[Lxc-users] Read-only container /proc

Andreas Laut andreas.laut at spark5.de
Wed Sep 18 13:22:42 UTC 2013


Ubuntu 13.04 comes with lxc 0.9?
I used same version (from debian testing) on wheezy and I have no 
problem with read only proc.

And my mount options are the same as yours, strange.
lxc.mount.entry                         = proc 
/srv/vserver/vs-db01-dev/rootfs/proc proc nodev,noexec,nosuid,ro 0 0

Regards,
Andreas

Am 18.09.2013 15:15, schrieb Andre Nathan:
> Hello
>
> In Ubuntu 12.04 I used to be able to create containers with this line in
> the container's fstab:
>
> proc /var/lib/lxc/test/rootfs/proc proc ro,nodev,noexec,nosuid 0 0
>
> Now in 13.04 I get the following error:
>
> $ sudo lxc-start -n test -f /var/lib/lxc/test/lxc.conf -lDEBUG -L
> /dev/stdout
> lxc-start: Permission denied - failed to create symlink for kmsg
> lxc-start: failed to setup kmsg for 'test'
> lxc-start: Read-only file system - failed to change apparmor profile to
> unconfined
> lxc-start: invalid sequence number 1. expected 4
> lxc-start: failed to spawn 'test'
>
> This happens even when apparmor is disabled for lxc-start.
>
> Just changing the "ro" to "rw" in fstab allows the container to start.
>
> Is is possible to have a read-only container /proc in newer LXC?
>
> Thanks,
> Andre
>
>
>
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