Moritz Bartl wrote (09 Jul 2015 14:21:26 GMT) :
Just copy the /lib/systemd/system/tor.service file to /etc/systemd/system and edit it there -- it will take precedence over the one in /lib . You don't want to edit the one in /lib directly, since it is meant to be for distribution files that can/should be replaced on upgrades.
Right. And even better: using drop-in override files would avoid having to maintain a local forked copy of the unit file. Look for ".conf" in systemd.unit(5).
Cheers, -- intrigeri