On 2019-10-24 9:29 a.m., José Luis Artuch wrote: > cp /lib/systemd/system/nsd.service{,_original} > nano /lib/systemd/system/nsd.service If/when nsd's package is updated, your custom edits will be lost. That's why I suggested the "systemctl edit" way to just add a local override/drop-in file that would survive package updates. Regards, Simon