Examples of systemd units that I crafted over time
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Execute a unit before and after another one

Use case

In this example, I wanted to mount a file system (/mnt/test). But before mounting the filesystem, I wanted to make a backup of it. And after, I want to restore the filesystem from the previous backup. In addition to that, the backup is stored on another filesystem that needs to be mounted too.

Install

./install.sh

Test

./test.sh
cat /mnt/test/witness