I've been doing a lot with LXC containers for the past couple years.
One potentially very interesting use of LXC is to implement x2go so each user on a single Host PC can have their own LXC container, their own "desktop" (lxde, xfce, mate etc), install their own applications etc all without any changes to the Host OS or interfering with other user's and their container based Desktop environment.
If you are not familiar with LXC ... some of you may have read about Docker lately. Docker is based on LXC.
There are many great benefits of LXC virtualization vs the hardware virtualization provided by vmware, kvm, virtualbox. Just a few are:
- LXC is an order of magnitude faster from a performance perspective since there is no hardware virtualization involved
- LXC containers can be created/cloned in seconds
- LXC container's share the HOST OS's kernel so Host PC resource utilization is much less
Anyway, LXC containers are extremely easy to create.
But a default LXC container is usually used for "server" linux applications. But its simple to add any "desktop" environment you want to that server then also add x2goserver, x2goserver-xsession after which that LXC container becomes a great x2go server environment for a user. It is isolated from the Host OS, you can change whatever you want in it and the Host OS is unaffected.
Anyway, the point of this note was to describe one area that took a while to figure out.
LXC Containers as mentioned previous were primarily designed for "server" not "desktop" use-cases.
As such "sound" was not enabled by default in new LXC containers.
note: In LXC any Host OS resource is or is not permitted through use of a CGROUP file for each created Container
Even using the Docker "desktop" example: http://blog.docker.io/2013/07/docker-desktop-your-desktop-over-ssh-running-i...
Sound does not work by default.
After 3 weeks of researching, trying various ideas of how to enable sound I finally got it working after some careful reading of the pulseaudio.orgwebsite.
I documented how to configure x2go and another post on configuring PulseAudio in the LXC Container to provide Sound on my WordPress blog so to not duplicate things you can find the information here:
Hi Brian,
On Mi 20 Nov 2013 13:33:10 CET, brian mullan wrote:
I've been doing a lot with LXC containers for the past couple years.
One potentially very interesting use of LXC is to implement x2go so each user on a single Host PC can have their own LXC container, their own "desktop" (lxde, xfce, mate etc), install their own applications etc all without any changes to the Host OS or interfering with other user's and their container based Desktop environment.
If you are not familiar with LXC ... some of you may have read about Docker lately. Docker is based on LXC.
There are many great benefits of LXC virtualization vs the hardware virtualization provided by vmware, kvm, virtualbox. Just a few are:
- LXC is an order of magnitude faster from a performance perspective since there is no hardware virtualization involved
- LXC containers can be created/cloned in seconds
- LXC container's share the HOST OS's kernel so Host PC resource utilization is much less
Anyway, LXC containers are extremely easy to create.
But a default LXC container is usually used for "server" linux applications. But its simple to add any "desktop" environment you want to that server then also add x2goserver, x2goserver-xsession after which that LXC container becomes a great x2go server environment for a user. It is isolated from the Host OS, you can change whatever you want in it and the Host OS is unaffected.
Anyway, the point of this note was to describe one area that took a while to figure out.
LXC Containers as mentioned previous were primarily designed for "server" not "desktop" use-cases.
As such "sound" was not enabled by default in new LXC containers.
note: In LXC any Host OS resource is or is not permitted through use of a CGROUP file for each created Container
Even using the Docker "desktop" example: http://blog.docker.io/2013/07/docker-desktop-your-desktop-over-ssh-running-i...
Sound does not work by default.
After 3 weeks of researching, trying various ideas of how to enable sound I finally got it working after some careful reading of the
pulseaudio.orgwebsite.I documented how to configure x2go and another post on configuring PulseAudio in the LXC Container to provide Sound on my WordPress blog so to not duplicate things you can find the information here:
Thanks for contributing this!!!
Mike
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