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* Kernel 3.10.0-327.18.2.vz7.14.7 or later version
* Kernel modules '''veth''' and '''overlay''' loaded on host
To enable '''veth''' and '''overlay''' modules please run:
modprobe veth
modprobe overlay
'''Note:''' if you use kernel >= 3.10.0-327.18.2.vz7.14.25, you need to allow using "overlayfs" inside a Virtuozzo Container:
echo 1 > /proc/sys/fs/experimental_fs_enable
This is a temporary step, it will be dropped once overlayfs is proved to be absolutely safe to run in any vz7 Container.
== Limitations ==
* Only '''overlay''' and '''vfs''' Docker graph drivers are currently supported. Recommended driver is '''overlay'''. To enable '''overlayfs''' Storage Driver for docker engine inside CT please read here https://docs.docker.com/engine/userguide/storagedriver/selectadriver/
* [[Checkpointing and live migration]] of a container with Docker containers inside is not supported yet (to be done)
== Container tuning ==
* Turn on '''bridge''' feature to allow docker creating bridged networkinside container: vzctl prlctl set $veid --features bridge:on --save
* Setup Container veth-based network (Container must be '''veth'''-based, not '''venet'''-based):
* Allow all iptables modules to be used in containers:
== Limitations Docker install ==
[[Category:HOWTO]]
[[Category: TRD]]
