https://blog.offline-net.com/2011/08/19/fedora-frdora-core-6-ppc%e7%89%88-fedora-7-ppc%e7%89%88-%e3%82%a2%e3%83%83%e3%83%97%e3%82%b0%e3%83%ac%e3%83%bc%e3%83%89%e3%83%a1%e3%83%a2/