systemd and /tmp

[dolphin_oracle]

to those of you that might be running mx linux in "systemd" mode, you may find that your /tmp directory is not emptying quite as often as you might like. this causes some odd behavior for a couple of apps, but the fix is easy.

1. copy tmp.conf from /usr/lib/tmpfiles.d to /etc/tmpfiles.d

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sudo cp /usr/lib/tmpfiles.d/tmp.conf /etc/tmpfiles.d/tmp.conf

2. add a couple of lines to the /etc/tmpfiles.d/tmp.conf to make your config look like this:

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#  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.

# See tmpfiles.d(5) for details

# Clear tmp directories separately, to make them easier to override
D /var/tmp 1777 root root -
D /tmp 1777 root root -
#q /var/tmp 1777 root root 30d

# Exclude namespace mountpoints created with PrivateTmp=yes
x /tmp/systemd-private-%b-*
X /tmp/systemd-private-%b-*/tmp
x /var/tmp/systemd-private-%b-*
X /var/tmp/systemd-private-%b-*/tmp

for some reason, by default, systemd doesn't empty our /tmp folder like happens with our sysVinit configuration, leading to a never ending buildup of pulseaudio checkfiles, among other things. you are only impacted if you are using systemd for boot/init.

[Jerry3904]

Good one to add to the Wiki, doing it now.