nfsd fixes

[dimitry-ishenko]

Description

Added a few small fixes for the nfsd module while reviewing it for my Samba work.

Implementation Details

• Key changes introduced by this PR

1. Added a small wrapper script to abstract away dealing with systemd services. I work inside a container (using systemd-nspawn) so all commands attempting to start/stop/restart a service fail.

2. Fixed status command which didn't work inside the container due to failing systemctl is-active command. Plus, checking if the service is active is not the same as checking if it was installed.

3. Fixed uninstall command, which should be remove instead.

• Justification for the changes

See above.

• Confirmation that no new external dependencies or modules have been introduced

Confirmed.

Documentation Summary

• Metadata Included:

None.

• Document Generated:

None.

Testing Procedure

Installed and uninstalled nfsd inside the container a few times.

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have ensured that my changes do not introduce new warnings or errors
• No new external dependencies are included
• Changes have been tested and verified
• I have included necessary metadata in the code, including associative arrays

[igorpecovnik]

Thank you! This will be useful elsewhere too.

I already went further here, so I cherry-picked your commits into my branch.