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CUPS-PDF for Debian
-------------------
This Debian package of CUPS-PDF is configured as follow:
* Log files are created by group "lpadmin" to match CUPS permissions.
* Anonymous Samba output to </var/spool/cups-pdf/ANONYMOUS/> directory.
* Standard user output to <${HOME}/PDF/> directory.
The settings are fully configurable by editing </etc/cups/cups-pdf.conf>
using the system administrator's favorite text editor.
CAVEAT
AppArmor prevents outputting PDF documents to non-default directories
so </etc/apparmor.d/usr.sbin.cupsd> must also be edited, whenever the
above defaults get changed in </etc/cups/cups-pdf.conf>.
In cases where the system mounts home directories from paths other
than </home/${USER}>, edit </etc/apparmor.d/tunables/home> instead.
AppArmor issues appear in 'dmesg' in a format similar to this:
audit[11578]: AVC apparmor="DENIED" operation="mknod"
profile="/usr/lib/cups/backend/cups-pdf"
name="/home/username/unexpectedpath/document.pdf"
pid=11578 comm="gs" requested_mask="c" denied_mask="c"
fsuid=1000 ouid=1000
The optional GTK package <system-config-printer> is capable of detecting
this CUPS backend as a suitable ready-to-use printer.
NOTES
* Follow these instructions for debugging and reporting printing issues:
<https://wiki.ubuntu.com/DebuggingPrintingProblems>
* CUPS-PDF.PPD is the only recognized backend since 2.4.7 and this is a
feature intended to reduce confusion for the end-user. If you require
paper sizes not supported by CUPS-PDF.PPD, please file a bug report.
* This package is never affected by Poppler or XPDF bugs; only external
tools used to generate the PDF might be. Therefore, avoid filing bugs
related to those codebases against CUPS-PDF.
* No upgrade of the PDF queue from previous releases is ever attempted.
If necessary, issue the following command to manually do this:
sudo lpadmin -p PDF -o pdftops-renderer-default=pdftocairo"
The above reconfigures the queue named PDF to use the Cairo backend.
See Debian Bug #928738 for details.
-- Martin-Éric Racine <martin-eric.racine@iki.fi> Mon, 27 Sep 2021 14:21:01 +0300
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