[Lxc-users] Executing a command inside a running container?
daniel.lezcano at free.fr
Sun Jan 31 22:00:51 UTC 2010
Michael H. Warfield wrote:
> On Sat, 2010-01-30 at 14:20 +0100, Dominik Schulz wrote:
>> I'm fairly new to LXC and I am looking for a way to execute a command inside a
>> running container (a full blow one with its own rootfs and full isolation).
>> lxc-execute doesn't seem to do the trick and lxc-console requires credential
>> to login. I'm looking for a way to execute command w/o having to login via ssh
>> or the lxc-console, so I can execute command directly inside the containers to
>> shut them down properly.
> This is being worked on and looked at now through the use of some sort
> of daemon in the running container but is not currently possible. More
> over, cgroups in the kernel does not currently support joining an active
> cgroup, and may never support it, so it would have to be done through
> the mediation of some sort of daemon in the running container and
> communicating with the host. There's been discussion on the -devel list
> over the optimal way to do it and there are some patches running around
> but AFAICT nothing has really been committed or committed to at this
Yes, this is on the way, but the container console has to be solved
first to address the console output in a global manner and then the
daemon will follow.
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