Common UNIX Printing System

Question 1

Default URL for local CUPS server:

Answer 1

http://localhost:631
Note: requires root to add/remove printers.

Question 2

IPP

Answer 2

Internet Printing Protocol
Set as server default
POE generated by CUPS.

Question 3

/etc/cups

Answer 3

Directory containing config files for CUPS print server daemon & print settings. Preferable to use web interface for management.
Advanced settings: Remote logging & admin, Kerberos authorization.

Question 4

cupsd.conf

Answer 4

Configuration for server

Question 5

printers.conf

Answer 5

Config info for printers

DO NOT EDIT MANUALLY

Question 6

CUPS

Answer 6

Provides line print daemon toolset

Question 7

lpstat

Answer 7

Displays status of CUPS server and configured printers and queues.
-s: show printers configured.

Question 8

lpadmin

Answer 8

Admin tool to add, modify, delete printers.
-E: enable printer to start accepting jobs
-L: indicate location
-m: specify driver. Everywhere to auto identify or driver location.
-p: following printer name to add
-v: connection info for server.
Ex: IP address via socket://192.168.0.8:9100
-x: remove printer

Question 9

lpinfo

Answer 9

Displays available printer devices and drivers to be used
-v: list available connection types
—make-and-model: identify drivers with printer name “”
-m: identify PPD files which can be used. After name.

Question 10

lpc

Answer 10

Older BSD-style command. Can be used to view info about installed printers.
status command shows status of all installed.

Question 11

lpr

Answer 11

Send print job to default printer

-D: device (printer)

Question 12

lpq

Answer 12

Displays CUPS printer queue.

-a: all queues.

Question 13

lpstat

Answer 13

Identify job status

-l: list

Question 14

lprm

Answer 14

Removes print job from queue. Job ID needed. To remove all, pass - to cmd.

Question 15

cupsreject

Answer 15

Set all jobs to reject if specified printer used.

Question 16

cupsdisable

Answer 16

Disable all printing for printer.