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[Bug 1038328] Printing/cups: Upgrading CUPS: 'Unit name cups-lpd@.service is missing the instance name'
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Wed, 10 May 2017 06:03:53 +0000
  • Message-id: <>

Dr. Werner Fink <werner@xxxxxxxx> changed:

What |Removed |Added
CC|werner@xxxxxxxx |systemd-maintainers@xxxxxxx

--- Comment #1 from Dr. Werner Fink <werner@xxxxxxxx> ---
Service units like cups-lpd@.service can become restart nor started nor
enabled, as those are *templates* only. From manual page systemd.unit(5)

Optionally, units may be instantiated from a template file at
runtime. This allows creation of multiple units from a single
configuration file. If systemd looks for a unit configuration
file, it will first search for the literal unit name in the
file system. If that yields no success and the unit name
contains an "@" character, systemd will look for a unit
template that shares the same name but with the instance
string (i.e. the part between the "@" character and the
suffix) removed. Example: if a service getty@tty3.service is
requested and no file by that name is found, systemd will
look for getty@.service and instantiate a service from that
configuration file if it is found.

To refer to the instance string from within the configuration
file you may use the special "%i" specifier in many of the
configuration options. See below for details.

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