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。
修改CentOS默认yum源为mirrors.163.com
1、首先备份系统自带yum源配置文件/etc/yum.repos.d/CentOS-Base.repo
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[root@localhost ~]# mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup |
2、进入yum源配置文件所在的文件夹
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[root@localhost ~]# cd /etc/yum.repos.d/ |
3、下载163的yum源配置文件到上面那个文件夹内
CentOS7
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[root@localhost yum.repos.d]# wget http://mirrors.163.com/.help/CentOS7-Base-163.repo |
CentOS6
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[root@localhost yum.repos.d]# wget http://mirrors.163.com/.help/CentOS6-Base-163.repo |
CentOS5
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[root@localhost yum.repos.d]# wget http://mirrors.163.com/.help/CentOS5-Base-163.repo |
4、运行yum makecache生成缓存
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[root@localhost yum.repos.d]# yum makecache |
5、这时候再更新系统就会看到以下mirrors.163.com信息
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[root@localhost yum.repos.d]# yum -y update已加载插件：fastestmirror, refresh-packagekit, security设置更新进程Loading mirror speeds from cached hostfile* base: mirrors.163.com* extras: mirrors.163.com* updates: mirrors.163.com |
修改CentOS默认yum源为mirrors.aliyun.com
1、首先备份系统自带yum源配置文件/etc/yum.repos.d/CentOS-Base.repo
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[root@localhost ~]# mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup |
2、下载ailiyun的yum源配置文件到/etc/yum.repos.d/
CentOS7
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[root@localhost ~]# wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo |
CentOS6
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[root@localhost ~]# wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo |
CentOS5
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[root@localhost ~]# wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-5.repo |
3、运行yum makecache生成缓存
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[root@localhost ~]# yum makecache |
4、这时候再更新系统就会看到以下mirrors.aliyun.com信息
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[root@localhost ~]# yum -y update已加载插件：fastestmirror, refresh-packagekit, security设置更新进程Loading mirror speeds from cached hostfile* base: mirrors.aliyun.com* extras: mirrors.aliyun.com* updates: mirrors.aliyun.com |
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