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When to use execstop and deactivate in systemd?
Such systemd units will wait until the process specified by ExecStart terminates, and then deactivate by running the process specified by ExecStop. Type=simple (the default setting) is used when the process configured with ExecStart is the main process of the service.
Where does the execstart file go in systemd?
Files that human’s modify and manually manage are intended to go in /etc/systemd/system The default Type setting for a Service unit is Type=simple, which is used when the process configured with ExecStart= is the main process of the service.
Why is systemd stopping service immediately after it is started?
– Unix & Linux Stack Exchange Why is systemd stopping service immediately after it is started? I have a C++ based application which I’m running (executable) as a daemon with systemd. When I issue start command the service is starting up, but then it immediately receives a shutdown signal and then exits.
What happens if there is no execstop command?
The process specified by ExecStop will run in case the service crashes. In the absence of any ExecStop option, the systemctl stop servicename command will simply kill the remaining processes of the unit, as specified by the KillMode option.
When to use Type forking in systemd?
Type=forking is used when the process specified by ExecStart is expected to exit after start-up is complete, while its child process (es) continue (s) to run in the background. This is the behavior of traditional UNIX daemons and the recommended choice in your case.
How to use multiple execstart stack overflow in Linux?
And then you just modify you .service units to be WantedBy=bar.target like: Then you just enable the foo services you want in parallel, and start the bar target like this: NOTE: that this works with any type of units not only template units.
Can a unit file have more than one execstartpost?
if Type=simple in your unit file, you can only specify one ExecStart, but you can add as many ExecStartPre, ExecStartPost, but none of this is suited for long running commands, because they are executed serially and everything one start is killed before starting the next one.