What is the difference between systemd’s ‘oneshot’ and ‘simple’ service types?

The Type=oneshot service unit: blocks on a start operation until the first process exits, and its state will be reported as “activating”; once the first process exits, transitions from “activating” straight to “inactive”, unless RemainAfterExit=true is set (in which case it becomes “active” with no processes!); may have any number (0 or more) of ExecStart= … Read more

How does the systemd stop command actually work?

By default, a SIGTERM is sent, followed by 90 seconds of waiting followed by a SIGKILL. Killing processes with systemd is very customizable and well-documented. I recommend reading all of man systemd.kill as well as reading about ExecStop= in man systemd.service. To respond to those signals, refer to the signal handling documentation for the language … Read more

How systemd stop command actually works

By default, a SIGTERM is sent, followed by 90 seconds of waiting followed by a SIGKILL. Killing processes with systemd is very customizable and well-documented. I recommend reading all of man systemd.kill as well as reading about ExecStop= in man systemd.service. To respond to those signals, refer to the signal handling documentation for the language … Read more

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