[root@home ~]#  uname -i 또는 -m x86_64 64bit

[root@home ~]# yum update Loading “security” plugin YumRepo Warning: not using ftp, http[s], or file for repos, skipping – 5.4 is not a valid release or hasnt been released yet removing mirrorlist with no valid mirrors: //var/cache/yum/base/mirrorlist.txt Error: Cannot retrieve repository metadata (repomd.xml) for repository: base. Please verify its path and try again => 초기… Read More »