最新源看：http://forum.ubuntu.org.cn/viewtopic.php?t=470013
以下来源：http://www.linuxdiyf.com/viewarticle.php?id=422624
搜狐源：
|
CODE:
deb http://mirrors.sohu.com/ubuntu/ vivid main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ vivid-security main restricted universe multiverse deb http://mirrors.sohu.com/ubuntu/ vivid-updates main restricted universe multiverse deb http://mirrors.sohu.com/ubuntu/ vivid-proposed main restricted universe multiverse deb http://mirrors.sohu.com/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirrors.sohu.com/ubuntu/ vivid main restricted universe multiverse deb-src http://mirrors.sohu.com/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirrors.sohu.com/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirrors.sohu.com/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirrors.sohu.com/ubuntu/ vivid-backports main restricted universe multiverse |
阿里云源：
|
CODE:
deb http://mirrors.aliyun.com/ubuntu/ vivid main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ vivid-security main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ vivid-updates main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ vivid-proposed main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ vivid main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ vivid-backports main restricted universe multiverse |
网易源：
|
CODE:
deb http://mirrors.163.com/ubuntu/ vivid main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ vivid-security main restricted universe multiverse deb http://mirrors.163.com/ubuntu/ vivid-updates main restricted universe multiverse deb http://mirrors.163.com/ubuntu/ vivid-proposed main restricted universe multiverse deb http://mirrors.163.com/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirrors.163.com/ubuntu/ vivid main restricted universe multiverse deb-src http://mirrors.163.com/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirrors.163.com/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirrors.163.com/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirrors.163.com/ubuntu/ vivid-backports main restricted universe multiverse |
快速换源更新到Ubuntu 15.04的方法，执行：
| QUOTE: |
| sudo sed -i ‘s/utopic/vivid/’ /etc/apt/sources.list sudo apt-get update sudo apt-get dist-upgrade |
另一方法：
刷新源：sudo apt-get update
更新：sudo update-manager -c -d
Ubuntu 15.04 Vivid Vervet，就是这样来得容易。
