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.
UMIACS has replaced our LPRng printing system on our UNIX systems in favor of the industry standard [http://www.cups.org CUPS] ('''Common Unix Print System'''). This provides us with better support for printers and their specific options.
 
Printing is only available from UMIACS Networks or when attached to the UMIACS VPN.


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/documentation.php/doc-1.4/options.html
* 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===
Since now the [[CUPS]] and [[WindowsPrinting]] systems are now discrete.  There can be jobs in the queue from the other print system that if they misbehave can cause the other print system queue to stall.  Please contact staff for assistance if you run into a problem.
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.
===Banner Pages===
The queues are all no banner queues by default.  If you would like to change this behavior for your account you can for each PRINTER_QUEUE by running
 
  <code>lpoptions -o job-sheets=standard PRINTER_QUEUE</code>

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,

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.