1.保证你的网络是正常的,能够正常访问外网(网络yum源)vim
2.下载wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo网络
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo(redhat 7.2)测试
3.设置修改 (6.8是最新的,可能后面还要跟新) sed -i 's/$releasever/6.8/g' /etc/yum.repos.d/CentOS-Base.repo url
(redhat 7.2)sed -i 's/$releasever/7.2.1511/g' /etc/yum.repos.d/CentOS-Base.repospa
4.执行下面命令 yum clean all yum list(redhat 会提示没有注册,但不影响)get
5.设置本地yum源sed
5.1 挂载光盘,设置启动自动挂载,删除原有的yum文件,编辑rhel6.repo(后缀必须是repo应该是仓库的意思)file
> [rhel6-source]下载
> name=rhel6-sourcegc
> baseurl=file:///mnt
> enabled=1
> gpgcheck=0
> EOF
执行下面命令 yum clean all yum list (搞定)
第二种办法:我测试过好用
二、替换Centos-Base.repo
[root~]#cd/etc/yum.repos.d
[root~]#mv ./CentOS-Base.repo ./CentOS-Base.repo.bak
[root~]#wget http://mirrors.163.com/.help/CentOS7-Base-163.repo
[root~]#mv CentOS6-Base-163.repo CentOS-Base.repo
[root~]#yum makecache