centos7替换阿里网易源(epel源)

# cd /etc/yum.repos.d
# cp CentOS-Base.repo CentOS-Base.repo_bak #备份
# wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo #下载阿里源

# wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.163.com/.help/CentOS7-Base-163.repo #下载网易源

# yum clean all #清除系统所有yum源

# yum makecache #生成yum缓存

# yum list | grep epel-release.noarch

# yum install epel-release.noarch #安装epel源

# wget -O /etc/yum.repos.d/epel-7.repo http://mirrors.aliyun.com/repo/epel-7.repo    # 下载阿里开源镜像的epel源文件

# yum clean all #清除系统所有yum源
# yum makecache #生成yum缓存




# yum repolist enabled #查看系统可用的yum源
# yum repolist all