Virtual PDF Printer with CUPS Back End for Windows Clients without roaming user profile: Difference between revisions
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Revision as of 12:33, 3 March 2023
Beside the various PDF printer programs, which require an installation on clients, it might be useful, to have a virtual Samba printer. This enables users to create and automatically store PDF files on the server, as simple as printing. No additional software installation is required on the clients, if your Samba Print Server provides Point'n'Print support.
Requirements
- Samba configured as a Print Server
- CUPS installed
- package cups-pdf installed
Setup
- Install a new printer on CUPS (I consider that there is already a cups-pdf printer dedicated to linux clients with PPD driver for linux, so we will create a second one for windows clients with RAW driver)
- Add a new printer in the CUPS web interface (Warning : Only cups-pdf v3.0 and later can create multiple pdf printer)
Choose "CUPS-PDF (Virtual PDF Printer)" Name : Virtual_PDF_Printer_raw Description : Virtual PDF Printer Raw Location : CUPS Do not select "Share this printer" Brand : "Raw" Model : "Raw queue"
- Modify the URI of the new pdf printer created
# systemctl stop cups edit /etc/cups/printers.conf in the section <Printer Virtual_PDF_Printer_raw> change "DeviceURI cups-pdf:/" to "DeviceURI cups-pdf:/raw" # systemctl start cups
- Create a config file for the new pdf printer created
in /etc/cups/ make "cp cups-pdf.conf cups-pdf-raw.conf" edit /etc/cups/cups-pdf-raw.conf change to "Out /srv/samba/pdf_output" Uncomment "Label 2" (to avoid pdf files with the same name)
- Create directory for pdf output on the print server
# mkdir /srv/samba/pdf_output # chgrp -R "SAMDOM\Domain Users" /srv/samba/pdf_output/ # chmod -R 775 /srv/samba/pdf_output/
- Add the following configuration to your smb.conf (adjust the spool path if necessary):
[PDFprinter] path = /var/tmp printer = Virtual_PDF_Printer_raw comment = Virtual PDF Printer raw printable = yes
The above section is not necessary if you use "load printers = yes" in your smb.conf
[pdf] path = /srv/samba/pdf_output read only = no hide unreadable = yes
- Reload Samba
# smbcontrol all reload-config
- If you want to use automatic Point'n'Print driver installation, upload a PostScript driver to your Samba server. You can use any PostScript driver, like the HP Universal Print Driver PostScript.
- If you don't want to use Point'n'Print driver installation, add the following line to the printer configuration:
use client driver = yes
Using the virtual PDF printer
- Connect the printer on your client.
- Connect the share "pdf" on your client.
- Simply send a print job to the PDFprinter and the PDF is stored in the shared directory "pdf" with the domain user permissions.
Solving problems
apparmor prevents reading cups-pdf-raw.conf and writing to /srv/samba/pdf_output.
edit /etc/apparmor.d/usr.sbin.cupsd add below before } /etc/cups/cups-pdf-raw.conf r, /srv/samba/pdf_output/* rw, # systemctl restart apparmor