boot2docker/boot2docker — pull request #484 by SvenDowideit (2014-08-15 03:36:23+00:00)
Title: These commands can't be run more than once, so can't be in make_iso.sh

see https://github.com/boot2docker/boot2docker/blob/master/doc/BUILD.md#making-your-own-customised-boot2docker-iso

I use this to build extra testing ISO's for testing.