删除redhat原有的yum
rpm -aq|grep yum|xargs rpm -e –nodeps
下载yum安装文件
wget http://mirrors.163.com/centos/6.6/os/i386/Packages/yum-3.2.29-30.el6.centos.noarch.rpm wget http://mirrors.163.com/centos/6.6/os/i386/Packages/yum-metadata-parser-1.1.2-16.el6.i686.rpm wget http://mirrors.163.com/centos/6.6/os/i386/Packages/yum-plugin-fastestmirror-1.1.30-14.el6.noarch.rpm wget http://mirrors.163.com/centos/6.6/os/i386/Packages/python-iniparse-0.3.1-2.1.el6.noarch.rpm 进行安装yum rpm -ivh python* rpm -ivh yum*更改yum源 #我们使用网易的CentOS镜像源
cd /etc/yum.repos.d/ wget http://mirrors.163.com/.help/CentOS6-Base-163.repo vim CentOS6-Base-163.repo #编辑文件 把文件里面的$releasever全部替换为版本号,即6.6最后保存!:%s/$releasever/6.6/g
用上面的这个命令一次性替换
yum clean all #清理yum缓存
yum makecache #将服务器上的软件包信息缓存到本地,以提高搜索安装软件的速度 yum install gcc
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