Centos update source

Centos update source centors 1, # cd/etc/yum. repos. d2, # cp CentOS-Base.repo CentOS-Base_backpag.repo // back up the current source 3, # wget http://mirrors.163.com/.help/CentOS6-Base-163.repo // direct 163 download related source 4, # ll-rw-r --. 1 root 2006 Aug 31 2011 CentOS6-Base-163.repo.1 // This is what we want (163 source)-rw-r --. 1 root 2006 Aug 31 2011 CentOS-Base.repo-rw-r -- r --. 1 root 1926 Oct 5 CentOS-Base.repo-backpag-rw-r -- r --. 1 root 637 Jun 26 CentOS-Debuginfo.repo-rw-r -- r --. 1 root 626 Jun 26 CentOS-Media.repo-rw-r -- r --. 1 root 2593 Jun 26 CentOS-Vault.repo5, # mv CentOS6-Base-163.repo.1 CentOS-Base.repo // Replace the current source 6, # yum update