Dustin
74508faf27
NUT needs some udev rules in order to set the proper permissions on USB etc. devices so it can run as an otherwise unprivileged user. Since udev rules can only be processed on the host, these rules need to be copied out of the container and evaluated before the NUT server starts. To enable this, the *nut-server* container image copies the rules it contains to `/etc/udev/rules.d` if that directory is a mount point. By bind mounting a directory on the host at that path, we can get a copy of the rules files outside the container. Then, using a systemd path unit, we can tell the udev daemon to reload and reevaluate its rules. SELinux prevents processes in containers from writing to `/etc/udev/rules.d` directly, so we have to use an intermediate location and then copy the rules files to their final destination. |
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