[lxc-devel] Ubuntu Karmic container

[Daniel Lezcano]

Elias Olivares wrote:
> Hi ! 
>
> Here a new bug installing ubuntu karmic into a container : 
>
> I've installed karmic with debootstrap and when i try to run the container , it don't and this error message appears on the screen : 
>
> mountall:/dev/ppp: Operation not permitted 
> mountall:/dev/net/tun: Operation not permitted 
> mountall:/dev/loop0: Operation not permitted 
>
> But the container seems to run : 
>
> host# lxc-info -n karmic 
> 'karmictest.1g6.biz' is RUNNING 
>
> The command lxc-ls seems to be broken : (it show 2 times the container) 
>
> vms:/mnt/vz# lxc-ls 
> karmictest 
> karmictest 
>   
Yes, that was reported one time, it's displayed twice because it is 
created and because it is running.
I guess there is some polishing to do with this command.

> My container configuration file : 
>
> lxc.utsname = karmictest 
> lxc.tty = 4 
> lxc.pts = 1024 
> lxc.network.type = veth 
> lxc.network.flags = up 
> lxc.network.link = br0 
> lxc.network.name = eth0 
> lxc.network.mtu = 1500 
> #lxc.mount = 
> lxc.rootfs = /mnt/vz/karmictest 
>   
Can you try by disabling the cgroup.devices section below and try to 
start the container ?
If you can start it, it is probable you have to allow more devices to be 
created within the container, (eg : b 7 0 for the loop0)

> lxc.cgroup.devices.deny = a 
> # /dev/null and zero 
> lxc.cgroup.devices.allow = c 1:3 rwm 
> lxc.cgroup.devices.allow = c 1:5 rwm 
> # consoles 
> lxc.cgroup.devices.allow = c 5:1 rwm 
> lxc.cgroup.devices.allow = c 5:0 rwm 
> lxc.cgroup.devices.allow = c 4:0 rwm 
> lxc.cgroup.devices.allow = c 4:1 rwm 
> # /dev/{,u}random 
> lxc.cgroup.devices.allow = c 1:9 rwm 
> lxc.cgroup.devices.allow = c 1:8 rwm 
> lxc.cgroup.devices.allow = c 136:* rwm 
> lxc.cgroup.devices.allow = c 5:2 rwm 
> # rtc 
> lxc.cgroup.devices.allow = c 254:0 rwm 
>