I’m struggling to understand how to set up a new slice on my debian 10 system. I have created a file,
system-db.slice by copying
system.slice and changing a couple of things:
# This file is part of systemd. # # systemd is free software; you can redistribute it and/or modify it # under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2.1 of the License, or # (at your option) any later version. [Unit] Description=System DB Slice Documentation=man:systemd.special(7) DefaultDependencies=no Before=slices.target Requires=system.slice After=system.slice
This doesn’t appear to do anything at all; it doesn’t show up in
systemd-cgls, for example. On the other hand,
systemctl finds it:
# systemctl status system-db.slice ● system-db.slice - System DB Slice Loaded: loaded (/etc/systemd/system/system-db.slice; static; vendor preset: enabled) Active: inactive (dead) Docs: man:systemd.special(7)
Clearly there are some things I haven’t done or done wrong. How should I have done this? And where can I learn more about this?
The slice is only started when a service that uses the slice is started. You do not start it manually. Rather, you add
Slice=my.slice to the unit that you want to be restricted by this slice.
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