yumrepo error all mirror urls are not using ftp http s or file. centos 6.9
# yum update Loaded plugins: aliases, changelog, fastestmirror, kabi, ovl, presto, refresh-packagekit, security, tmprepo, verify, versionlock Loading support for CentOS kernel ABI Setting up Update Process Loading mirror speeds from cached hostfile YumRepo Error: All mirror URLs are not using ftp, http[s] or file. Eg. Invalid release/repo/arch combination/ removing mirrorlist with no valid mirro..