Re: At wits end... need to execute a script prior to anything getting killed/changed on reboot/shutdown

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On 1/17/19 11:59 AM, Lennart Poettering wrote:
On Do, 17.01.19 11:17, Christopher Cox (ccox@xxxxxxxxxxxxxx) wrote:

[Install]
WantedBy=multi-user.target

In my case, my script rolls through the currently running processes, looking
for certain ones, determines listening port (ss) and gets the time the
process was started (stat) and outputs info to a file.

What I'm seeing is a file at shutdown that does not contain all the
processes.
Hmm, what kind of processes are you missing? user session stuff? How
do you shut down? Note that display managers are likely to terminate
the user sessions first, and only initiate system shutdown then...
These are nohup'd background processes not tied to any tty.
Well, how is that stuff started? Note that if systemd --user or
--system manages your process then it will keep track of it through
cgroups, and "nohup" is not a concept for evading that.

Nohup'd processes started by an ssh as a user.  Process "parent" pid 1.


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