Have you ever used a temporary directory? I’m guessing if you use a computer, you’ve used one of these. It’s a core feature of nearly every operating-system.

To ensure system stability, you should always check that filesystems on which a temporary directory resides don’t get full — running out of space can quickly bring your system to a grinding halt.

One method to prevent running out of space could be to place those directories on a dedicated partition, but no matter the solution, it is a best practice to clean those directories periodically, based on your/your app’s needs.

Red Hat Enterprise Linux (and Fedora as well) provides a more structured and configurable method to manage temporary directories and files: systemd-tmpfiles.

Once a Red Hat-like system boots up, a special unit file is executed: systemd-tmpfiles-setup, this unit will execute the systemd-tmpfile --create --remove command.

You can take a look at the systemd unit file by executing the following commands:

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Want read more? Visit the original article on Red Hat Developers Blog @ http://developers.redhat.com/blog/2016/09/20/managing-temporary-files-with-systemd-tmpfiles-on-rhel7/