Do I need to enable it this way? I am running Centos 7
systemctl enable systemd-tmpfiles-clean.service
What would be the implications?
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How to enable systemd-tmpfiles-clean.service?
I run ‘systemctl enable systemd-tmpfiles-clean.service’ but with error:
The unit files have no [Install] section. They are not meant to be enabled using systemctl…
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–clean: If this option is passed, all files and directories with an age parameter configured will be cleaned up.
May I know what is an ‘age parameter’?
systemd-tmpfiles-clean.service clears /tmp before shutdown. /tmp contains temporary files that some programs need, but do not expect them to be persisted across reboots.
In some cases, /tmp is mounted as a tmpfs filesystem which is stored entirely in RAM and is automatically cleared on reboot. However, that is not the case in the CentOS 7 image so you will need to enable systemd-tmpfiles-clean.service in order to have /tmp cleared on shutdown.
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