Hi Christoph,<br> Tried as you said. When the app tries to open the device (/dev/video0) it throws an errror "Error opening /dev/video0 : Operation not Permitted"<br><br><div class="gmail_quote">
On Thu, Nov 29, 2012 at 11:32 AM, Christoph Willing <span dir="ltr"><<a href="mailto:cwilling@users.sourceforge.net" target="_blank">cwilling@users.sourceforge.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style="word-wrap:break-word"><div>I have a different camera setup in a container but the method in your case should be similar, I think. In my container's /etc/fstab I have a line:</div><div> /dev/blackmagic/card0 /var/lib/lxc/agvideo/rootfs/dev/blackmagic/card0 none rw,bind 0 0</div>
<div>(where agvideo is the container name)</div><div><br></div><div>You might instead need something like:</div><div> /dev/video0 /var/lib/lxc/agvideo/rootfs/dev/video0 none rw,bind 0 0</div><div><br></div><div>The stab is referenced in the config file by a line:</div>
<div> lxc.mount = /var/lib/lxc/agvideo/rootfs/etc/fstab</div><div><br></div><div>You can mknod the container's video device while it is not running - something like:</div><div> cd /var/lib/lxc/agvideo/rootfs/dev</div>
<div> mknod -m 660 video0 c 81 0</div><div><br></div><div><br></div><div>chris</div><div><br></div><div><br><div><div><div class="h5"><div>On 29/11/2012, at 3:14 PM, vignesh kumar <<a href="mailto:vigneshkumar86@gmail.com" target="_blank">vigneshkumar86@gmail.com</a>> wrote:</div>
<br></div></div><blockquote type="cite"><div><div class="h5">Hi,<br> I have added the line as you mentioned and restarted the container as well. Still getting the same issue.<br><br><div class="gmail_quote">On Wed, Nov 28, 2012 at 8:23 PM, Serge Hallyn <span dir="ltr"><<a href="mailto:serge.hallyn@canonical.com" target="_blank">serge.hallyn@canonical.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>Quoting vignesh kumar (<a href="mailto:vigneshkumar86@gmail.com" target="_blank">vigneshkumar86@gmail.com</a>):<br>
> Hi,<br>
> I am using a lxc-ubuntu container in a ubuntu 11.10 host OS. An<br>
> application running in a container requires camera access . Currently<br>
> I have a USB based webcam which mount as /dev/video0 in my host.I<br>
> tried giving access to the device by adding the line<br>
> "lxc.cgroup.allow=c 81:0 rwm" in my lxc config file. But still getting<br>
<br>
</div>this needs to be lxc.cgroup.devices.allow<br>
<div><br>
> error msg "mknod:/dev/video0 Operation not permitted" in my container.<br>
> Can anyone give me a solution in accessing camera inside a container?<br>
<br>
</div>Did you stop and re-start your container after adding that line to<br>
your config?<br>
<span><font color="#888888"><br>
-serge<br>
</font></span></blockquote></div><br></div></div>
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