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Since OpenVZ kernel [[Download/kernel/rhel6-testing/042stab105.4|042stab105.4]] it is possible to run Docker inside containers. This article describes how or .<br>'''This page is applicable for OpenVZ 6''' (for Virtuozzo 7 see [http://www.youtube.com/watch?v=rh4oPpLtdYc demo video[Docker inside CT vz7| '''here''']]).
== Prerequisites ==
yum -y install docker-io
* Start docker daemon
dockerd -s vfsor change line in /etc/sysconfig/docker to: OPTIONS='--d selinux-enabled -s vfs'and service docker start
== Example usage ==
* [[Checkpointing and live migration]] of a container with Docker containers inside is not supported
* Bridges cannot be created inside Docker containers running inside OpenVZ container
* Only works with docker versions 1.10 or older. Newer versions will return an error: "Your Linux kernel version 2.6.32-042stab123.2 is not supported for running docker. Please upgrade your kernel to 3.10.0 or newer." (i.e. switch to [[Quick_installation|Virtuozzo 7]] or later)
== See also ==
* [http://www.youtube.com/watch?v=rh4oPpLtdYc Docker inside CT demo video].
[[Category:HOWTO]]
[[Category: TRD]]
