linux 6 怎么配置yum源在线升级

以本地ISO镜像为例，进行yum源配置。 执行命令：mount -o loop /soft/rhel5.3x64.iso /mnt ，将ISO镜像挂载到/mnt目录下。 cd 到/etc/yum.repos.d 目录下建立以".repo"结尾的文件，这里我建立的是server.repo。按下图进行配置，默认ISO镜像里有...

有时候CentOS默认的yum源不一定是国内镜像，导致yum在线安装及更新速度不是很理想。这时候需要将yum源设置为国内镜像站点。国内主要开源的开源镜像站点应该是网易和阿里云了。

[wujiahao@47.98.32.222 ~]# mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup

[wujiahao@47.98.32.222 ~]]# cd /etc/yum.repos.d/

[wujiahao@47.98.32.222 yum.repos.d]# wget http://mirrors.163.com/.help/CentOS7-Base-163.repo

[wujiahao@47.98.32.222 yum.repos.d]# wget http://mirrors.163.com/.help/CentOS6-Base-163.repo

[wujiahao@47.98.32.222 yum.repos.d]# wget http://mirrors.163.com/.help/CentOS5-Base-163.repo

[wujiahao@47.98.32.222 yum.repos.d]# yum makecache

[wujiahao@47.98.32.222 yum.repos.d]# yum -y update

[wujiahao@47.98.32.222 ~]# mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup

[wujiahao@47.98.32.222 ~]# wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

[wujiahao@47.98.32.222 ~]# wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo

[wujiahao@47.98.32.222 ~]# wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-5.repo

[wujiahao@47.98.32.222 ~]# yum makecache

[wujiahao@47.98.32.222 ~]# yum -y update

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