Am Montag, dem 30.06.2025 um 12:25 +0200 schrieb Stef Bon: > Hi, > > it's important for a program to detect it has been started by systemd. > For example it does not have to fork since it has already been forked. > > I've written a test script, which calls env, and there are a few > unique environment variables which are an indication it has been > started by systemd: SYSTEMD_EXEC_PID and INVOCATION_ID. > > Is it a good way to test these environment vars (to detect started by > systemd) or is there a better way? > > S. Bon
Hi, to check if the system was booted with `systemd`, check the existence and return value of ``` systemd-notify --booted ``` See <man:systemd-notify(1)> for more information and some alternatives. BR Silvio
