CentOS更改yum源与更新系统

CentOS更改yum源与更新系统

1. 首先备份/etc/yum.repos.d/CentOS-Base.repo

mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup

2. 进入yum源配置文件所在文件夹

cd /etc/yum.repos.d/

3. 下载163的yum源配置文件，放入/etc/yum.repos.d/(操作前请做好相应备份)，同时

提供sohu源（wget http://mirrors.sohu.com/help/CentOS-Base-sohu.repo）

wget http://mirrors.163.com/.help/CentOS6-Base-163.repo

4. 运行yum makecache生成缓存

yum makecache

5. 更新系统

yum -y update

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为CentOS安装EPEL软件仓库

• EPEL全称: Extra Packages for Enterprise Linux.传说中最全的yum源

• 通过以下命令安装:

• CentOS 6.x 32-bit

rpm -Uvh http://mirror.overthewire.com.au/pub/epel/6/i386/epel-release-6-7.noarch.rpm

• CentOS 6.x 64-bit

rpm -Uvh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-7.noarch.rpm

• CentOS 5.x 32-bit

rpm -Uvh http://dl.fedoraproject.org/pub/epel/5/i386/epel-release-5-4.noarch.rpm

• CentOS 5.x 64-bit

rpm -Uvh http://dl.fedoraproject.org/pub/epel/5/x86_64/epel-release-5-4.noarch.rpm

想暂停使用EPEL，在下面的文件中设置enabled=0即可.

vim /etc/yum.repos.d/epel.repo