centos-5.11
centos-6.3
centos-6.4
centos-6.5
centos-6.6
centos-6.7
centos-6.8
centos-7.0
centos-7.1
centos-7.2
centos-7.3
centos-7.4
ubuntu-14.04
ubuntu-14.04-lts-utopic
ubuntu-14.04-lts-vivid
ubuntu-14.04-lts-wily
ubuntu-14.04-lts-xenial
ubuntu-16.04
debian-7.11.0
debian-8.9.0
debian-9.1.0