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ubuntu软件源 sudo apt-get update更新列表
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#电子科技大学</p> <p>deb http://ubuntu.uestc.edu.cn/ubuntu/ quantal main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/ quantal-backports main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/ quantal-proposed main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/ quantal-security main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/ quantal-updates main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ quantal main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ quantal-backports main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ quantal-proposed main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ quantal-security main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ quantal-updates main restricted universe multiverse</p> <p># sohu 更新服务器：
deb http://mirrors.sohu.com/ubuntu/ karmic main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ karmic-security main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ karmic-updates main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ karmic-proposed main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ karmic-backports main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ karmic main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ karmic-security main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ karmic-updates main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ karmic-proposed main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ karmic-backports main restricted universe multiverse</p> <p># 骨头兄亲自搭建并维护这个Ubuntu源（该源位于浙江杭州百兆共享宽带的电信机房)：
deb http://ubuntu.srt.cn/ubuntu/ karmic main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ karmic-security main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ karmic-updates main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ karmic-proposed main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ karmic-backports main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ karmic main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ karmic-security main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ karmic-updates main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ karmic-proposed main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ karmic-backports main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu/ubuntu-cn karmic main restricted universe multiverse</p> <p># Archive.ubuntu.com更新服务器（欧洲，此为官方源，电信网通用户使用)：
deb http://archive.ubuntu.com/ubuntu/ karmic main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ karmic-security main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ karmic-updates main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ karmic-proposed main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ karmic-backports main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ karmic main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ karmic-security main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ karmic-updates main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ karmic-proposed main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ karmic-backports main restricted universe multiverse</p> <p># Mirrors.shlug.org更新服务器（电信服务器，Ubuntu China Official Mirror, maintained by Shanghai Linux User Group）：
deb http://cn.archive.ubuntu.com/ubuntu karmic main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu karmic-security main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu karmic-updates main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu karmic-backports main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu karmic-proposed main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu karmic main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu karmic-security main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu karmic-updates main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu karmic-backports main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu karmic-proposed main restricted universe multiverse</p> <p># Mirror.lupaworld.com更新服务器（浙江省杭州市双线服务器）：
deb http://mirror.lupaworld.com/ubuntu karmic main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu karmic-security main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu karmic-updates main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu karmic-backports main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu karmic-proposed main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu karmic main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu karmic-security main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu karmic-updates main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu karmic-backports main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu karmic-proposed main restricted universe multiverse
执行命令更新
sudo apt-get update
使用sudo apt-get update问题总结
sudo apt-get update
显示为
E: 无法获得锁 /var/lib/apt/lists/lock - open (11 Resource temporarily unavailable)
E: 无法对状态列表目录加锁
直接把lock 文件删除就是了..
sudo rm /var/lib/apt/lists/lock
我在网上查了一下，还有下面方法
先查看一下是否有使用apt-get的程序,终端输入:ps -aux,找到使用apt-get的程序(最后一列),查看其PID号,然后杀死其进程,输入sudo kill PID,然后升级一下软件源,sudo apt-get update,sudo apt-get dist-update.
Ubuntu 更新软件源出错问题
当执行sudo apt-get update来更新软件源时，若出现以下类似错误： Failed to fetch http://cn.archive.ubuntu.com/ubuntu/dists/maverick/Release.gpg Something wicked happened resolving 'cn.archive.ubuntu.com:http' (-5 - No address associated with hostname)
说明DNS解析出现了问题，应着重查看以下方面：
1. cat /etc/resolv.conf
查看里面的domain, search和nameserver配置是否正确。
若通过代理上网，请查看：
2. cat /etc/apt/apt.conf
在里面添加设置：
Acquire::http::proxy "http://xxxxx.xxxxx.xxxx:1080" , 注意是http, 不是https
3. 查看 “系统”--> “首选项”--> “网络代理”，里面的代理是否设置正确