systemctl reenable
linux
Re-enable one or more units. Used when targets of a service change.
More info →Examples (3)
Re-enable a unit, restoring its default symlinks
systemctl reenable unitRe-enable multiple units at once
systemctl reenable unit1 unit2 ...Re-enable a unit and start it immediately
systemctl reenable unit --nowmade by @shridhargupta | data from tldr-pages