponder -launchd This is somewhat well documented, initially appearing as an Apple kbase article. However, we…