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cupsd(8)                         OpenPrinting                         cupsd(8)

NAME

cupsd - cups scheduler

SYNOPSIS

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

DESCRIPTION

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 /usr/local/etc/cups/cupsd.conf will be used.

OPTIONS

-c cupsd.conf Uses the named cupsd.conf configuration file. -f Run cupsd in the foreground; the default is to run in the background as a "daemon". -F 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). -h Shows the program usage. -l 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. -t Test the configuration file for syntax errors.

FILES

/usr/local/etc/cups/classes.conf /usr/local/etc/cups/cups-files.conf /usr/local/etc/cups/cupsd.conf /usr/share/cups/mime/mime.convs /usr/share/cups/mime/mime.types /usr/local/etc/cups/printers.conf /usr/local/etc/cups/subscriptions.conf

CONFORMING TO

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

EXAMPLES

Run cupsd in the background with the default configuration file: cupsd 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)

COPYRIGHT

Copyright (C) 2021-2022 by OpenPrinting. 2021-02-28 CUPS cupsd(8) cupsd-helper(8) OpenPrinting cupsd-helper(8)

NAME

cupsd-helper - cupsd helper programs (deprecated)

SYNOPSIS

cups-deviced request-id limit user-id options cups-driverd cat ppd-name cups-driverd list request_id limit options cups-exec sandbox-profile [ -g group-id ] [ -n nice-value ] [ -u user-id ] /path/to/program argv0 ... argvN

DESCRIPTION

The cupsd-helper programs perform long-running operations on behalf of the scheduler, cupsd(8). The cups-deviced helper program runs each CUPS backend(7) with no arguments in order to discover the available printers. The cups-driverd helper program lists all available printer drivers, a subset of "matching" printer drivers, or a copy of a specific driver PPD file. The cups-exec helper program runs backends, filters, and other programs. On macOS these programs are run in a secure sandbox.

FILES

The cups-driverd program looks for PPD and driver information files in the following directories: /Library/Printers /opt/share/ppd /System/Library/Printers /usr/local/share/ppd /usr/share/cups/drv /usr/share/cups/model /usr/share/ppd PPD files can be compressed using the gzip(1) program or placed in compressed tar(1) archives to further reduce their size. Driver information files must conform to the format defined in ppdcfile(5).

NOTES

CUPS printer drivers, backends, and PPD files are deprecated and will no longer be supported in a future feature release of CUPS. Printers that do not support IPP can be supported using applications such as ippeveprinter(1).

SEE ALSO

backend(7), cups(1), cupsd(8), cupsd.conf(5), filter(7), ppdcfile(5), CUPS Online Help (http://localhost:631/help)

COPYRIGHT

Copyright (C) 2021-2022 by OpenPrinting. 2021-02-28 CUPS cupsd-helper(8)

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