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License: GNU General Public License v3.0
Set up CUPS to share USB printers over the network
License: GNU General Public License v3.0
Hey!
First of all, thanks a lot for this repo, helped me a lot to setup CUPS inside my homelab using Docker! Although, I did some research to run this without the --privileged and I achieved some good results using --device-cgroup-rules.
I used this article as reference. Using the cgroup we can give access to a specific group of devices instead of the amount of power that --privileged gives. It's possible to use the --device option but then hot plug doesn't work
Also, I added the --ulimit nofile=1024:1024
because new docker install have unlimited ulimit which causes CUPS crash and it doesn't start.
Here's my full docker run command:
docker run -p 631:631 --ulimit nofile=1024:1024 \
-e CUPS_USER=admin \
-e CUPS_PASS=admin \
-v /dev/bus/usb:/dev/bus/usb \
--device-cgroup-rule='c 189:* rmw' \
docker.io/aguslr/cups:latest
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