docker articles&videos
https://github.com/docker/docker
https://channel9.msdn.com/Blogs/containers?page=2
https://blog.docker.com/author/solomon/
http://tiewei.github.io/cloud/Docker-Getting-Start/
http://tiewei.github.io/devops/howto-use-cgroup/
Control groups series by Neil Brown
http://lwn.net/Articles/604609/
http://www.ibm.com/developerworks/linux/library/l-lxc-containers/
http://tech.meituan.com/cgroups.html
https://www.kernel.org/doc/Documentation/cgroup-v1/cgroups.txt
http://lwn.net/Articles/527342/
Namespaces in operation, part 1: namespaces overview
