CUPS: Difference between revisions
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UMIACS uses the industry standard [http://www.cups.org CUPS] ('''Common Unix Print System''') for printing on Linux systems, providing better support for printers and their specific alternatives than other options. | |||
Printing is only available from UMIACS Networks. | |||
Printing is only available from UMIACS Networks | |||
A list of printers can be found using, | A list of printers can be found using, | ||
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* '''lpstat -p''' | * '''lpstat -p''' | ||
You can see documentation about printing from the command line on our RHEL/Ubuntu hosts at | You can see documentation about printing from the command line on our [[RHEL]]/[[Ubuntu]] hosts at | ||
* http://www.cups.org | * http://www.cups.org/doc/options.html | ||
==Changes from the old LPRng print system== | ==Changes from the old LPRng print system== | ||
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===Commands=== | ===Commands=== | ||
Using the '''lpr''' command is available, although the '''lp''' command is the main supported command and has more functionality. We encourage you to use the '''lp''' (SysV) commands. | Using the '''lpr''' command is available, although the '''lp''' command is the main supported command and has more functionality. We encourage you to use the '''lp''' (SysV) commands. | ||
===Discrete Queues=== | ===Discrete Queues=== | ||
The CUPS and [[WindowsPrinting]] printer queueing systems that UMIACS runs are discrete. This means that problematic jobs from one queueing system that can cause the other queueing system to stall. Please [[HelpDesk | contact staff]] for assistance if you run into a problem. | |||
Latest revision as of 19:32, 27 February 2025
UMIACS uses the industry standard CUPS (Common Unix Print System) for printing on Linux systems, providing better support for printers and their specific alternatives than other options.
Printing is only available from UMIACS Networks.
A list of printers can be found using,
- http://print.umiacs.umd.edu/printers (available only on UMIACS Networks)
- lpstat -p
You can see documentation about printing from the command line on our RHEL/Ubuntu hosts at
Changes from the old LPRng print system
Duplexing
To duplex you need to specify -o sides=two-sided-long-edge
instead of -Zduplex
when submitting your job. -o sides=two-sided-short-edge
can be used for the other duplex orientation. You can specify defaults or create a personal instance of a print queue please see this documentation.
Commands
Using the lpr command is available, although the lp command is the main supported command and has more functionality. We encourage you to use the lp (SysV) commands.
Discrete Queues
The CUPS and WindowsPrinting printer queueing systems that UMIACS runs are discrete. This means that problematic jobs from one queueing system that can cause the other queueing system to stall. Please contact staff for assistance if you run into a problem.