cupsd — cups scheduler


cupsd [ -c cupsd.conf ] [ -f ] [ -F ] [ -h ] [ -l ] [ -s cups-files.conf ] [ -t ]


cupsd is the scheduler for CUPS. It implements a printing system based upon the Internet Printing Protocol, version 2.1, and supports most of the requirements for IPP Everywhere. If no options are specified on the command-line then the default configuration file /etc/cups/cupsd.conf will be used.


-c cupsd.conf

Uses the named cupsd.conf configuration file.


Run cupsd in the foreground; the default is to run in the background as a "daemon".


Run cupsd in the foreground but detach the process from the controlling terminal and current directory. This is useful for running cupsd from init(8).


Shows the program usage.


This option is passed to cupsd when it is run from launchd(8) or systemd(8).

-s cups-files.conf

Uses the named cups-files.conf configuration file.


Test the configuration file for syntax errors.



Conforming to

cupsd implements all of the required IPP/2.1 attributes and operations. It also implements several CUPS-specific administrative operations.


Run cupsd in the background with the default configuration file:


Test a configuration file called test.conf:

    cupsd -t -c test.conf

Run cupsd in the foreground with a test configuration file called test.conf:

    cupsd -f -c test.conf

See Also

backend(7), classes.conf(5), cups(1), cups-files.conf(5), cups-lpd(8), cupsd.conf(5), cupsd-helper(8), cupsd-logs(8), filter(7), launchd(8), mime.convs(5), mime.types(5), printers.conf(5), systemd(8), CUPS Online Help (http://localhost:631/help)

Referenced By

backend(7), classes.conf(5), cups(1), cupsctl(8), cupsd.conf(5), cupsd-helper(8), cupsd-logs(5), cupsd_selinux(8), cups-files.conf(5), cups-lpd(8), cups-snmp(8), filter(7), mailto.conf(5), mime.convs(5), mime.types(5), notifier(7), printers.conf(5), subscriptions.conf(5).

CUPS 26 April 2019 Apple Inc.