On 09/21/2015 10:48 AM, Jason Welsh wrote: > http://mirror.centos.org/centos/%24releasever/os/x86_64/repodata/repomd.xml: > [Errno 14] HTTP Error 404 - Not Found > Trying other mirror. > > now where does centos get this variable from that's getting messed up? Weird. %24 is a URL-encoded representation of '$', which is what would normally be in that position. Look closely at the baseurl definition in [base]. It's normally commented out in favor of the mirrorlist, anyway: [base] name=CentOS-$releasever - Base mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo =os&infra=$infra #baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/ ...