Currently, the Yocto Project is supported on the following distributions:
Ubuntu 10.04.4 LTS
Ubuntu 11.10
Ubuntu 12.04.1 LTS
Ubuntu 12.04.1 LTS
Ubuntu 12.10
Fedora release 16 (Verne)
Fedora release 17 (Beefy Miracle)
Fedora release 18 (Spherical Cow)
CentOS release 5.6 (Final)
CentOS release 5.7 (Final)
CentOS release 5.8 (Final)
CentOS release 6.3 (Final)
Debian GNU/Linux 6.0.6 (squeeze)
openSUSE 11.4
openSUSE 12.1
openSUSE 12.2