On 12/15/11 12:23, Roger Leigh wrote:
> On Thu, Dec 15, 2011 at 11:50:40AM +0100, Harald Dunkel wrote:
>> PS: A similar problem exists for /etc/init.d/umountroot.
>> It remounts the lxc root partition read-only, which affects
>> the host system. This is a severe problem.
>>
>> The workaround is to disable both startup scripts in
>> /etc/insserv/overrides.
>
> Does "ischroot" correctly detect an lxc container? i.e.
>
> ischroot; echo $?
>
No, it doesn't:
root@vs001:~# ischroot
root@vs001:~# echo $?
1
(This is Squeeze. ischroot is not available in Squeeze,
but it built fine.)
AFAIK /proc/1/cgroup shows in lxc
root@vs001:~# cat /proc/1/cgroup
1:blkio,net_cls,freezer,devices,cpuacct,cpu,ns,cpuset:/vs001
"vs001" is the container name. On the host system I see
srvl028:/var/lib/lxc# cat /proc/1/cgroup
1:blkio,net_cls,freezer,devices,cpuacct,cpu,ns,cpuset:/
instead. But I doubt that this is a stable method to detect lxc.
Regards
Harri
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