오랜만에 yum install 명령을 쳤더니 이와 같은 오류가 발생했다. YumRepo Error: All mirror URLs are not using ftp, http[s] or file. 정확히는 Loaded plugins: fastestmirror Setting up Install Process Determining fastest mirrors YumRepo Error: All mirror URLs are not using ftp, http[s] or file. Eg. Invalid release/repo/arch combination/ removing mirrorlist with no valid mirrors: /var/cache/yum/x86_64/6/base/mirrorlist.txt Err..