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CUPS

Ok, you want to print from your steamlink because it's small, always powered on and available on your network - a perfect machine to become a print server.

In order to achiveve this, you will need to compile a lot of stuff, such as:

  • libjpeg
  • libpng
  • libopenjpeg
  • libtiff
  • libqpdf
  • lcms
  • freetype
  • fontconfig
  • foo2xqx
  • poppler
  • cups
  • cups-filters
  • ghostscript

All of these have their own build_steamlink.sh scripts in corresponding directories.

HOWTO

Clone steamlink-sdk from https://github.com/ValveSoftware/steamlink-sdk, move directories with libs mentioned above into examples directory.

Go into each directory (in same order as in the list above) and run build-steamlink.sh script. This will build the lib and put it into packagename-build directory along with the script. You will need to copy the results to the local rootfs first so you'll be able to compile everything. Example:

cd steamlink-sdk/examples/libpng
cp -r libpng-build/* ../../rootfs

After you finish compiling everything, go into examples dir and gather the results:

find -type d -name *-build -exec rsync -av {}/ /tmp/cups-build \;
tar -cvf cups-build.tar /tmp/cups-build

Copy the archive to steamlink, unpack it, remount the filesystem with rw option and copy the files:

root@steamlink:~# tar -xvf cups-build.tar
mount -o remount,rw / 
cp -r cups-build/* /

By doing so you may overwrite some systemfiles which can break your steamlink 5ever - you've been warned.

Post-install

Enable remote administration:

cupsd -f
cupsctl --remote-admin

Enable CGI scripts ( PID 5892 (/usr/lib/cups/cgi-bin/admin.cgi) stopped with status 113 (Permission denied) ):

https://www.cups.org/doc/cgi.html - create /etc/cups/cgi.types with following content:

application/x-httpd-cgi cgi
application/x-httpd-java class
application/x-httpd-perl pl
application/x-httpd-php php
application/x-httpd-python py

Add printer

Add udev rule on steamlink, idVendor and idProduct are taken from lsusb output - use your own instead of abcd and 0123. You can also get them from dmesg output - just reattach the printer.

vi /etc/udev/rules.d/10-printer.rules

ATTR{idVendor}=="abcd", ATTR{idProduct}=="0123", MODE:="0666", GROUP:="lp"

Reboot the steamlink, remount filesystem with rw option.

Add printer via webinterface (http://<steamlink_ip>:631, login root, password steamlink or whatever you set it to). If printer is not available on Add printer page - I am really sorry for you. You can enable debug with cupsctl --debug-logs, restart cups and google the errors.

Add printer manually, may not work (I cheated and scpd drivers in ppd format from system where that printer was already working (see /etc/cups/ppd/ on your computer where that printer works)):

/usr/lib/cups/backend/usb
lpadmin -E -p 'HP_LaserJet_M1120_MFP' -v 'usb://HP/LaserJet%20M1120%20MFP?serial=MF326NK&interface=1' -P /etc/cups/ppd/HP_LaserJet_M1120_MFP.ppd

You can also do chmod 666 /dev/bus/usb/001/00x and chgrp lp /dev/bus/usb/001/00x, where x is the number of your usb printer device (see lsusb)

Print

lp -d HP_LaserJet_M1120_MFP /usr/share/cups/data/default-testpage.pdf

Notes

Build scripts are ugly and I am pretty sure I left hardcoded paths in some of them. Please report issues.

Network printing is not working yet - not sure what to do yet.

Printing doesn't work after rebooting, waiting for printer - I wonder why...