[tbnort@euclid]~% su -c "yum update && yum upgrade"
Password: 
Could not retrieve mirrorlist http://mirrors.fedoraproject.org/mirrorlist?repo=fedora-8&arch=i386 error was
[Errno 14] HTTP Error 503: Service Temporarily Unavailable
Error: Cannot retrieve repository metadata (repomd.xml) for repository: fedora. Please verify its path and try again