I am glad to announce CT console feature.
Available in RHEL6-based kernel since 042stab048.1, this feature is
pretty simple to use. Use vzctl attach CTID to attach to this
container's console, and you will be able to see all the messages CT
init is writing to console, or run getty on it, or anything else.
Please note that the console is persistent, i.e. it is available even if
a container is not running. That way, you can run vzctl attach and then
(in another terminal) vzctl start. That also means that if a container
is stopped, vzctl attach is still there.
Press Esc . to detach from the console.
The feature will be available in up-coming vzctl-3.0.31. I have just
made a nightly build of vzctl (version 3.0.30.2-18.git.a1f523f)
available so you can test this. Check
http://wiki.openvz.org/Download/vzctl/nightly for information of how to
get a nightly build.
For anyone interested in user-space implementation of this, check this
git commit:
http://git.openvz.org/?p=vzctl;a=commitdiff;h=a1f523f59a6e321ce2cc6dd42d0f5a660a712339
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