# RancherOS and sound module (missing /dev/snd) **URL:** \ **Category:** RancherOS\ **Created:** [February 21, 2016, 5:28pm UTC](https://forums.suse.com/t/rancheros-and-sound-module-missing-dev-snd/1799 "2016-02-21T17:28:28Z")\ **Posts on this page:** 20\ **Page:** 1
**Author:** ![pwFoo](https://sea2.discourse-cdn.com/flex022/user_avatar/forums.suse.com/pwfoo/32/2884_2.png) [@pwFoo](https://forums.suse.com/u/pwFoo)\ **Post date:** [February 21, 2016, 5:28pm UTC](https://forums.suse.com/t/rancheros-and-sound-module-missing-dev-snd/1799/1 "2016-02-21T17:28:28Z")
Hi, at the moment I playing with RancherOS as Desktop OS šŸ™‚ Created xorg / fluxbox container and starting terminal, file manager, chromium, ā€¦ as container works fine, but how to setup pulseaudio, because /dev/snd is missing. How to load needed modules with RancherOS? ---
**Author:** ![proteusguy](https://sea2.discourse-cdn.com/flex022/user_avatar/forums.suse.com/proteusguy/32/14_2.png) [@proteusguy](https://forums.suse.com/u/proteusguy)\ **Post date:** [February 23, 2016, 11:56pm UTC](https://forums.suse.com/t/rancheros-and-sound-module-missing-dev-snd/1799/2 "2016-02-23T23:56:18Z")
Iā€™m not entirely sure of the difficulties youā€™re running into but this person has posted a bunch of useful docker files for desktop users. Hereā€™s her pulseaudio setup: [https://github.com/jfrazelle/dockerfiles/tree/master/pulseaudio](https://github.com/jfrazelle/dockerfiles/tree/master/pulseaudio) Good luck, ā€“ Ben Scherrey ---
**Author:** ![ibuildthecloud](https://sea2.discourse-cdn.com/flex022/user_avatar/forums.suse.com/ibuildthecloud/32/8_2.png) [@ibuildthecloud](https://forums.suse.com/u/ibuildthecloud)\ **Post date:** [February 24, 2016, 12:48am UTC](https://forums.suse.com/t/rancheros-and-sound-module-missing-dev-snd/1799/3 "2016-02-24T00:48:54Z")
To run as a Desktop OS (which I personally do), you need to use a different kernel. The best starting place is typically a ubuntu kernel. In fact I wrote a script that will take the debs and convert them into a tag.gz needed for the RancherOS build. [https://github.com/rancher/os/blob/master/scripts/mk-kernel-tar-from-deb.sh](https://github.com/rancher/os/blob/master/scripts/mk-kernel-tar-from-deb.sh) ---
**Author:** ![pwFoo](https://sea2.discourse-cdn.com/flex022/user_avatar/forums.suse.com/pwfoo/32/2884_2.png) [@pwFoo](https://forums.suse.com/u/pwFoo)\ **Post date:** [February 24, 2016, 6:34am UTC](https://forums.suse.com/t/rancheros-and-sound-module-missing-dev-snd/1799/4 "2016-02-24T06:34:02Z")
Thanks, @ibuildthecloud. Wie take a look. @proteusguy Thanks, I know her builds. Tested some and also built own based on repos dockerfiles šŸ˜‰ ---
**Author:** ![pwFoo](https://sea2.discourse-cdn.com/flex022/user_avatar/forums.suse.com/pwfoo/32/2884_2.png) [@pwFoo](https://forums.suse.com/u/pwFoo)\ **Post date:** [February 25, 2016, 6:52am UTC](https://forums.suse.com/t/rancheros-and-sound-module-missing-dev-snd/1799/5 "2016-02-25T06:52:57Z")
Is it possible to get hw detection by udev working inside a container? Pulseaudio uses udev to detect the sound card. Do you have an example dockerfile for pulseaudio support, @ibuildthecloud? _UPDATE_ Found that blog post about udev support and have to test itā€¦ > **[udev events in containers](https://dummdida.tumblr.com/post/118770655240/udev-events-in-containers#_=_)** > > You can monitor events related to udev by using: > $ udevadm monitor And for fun you can trigger events by calling: > $ udevadm trigger --subsystem=net --action=change udev has actually two types of... > **[Re: udev events in a container](https://dummdida.tumblr.com/post/121087781445/re-udev-events-in-a-container)** > > It is possible to get udev events into the container. Just use --net=host -v /dev:/dev. > Thatā€™s it. ---
**Author:** ![pwFoo](https://sea2.discourse-cdn.com/flex022/user_avatar/forums.suse.com/pwfoo/32/2884_2.png) [@pwFoo](https://forums.suse.com/u/pwFoo)\ **Post date:** [April 6, 2016, 7:51pm UTC](https://forums.suse.com/t/rancheros-and-sound-module-missing-dev-snd/1799/6 "2016-04-06T19:51:17Z")
We have working sound (alsa, without pulseaudio) and wlan with a custom kernel and additional firmware by build a own iso. @ibuildthecloud Any plans to ship RancherOS with a more desktop friendly kernel? Would be great to Upgrade our ā€œRancherOS Desktopā€ fun build with `ros os upgrade` instead of custom scripts / ISOs to upgrade / reinstall. ---
**Author:** ![pwFoo](https://sea2.discourse-cdn.com/flex022/user_avatar/forums.suse.com/pwfoo/32/2884_2.png) [@pwFoo](https://forums.suse.com/u/pwFoo)\ **Post date:** [April 6, 2016, 7:56pm UTC](https://forums.suse.com/t/rancheros-and-sound-module-missing-dev-snd/1799/7 "2016-04-06T19:56:43Z")
šŸ˜€ [https://github.com/rancher/os-kernel/pull/12/commits/0e505d2f7dac1707057acf9e01c1c6211c34787c](https://github.com/rancher/os-kernel/pull/12/commits/0e505d2f7dac1707057acf9e01c1c6211c34787c) ---
**Author:** ![hobertony\_7](https://avatars.discourse-cdn.com/v4/letter/h/4bbf92/32.png) [@hobertony\_7](https://forums.suse.com/u/hobertony_7)\ **Post date:** [April 7, 2016, 8:18am UTC](https://forums.suse.com/t/rancheros-and-sound-module-missing-dev-snd/1799/8 "2016-04-07T08:18:14Z")
@pwFoo can you tell me how ro create xorg/fluxbox container? thank you ---
**Author:** ![pwFoo](https://sea2.discourse-cdn.com/flex022/user_avatar/forums.suse.com/pwfoo/32/2884_2.png) [@pwFoo](https://forums.suse.com/u/pwFoo)\ **Post date:** [April 8, 2016, 5:34am UTC](https://forums.suse.com/t/rancheros-and-sound-module-missing-dev-snd/1799/9 "2016-04-08T05:34:29Z")
Hi @hobertony_7, we try to separate services / images. First one is a image with xorg with video drivers and a custom 10-input.conf to get keyboard and mouse working. Maybe you have to do some configuration to get x-server starting dependent on your distribution you use (alpine works fine, debian needs a xwrapper modification, ā€¦). Based on that xorg image we build a fluxbox one with just fluxbox installed and a prepared xinitrc like that `[ā€¦] xinput enable Mouse0 xinput enable Keyboard0 exec startfluxbox` ā€œMouse0ā€ and ā€œKeyboard0ā€ matches the 10-input.conf xorg configuration. WIthout a working configuration you will have no keyboard and mouse. šŸ˜‰ A graphical docker container needs 1. display env variable set ā€œ-e DISPLAY=$DISPLAYā€ 2. each X Cointainer needs also shared /tmp/.X11-unix (share it as docker volume) to open a new app like chromium, keepassx, ā€¦ which we all create as separated images / containers. 3. Access to /dev/tty | /dev. To simplify we start with ā€œā€“privilegedā€ at the moment We also install some additional packages like usb-utils (usb devicesā€¦), xhost (needed to allow containers like chromium, keepass to use the x-server!), xrandr (dual monitor setup), xterm (basic terminal support inside), ā€¦ ---
**Author:** ![hobertony\_7](https://avatars.discourse-cdn.com/v4/letter/h/4bbf92/32.png) [@hobertony\_7](https://forums.suse.com/u/hobertony_7)\ **Post date:** [April 8, 2016, 7:01am UTC](https://forums.suse.com/t/rancheros-and-sound-module-missing-dev-snd/1799/10 "2016-04-08T07:01:13Z")
@pwFoo thank you for your reply, now we also try to separate services into different containers怂 I already know the approximate methodļ¼š 1, create a image with xorg, of course, need some special configuration, and the x windows system run in this container怂 2, base the image of xorg ,we craete a image with fluxbox, now in image we had install xorh and fluxbox. when we run the image we should add ā€œ-e DISPLAY=$DISPLAYā€ "-v /tmp/.X11-unix:/tmp/.X11-unix ā€œā€“privilegedā€. but according to what you say, the xorg and fluxbox run in docker container, but "-v /tmp/.X11-unix:/tmp/.X11-unix " mount ā€œ/tmp/.X11-unixā€ is on host. May I have a look at your Dockerfile fileļ¼Ÿ ---
**Author:** ![pwFoo](https://sea2.discourse-cdn.com/flex022/user_avatar/forums.suse.com/pwfoo/32/2884_2.png) [@pwFoo](https://forums.suse.com/u/pwFoo)\ **Post date:** [April 8, 2016, 7:28am UTC](https://forums.suse.com/t/rancheros-and-sound-module-missing-dev-snd/1799/11 "2016-04-08T07:28:54Z")
Instead of `-v /tmp/.X11-unix/:/tmp/.X11-unix` just use `-v /tmp/.X11-unix` to create the volume which isnā€™t mounted at the host. Application containers can use it by `--volumes-from `. /tmp/.X11-unix permissions have to be 1777 (with sticky bit!). Would be great to separate also the fluxbox and xorg processes (for example connected by tcp), but I donā€™t know how to do that. ---
**Author:** ![hobertony\_7](https://avatars.discourse-cdn.com/v4/letter/h/4bbf92/32.png) [@hobertony\_7](https://forums.suse.com/u/hobertony_7)\ **Post date:** [April 8, 2016, 8:16am UTC](https://forums.suse.com/t/rancheros-and-sound-module-missing-dev-snd/1799/12 "2016-04-08T08:16:43Z")
yea, I also want to know how do you playing rancheros as desktop os, if I can understand that the xorg/fluxbox and chromium in same container? ---
**Author:** ![pwFoo](https://sea2.discourse-cdn.com/flex022/user_avatar/forums.suse.com/pwfoo/32/2884_2.png) [@pwFoo](https://forums.suse.com/u/pwFoo)\ **Post date:** [April 22, 2016, 10:01pm UTC](https://forums.suse.com/t/rancheros-and-sound-module-missing-dev-snd/1799/13 "2016-04-22T22:01:44Z")
xorg, dbus, fluxbox, volumeicon, chromium and other apps running in separated containers. Basic Desktop (xorg, dbus, fluxbox, volumeicon is started as a RancherOS service. ---
**Author:** ![Cobraeti](https://avatars.discourse-cdn.com/v4/letter/c/9de0a6/32.png) [@Cobraeti](https://forums.suse.com/u/Cobraeti)\ **Post date:** [May 10, 2016, 9:23pm UTC](https://forums.suse.com/t/rancheros-and-sound-module-missing-dev-snd/1799/14 "2016-05-10T21:23:46Z")
Hi @pwFoo, Your ā€œBasic Desktopā€ (not so basic from my point of viewā€¦) seems amazing. This is exactly what I canā€™t manage to realise for my project, but I canā€™t find yourā€™s on docker hub. Have you already shared it? If not, is it plained? If also not, could you please give us (as Iā€™m sure that others should be interested) a hint concerning the elements you mount as data volumes to be able to access the hostā€™s hardware with xorg, dbus and fluxbox containers? I am trying to build a container that will use the hostā€™s screen to display apps like Xbmc/Kobi, so I could build a NAS that would also be a Media Center when needed ^^ ---
**Author:** ![pwFoo](https://sea2.discourse-cdn.com/flex022/user_avatar/forums.suse.com/pwfoo/32/2884_2.png) [@pwFoo](https://forums.suse.com/u/pwFoo)\ **Post date:** [May 12, 2016, 10:30am UTC](https://forums.suse.com/t/rancheros-and-sound-module-missing-dev-snd/1799/15 "2016-05-12T10:30:23Z")
At the moment I build some images which should be pushed soon to docker hub. Local build works with xorg, fluxbox, dbus and volumeicon (with console alsamixer). A shared passwd / shadow inside a docker volume. Terminator (terminal with ssh, docker), pcmanfm (sftp, smb support) and chromium. Display manager is replaced with a simple i3lock login šŸ™‚ slock, xlock or xscreensaver also could used instead of i3lock. ---
**Author:** ![pwFoo](https://sea2.discourse-cdn.com/flex022/user_avatar/forums.suse.com/pwfoo/32/2884_2.png) [@pwFoo](https://forums.suse.com/u/pwFoo)\ **Post date:** [May 22, 2016, 8:50am UTC](https://forums.suse.com/t/rancheros-and-sound-module-missing-dev-snd/1799/16 "2016-05-22T08:50:03Z")
I have problems with missing --group-add and --tmpfs support within rancher-composeā€¦ So it will need a workaround and canā€™t run as RancherOS os-service. ---
**Author:** ![hobertony\_7](https://avatars.discourse-cdn.com/v4/letter/h/4bbf92/32.png) [@hobertony\_7](https://forums.suse.com/u/hobertony_7)\ **Post date:** [May 24, 2016, 4:06am UTC](https://forums.suse.com/t/rancheros-and-sound-module-missing-dev-snd/1799/17 "2016-05-24T04:06:26Z")
Hiļ¼Œhave you push some images to docker hub?thank you ---
**Author:** ![bela](https://avatars.discourse-cdn.com/v4/letter/b/ecb155/32.png) [@bela](https://forums.suse.com/u/bela)\ **Post date:** [June 12, 2016, 1:50pm UTC](https://forums.suse.com/t/rancheros-and-sound-module-missing-dev-snd/1799/18 "2016-06-12T13:50:47Z")
@pwFoo & @ibuildthecloud if you actually have a running Desktop build on containers/ros ā€¦ I think that would make an interesting showcase for rancherOS & docker in general ā€¦ any plans you publish a how-to or something similar on this? ---
**Author:** ![joshwget](https://sea2.discourse-cdn.com/flex022/user_avatar/forums.suse.com/joshwget/32/704_2.png) [@joshwget](https://forums.suse.com/u/joshwget)\ **Post date:** [June 16, 2016, 4:28pm UTC](https://forums.suse.com/t/rancheros-and-sound-module-missing-dev-snd/1799/19 "2016-06-16T16:28:27Z")
The next version of RancherOS will definitely have better support for desktop systems. As soon as the release comes out and I get a working desktop setup for myself, Iā€™ll add a page about it in the docs! ---
**Author:** ![pwFoo](https://sea2.discourse-cdn.com/flex022/user_avatar/forums.suse.com/pwfoo/32/2884_2.png) [@pwFoo](https://forums.suse.com/u/pwFoo)\ **Post date:** [June 16, 2016, 6:38pm UTC](https://forums.suse.com/t/rancheros-and-sound-module-missing-dev-snd/1799/20 "2016-06-16T18:38:04Z")
Great! Canā€™t wait to get the next RancherOS release!!! šŸ™‚ We build images (dbus, xorg, fluxbox, chromium, ā€¦) and try to use unmodified RancherOS as base. [Next page](https://forums.suse.com/t/rancheros-and-sound-module-missing-dev-snd/1799.md?page=2)