deb http:
//mirrors.aliyun.com/ubuntu trusty main restricted
deb-src http:
//mirrors.aliyun.com/ubuntu trusty main restricted
## Major bug fix updates produced after the
final
release of the
## distribution.
deb http:
//mirrors.aliyun.com/ubuntu trusty-updates main restricted
deb-src http:
//mirrors.aliyun.com/ubuntu trusty-updates main restricted
## N.B. software from
this
repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb http:
//mirrors.aliyun.com/ubuntu trusty universe
deb-src http:
//mirrors.aliyun.com/ubuntu trusty universe
deb http:
//mirrors.aliyun.com/ubuntu trusty-updates universe
deb-src http:
//mirrors.aliyun.com/ubuntu trusty-updates universe
## N.B. software from
this
repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http:
//mirrors.aliyun.com/ubuntu trusty multiverse
deb-src http:
//mirrors.aliyun.com/ubuntu trusty multiverse
deb http:
//mirrors.aliyun.com/ubuntu trusty-updates multiverse
deb-src http:
//mirrors.aliyun.com/ubuntu trusty-updates multiverse
## N.B. software from
this
repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
deb http:
//mirrors.aliyun.com/ubuntu trusty-backports main restricted universe multiverse
deb-src http:
//mirrors.aliyun.com/ubuntu trusty-backports main restricted universe multiverse
deb http:
//security.ubuntu.com/ubuntu trusty-security main restricted
deb-src http:
//security.ubuntu.com/ubuntu trusty-security main restricted
deb http:
//security.ubuntu.com/ubuntu trusty-security universe
deb-src http:
//security.ubuntu.com/ubuntu trusty-security universe
deb http:
//security.ubuntu.com/ubuntu trusty-security multiverse
deb-src http:
//security.ubuntu.com/ubuntu trusty-security multiverse
使用方法：
1.备份源配置文件 sudo cp /etc/apt/sources.list /etc/apt/sources.list_backup
2.用编辑器打开源配置文件 sudo gedit /etc/apt/sources.list
3.删除文件内容，更换为以上内容
