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Viewing file:     ref-classes-conf.html (14.73 KB)      -rw-r--r--

The CUPS scheduler (cupsd) uses the /etc/cups/classes.conf file to store the list of available classes. This file contains only locally defined classes, not remote classes that are created automatically via browsing. Each directive is listed on a line by itself followed by its value. Comments are introduced using the number sign ("#") character at the beginning of a line.

While the class configuration file consists of plain text and can be modified using your favorite text editor, you should normally use the lpadmin(8) command, web interface, or any of the available GUIs to manage your classes instead. If you do choose to edit this file manually, you will need to restart the scheduler to make them active.

Accepting

Examples

<Class name>
  ...
  Accepting yes
</Class>

Description

The Accepting directive defines the initial state of the printer-is-accepting-jobs attribute. This state is also set by the accept(8) and reject(8) commands:

/usr/sbin/accept classname
/usr/sbin/reject classname

This directive must appear inside a Class or DefaultClass section.

AllowUser

Examples

<Class name>
  ...
  AllowUser foo_user
  AllowUser @bar_group
</Class>

Description

The AllowUser directive adds a username or group name to the requesting-user-name-allowed attribute which can be set by the lpadmin(8) command:

/usr/sbin/lpadmin -p classname -u allow:foo_user,@bar_group

This directive must appear inside a Class or DefaultClass directive. This directive cannot be used with DenyUser.

Class

Examples

<Class name>
  ...
</Class>

Description

The Class directive begins a class definition. Classes are added using the lpadmin(8) command:

/usr/sbin/lpadmin -p printername -c classname

DefaultClass

Examples

<DefaultClass name>
  ...
</Class>

Description

The DefaultClass directive begins a class definition as the default server destination. The default server destination can be set using the lpadmin(8) command:

/usr/sbin/lpadmin -d classname

Note that the server default destination settings can be overridden by the user's default destination settings which are normally set using the lpoptions(1) command.

DenyUser

Examples

<Class name>
  ...
  DenyUser foo_user
  DenyUser @bar_group
</Class>

Description

The DenyUser directive adds a username or group name to the requesting-user-name-denied attribute which can be set by the lpadmin(8) command:

/usr/sbin/lpadmin -p classname -u deny:foo_user,@bar_group

This directive must appear inside a Class or DefaultClass directive. This directive cannot be used with AllowUser

CUPS 1.2ErrorPolicy

Examples

<Class name>
  ...
  ErrorPolicy abort-job
</Class>

Description

The ErrorPolicy directive defines the policy that is used when a backend is unable to send a print job to the printer. The lpadmin(8) command sets the current error policy:

/usr/sbin/lpadmin -p classname -o printer-error-policy=stop-printer

The following values are supported:

• abort-job - Abort the job and proceed with the next job in the queue
• retry-job - Retry the job after waiting for N seconds; the cupsd.conf JobRetryInterval directive controls the value of N
• stop-printer - Stop the printer and keep the job for future printing; this is the default value

This directive must appear inside a Class or DefaultClass section.

Info

Examples

<Class name>
  ...
  Info My Class
</Class>

Description

The Info directive defines the string for the printer-info attribute. It is normally set using the lpadmin(8) command:

/usr/sbin/lpadmin -p classname -D "My Class"

This directive must appear inside a Class or DefaultClass section.

JobSheets

Examples

<Class name>
  ...
  JobSheets none,standard
</Class>

Description

The JobSheets directive specifies the default banner pages to print before and after a print job. In the above example, only a standard banner will print after each job. The lpadmin(8) command is normally used to set the default banners:

/usr/sbin/lpadmin -p classname -o job-sheets-default=none,standard

If only one banner file is specified, it will be printed before the files in the job. If a second banner file is specified, it is printed after the files in the job.

The available banner pages depend on the local system configuration; CUPS includes the following standard banner files:

• none - Do not produce a banner page.
• classified - A banner page with a "classified" label at the top and bottom.
• confidential - A banner page with a "confidential" label at the top and bottom.
• secret - A banner page with a "secret" label at the top and bottom.
• standard - A banner page with no label at the top and bottom.
• topsecret - A banner page with a "top secret" label at the top and bottom.
• unclassified - A banner page with an "unclassified" label at the top and bottom.

This directive must appear inside a Class or DefaultClass section.

KLimit

Examples

<Class name>
  ...
  KLimit 1234
</Class>

Description

The KLimit directive defines the value of the job-k-limit attribute. It is normally set using the lpadmin(8) command:

/usr/sbin/lpadmin -p classname -o job-k-limit=1234

This directive must appear inside a Class or DefaultClass section.

Location

Examples

<Class name>
  ...
  Location Building 3321
</Class>

Description

The Location directive defines the string for the printer-location attribute. It is normally set using the lpadmin(8) command:

/usr/sbin/lpadmin -p classname -L "Building 3321"

This directive must appear inside a Class or DefaultClass section.

CUPS 1.2OpPolicy

Examples

<Class name>
  ...
  OpPolicy default
</Class>

Description

The OpPolicy directive sets the operation policy that is used for the printer. The lpadmin(8) command sets the current operation policy:

/usr/sbin/lpadmin -p classname -o printer-op-policy=default

The default policy is named "default". All policies correspond to those defined using the cupsd.conf Policy section.

This directive must appear inside a Class or DefaultClass section.

CUPS 1.2Option

Examples

<Class name>
  ...
  Option name value
  Option scaling 100
  Option page-left 72
</Class>

Description

The Option directive specifies a default job template attribute value. It is mapped to name-default in the printer attributes and applied to jobs as name.

This directive must appear inside a Class or DefaultClass section.

PageLimit

Examples

<Class name>
  ...
  PageLimit 1234
</Class>

Description

The PageLimit directive defines the value of the job-page-limit attribute. It can be set using the lpadmin(8) command:

/usr/sbin/lpadmin -p classname -o job-page-limit=1234

This directive must appear inside a Class or DefaultClass section.

Printer

Examples

<Class name>
  ...
  Printer foo
  Printer bar
  Printer bleep
</Class>

Description

The Printer directive adds a printer to a class. Printers are added to a class using the lpadmin(8) command:

/usr/sbin/lpadmin -p printername -c classname

This directive must appear inside a Class or DefaultClass section.

QuotaPeriod

Examples

<Class name>
  ...
  QuotaPeriod 604800
</Class>

Description

The QuotaPeriod directive defines the value of the job-quota-period attribute. Typical values are 86400 (1 day), 604800 (1 week), 2592000 (1 month), and 31536000 (1 year). It is set using the lpadmin(8) command:

/usr/sbin/lpadmin -p classname -o job-quota-period=604800

This directive must appear inside a Class or DefaultClass section.

CUPS 1.2Shared

Examples

<Class name>
  ...
  Shared yes
</Class>

Description

The Shared directive defines the initial value of the printer-is-shared attribute. The strings yes and no correspond to the true and false values, respectively. The lpadmin(8) command sets the current state:

/usr/sbin/lpadmin -p classname -o printer-is-shared=true

This directive must appear inside a Class or DefaultClass section.

State

Examples

<Class name>
  ...
  State idle
</Class>

Description

The State directive defines the initial value of the printer-state attribute. The strings idle and stopped correspond to the IPP enumeration values 3 and 5, respectively. The cupsenable(8) and cupsdisable(8) commands set the current state:

/usr/sbin/cupsenable classname
/usr/sbin/cupsdisable classname

This directive must appear inside a Class or DefaultClass section.

StateMessage

Examples

<Class name>
  ...
  StateMessage Ready to print.
</Class>

Description

The StateMessage directive defines the initial string for the printer-state-message attribute. The following are some example messages:

StateMessage Connected to host_name...
StateMessage Connecting to printer_queue on port port_number...
StateMessage Network host host_name is busy; will retry in 30 seconds...
StateMessage Class busy; will retry in 10 seconds...
StateMessage Class is busy; retrying print job...
StateMessage Print file accepted - job ID id_number.
StateMessage Ready to print.
StateMessage Waiting for job to complete

This directive must appear inside a Class or DefaultClass section.

CUPS 1.2StateTime

Examples

<Class name>
  ...
  StateTime 1133542425
</Class>

Description

The StateTime directive defines the UNIX time (seconds since Jan 1, 1970) for the last state change of the queue. It is mapped to the printer-state-change-time attribute.

This directive must appear inside a Class or DefaultClass section.