Ubuntu apt-get 源设置国内镜像源

1. 原文件备份

sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak

2. 编辑源列表文件

sudo gedit /etc/apt/sources.list

3. 替换镜像源

deb http://mirrors.aliyun.com/ubuntu/ trusty main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ trusty-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ trusty-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ trusty-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-backports main restricted universe multivers
deb http://mirrors.aliyun.com/ubuntu/ trusty-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-proposed main restricted universe multiverse

其中: trusty是版本代号, 不同版本此处不同

4. 更新

sudo apt-get update

5. 若出现如下异常

E: 无法获得锁 /var/lib/apt/lists/lock - open (11: 资源暂时不可用)
E: 无法对目录 /var/lib/apt/lists/ 加锁

• 处理方法(上一次未更新完导致)

sudo rm /var/lib/apt/lists/lock