linux - How to restart the python scrypts regardless of the reasons they've existed or crashed? -


say have sh script monitor python script , restart if crashes:

until myserver;     echo "server 'myserver' crashed exit code $?.  respawning.." >&2     sleep 1 done

while might work python script supposed work and exit, won't case because need python scripts (a few ones, not one) always work 24/7 in background. , if 1 of them ever exists means it's crashed , should restarted.

how should handle case?

if have root on system.

if have distro systemd.

then...

you can use systemd restart process ends using "restart=always". example:

[unit] description=my cool service after=network.target  [service] execstart=/usr/local/sbin/myservice user=<myuser> group=<mygroup> restart=always  [install] wantedby=multi-user.target

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