CUPS 2.0 lpstat and lpinfo commands return "Bad file descriptor"

linux printing cups
Sav-econ picture Sav-econ · Nov 3, 2014 · Viewed 15.8k times · Source

I have installed cups 2.0 on my Ubuntu box. I installed from source. When I type the first few commands in the CUPS manual it returns the message Bad file descriptor. Here is an example

VPCZ12V9E:~$ sudo lpinfo -m
lpinfo: Bad file descriptor
VPCZ12V9E:~$ lpstat -p
lpstat: Bad file descriptor

Please suggest why this is happening? It implies to me that I have a problem. I have not tried adding a printer yet. I have only installed CUPS 2.0.

Answer

Marcelo Teixeira Ruggeri picture Marcelo Teixeira Ruggeri · Aug 8, 2018

Ensure also you have Started Cupsd Service

According to the ArchWiki (https://wiki.archlinux.org/index.php/CUPS), the service is called: org.cups.cupsd.service

Check the service by: sudo systemctl status org.cups.cupsd.service

Start (if not started) the service by: sudo systemctl start org.cups.cupsd.service

Enable the service (if not enabled) by: sudo systemctl enable org.cups.cupsd.service

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