There is also a little tool in libcontainer that I use for testing and prototyping called nsinit. You can build and use it to spawn processes inside existing c

There is also a little tool in libcontainer that I use for testing and prototyping called nsinit. You can build and use it to spawn processes inside existing containers. https://asciinema.org/a/8090 https://asciinema.org/a/8090 Like shykes said, this functionality should make it into docker soon.