[GH-ISSUE #1629] okular: printing is broken #1095

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opened 2026-05-05 07:26:32 -06:00 by gitea-mirror · 2 comments

gitea-mirror commented

2026-05-05 07:26:32 -06:00

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Originally created by @curiosity-seeker on GitHub (Nov 3, 2017).
Original GitHub issue: https://github.com/netblue30/firejail/issues/1629

Whenever I try to print a document in Okular, I get the folllowing error:

Could not print the document. Detailed error is "Could not find a suitable binary for printing. Make sure CUPS lpr binary is available". Please report to bugs.kde.org

If I execute firejail --debug okular the output contains:

Checking /usr/local/bin/lpr
Checking /usr/bin/lpr
Checking /bin/lpr
Checking /usr/games/lpr
Checking /usr/local/games/lpr
Checking /usr/local/sbin/lpr
Checking /usr/sbin/lpr
Checking /sbin/lpr
Warning: file lpr not found

Huh? Strange!

Commenting the private-bin line in the profile solves the problem. But why can't lpr be found?

Originally created by @curiosity-seeker on GitHub (Nov 3, 2017). Original GitHub issue: https://github.com/netblue30/firejail/issues/1629 Whenever I try to print a document in Okular, I get the folllowing error: ``` Could not print the document. Detailed error is "Could not find a suitable binary for printing. Make sure CUPS lpr binary is available". Please report to bugs.kde.org ``` If I execute `firejail --debug okular` the output contains: ``` Checking /usr/local/bin/lpr Checking /usr/bin/lpr Checking /bin/lpr Checking /usr/games/lpr Checking /usr/local/games/lpr Checking /usr/local/sbin/lpr Checking /usr/sbin/lpr Checking /sbin/lpr Warning: file lpr not found ``` Huh? Strange! Commenting the `private-bin` line in the profile solves the problem. But why can't lpr be found?

gitea-mirror

2026-05-05 07:26:32 -06:00

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gitea-mirror commented

2026-05-05 07:26:36 -06:00

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@smitsohu commented on GitHub (Nov 3, 2017):

Hi @curiosity-seeker, sorry for the trouble and thanks for reporting! The likely reason is that lpr for you is a symlink to /etc/alternatives/print, which is again a symlink to /usr/bin/lpr.cups. So adding 'alternatives' to the private-etc line and 'lpr.cups' to private-bin line should fix it.

@smitsohu commented on GitHub (Nov 3, 2017): Hi @curiosity-seeker, sorry for the trouble and thanks for reporting! The likely reason is that lpr for you is a symlink to /etc/alternatives/print, which is again a symlink to /usr/bin/lpr.cups. So adding 'alternatives' to the `private-etc` line and 'lpr.cups' to `private-bin` line should fix it.

gitea-mirror commented

2026-05-05 07:26:37 -06:00

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@curiosity-seeker commented on GitHub (Nov 3, 2017):

Yes, indeed, that fixes the issue! Thank you very much for the quick solution!

EDIT: Adding 'alternatives' to private-etc and keeping 'lpr' in private-bin is sufficient.

@curiosity-seeker commented on GitHub (Nov 3, 2017): Yes, indeed, that fixes the issue! Thank you very much for the quick solution! EDIT: Adding 'alternatives' to `private-etc` and keeping 'lpr' in `private-bin` is sufficient.

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Reference: github-starred/firejail#1095

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