如何配置yum源及更新yum源列表

1，配置yum源：

进入yum源配置文件的目录
#cd /etc/apt/

备份sources.list文件
#mv sources.list sources.list.bak

编辑sources.list文件
#vim sources.list（先删除里面的全部内容）
插入以下内容（163yum源):

deb http://mirrors.163.com/ubuntu/ trusty main restricted universe multiverse

deb http://mirrors.163.com/ubuntu/ trusty-security main restricted universe multiverse

deb http://mirrors.163.com/ubuntu/ trusty-updates main restricted universe multiverse

deb http://mirrors.163.com/ubuntu/ trusty-proposed main restricted universe multiverse

deb http://mirrors.163.com/ubuntu/ trusty-backports main restricted universe multiverse

deb-src http://mirrors.163.com/ubuntu/ trusty main restricted universe multiverse

deb-src http://mirrors.163.com/ubuntu/ trusty-security main restricted universe multiverse

deb-src http://mirrors.163.com/ubuntu/ trusty-updates main restricted universe multiverse

deb-src http://mirrors.163.com/ubuntu/ trusty-proposed main restricted universe multiverse

deb-src http://mirrors.163.com/ubuntu/ trusty-backports main restricted universe multiverse

2,配置好yum源后，更新软件包列表：
apt-get update

3，期间会提示是否接受，按“y”，并回车

4，完成Ubuntu配置yum源