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33 lines
1.5 KiB
Markdown
33 lines
1.5 KiB
Markdown
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# launchctl
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> A command-line interface to Apple's `launchd` manager for launch daemons (system-wide services) and launch agents (per-user programs).
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> `launchd` loads XML-based `*.plist` files placed in the appropriate locations, and runs the corresponding commands according to their defined schedule.
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- Activate a user-specific agent to be loaded into `launchd` whenever the user logs in:
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`launchctl load ~/Library/LaunchAgents/{{my_script}}.plist`
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- Activate an agent which requires root privileges to run and/or should be loaded whenever any user logs in (note the absence of `~` in the path):
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`sudo launchctl load /Library/LaunchAgents/{{root_script}}.plist`
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- Activate a system-wide daemon to be loaded whenever the system boots up (even if no user logs in):
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`sudo launchctl load /Library/LaunchDaemons/{{system_daemon}}.plist`
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- Show all loaded agents/daemons, with the PID if the process they specify is currently running, and the exit code returned the last time they ran:
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`launchctl list`
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- Unload a currently loaded agent, e.g. to make changes (note: the plist file is automatically loaded into `launchd` after a reboot and/or logging in):
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`launchctl unload ~/Library/LaunchAgents/{{my_script}}.plist`
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- Manually run a known (loaded) agent/daemon, even if it isn’t the right time (note: this command uses the agent's label, rather than the filename):
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`launchctl start {{my_script}}`
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- Manually kill the process associated with a known agent/daemon, if it's running:
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`launchctl stop {{my_script}}`
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