Ubuntu中文论坛

ubuntu 16.04 更新最新的镜像源：

# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security main restricted universe multiverse

# 预发布软件源，不建议启用
# deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-proposed main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-proposed main restricted universe multiverse

但update时显示：

错误:1 https://mirrors.cqu.edu.cn/ubuntu xenial InRelease
Could not resolve host: mirrors.cqu.edu.cn
错误:2 https://mirrors.cqu.edu.cn/ubuntu xenial-updates InRelease
Could not resolve host: mirrors.cqu.edu.cn
错误:3 https://mirrors.cqu.edu.cn/ubuntu xenial-backports InRelease
Could not resolve host: mirrors.cqu.edu.cn
错误:4 https://mirrors.cqu.edu.cn/ubuntu xenial-security InRelease
Could not resolve host: mirrors.cqu.edu.cn
W: 无法下载 https://mirrors.cqu.edu.cn/ubuntu/dists ... /InRelease Could not resolve host: mirrors.cqu.edu.cn
W: 无法下载 https://mirrors.cqu.edu.cn/ubuntu/dists ... /InRelease Could not resolve host: mirrors.cqu.edu.cn
W: 无法下载 https://mirrors.cqu.edu.cn/ubuntu/dists ... /InRelease Could not resolve host: mirrors.cqu.edu.cn
W: 无法下载 https://mirrors.cqu.edu.cn/ubuntu/dists ... /InRelease Could not resolve host: mirrors.cqu.edu.cn
W: 部分索引文件下载失败。如果忽略它们，那将转而使用旧的索引文件。
E: dpkg 被中断，您必须手工运行 ‘sudo dpkg --configure -a’ 解决此问题。


lz是菜鸟……这是怎么回事啊？

使用命令
编辑源文件，把原内容删掉，把下面的复制进去。然后update

九天星 写了：使用命令

代码： 全选

sudo gedit /etc/apt/sources.list

编辑源文件，把原内容删掉，把下面的复制进去。然后update

代码： 全选

# deb cdrom:[Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2)]/ xenial main restricted

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://cn.archive.ubuntu.com/ubuntu/ xenial main restricted
# deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://cn.archive.ubuntu.com/ubuntu/ xenial-updates main restricted
# deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-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://cn.archive.ubuntu.com/ubuntu/ xenial universe
# deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial universe
deb http://cn.archive.ubuntu.com/ubuntu/ xenial-updates universe
# deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-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://cn.archive.ubuntu.com/ubuntu/ xenial multiverse
# deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial multiverse
deb http://cn.archive.ubuntu.com/ubuntu/ xenial-updates multiverse
# deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-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://cn.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse
# deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse

## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
# deb http://archive.canonical.com/ubuntu xenial partner
# deb-src http://archive.canonical.com/ubuntu xenial partner

deb http://security.ubuntu.com/ubuntu xenial-security main restricted
# deb-src http://security.ubuntu.com/ubuntu xenial-security main restricted
deb http://security.ubuntu.com/ubuntu xenial-security universe
# deb-src http://security.ubuntu.com/ubuntu xenial-security universe
deb http://security.ubuntu.com/ubuntu xenial-security multiverse
# deb-src http://security.ubuntu.com/ubuntu xenial-security multiverse
deb http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main
deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu precise main

您好，照您做的，update后出现：

错误:1 http://security.ubuntu.com/ubuntu xenial-security InRelease
暂时不能解析域名“security.ubuntu.com”
错误:2 http://ppa.launchpad.net/webupd8team/java/ubuntu trusty InRelease
暂时不能解析域名“ppa.launchpad.net”
错误:3 http://ppa.launchpad.net/webupd8team/java/ubuntu precise InRelease
暂时不能解析域名“ppa.launchpad.net”
错误:4 http://cn.archive.ubuntu.com/ubuntu xenial InRelease
暂时不能解析域名“cn.archive.ubuntu.com”
错误:5 http://cn.archive.ubuntu.com/ubuntu xenial-updates InRelease
暂时不能解析域名“cn.archive.ubuntu.com”
错误:6 http://cn.archive.ubuntu.com/ubuntu xenial-backports InRelease
暂时不能解析域名“cn.archive.ubuntu.com”
W: 无法下载 http://cn.archive.ubuntu.com/ubuntu/dis ... /InRelease 暂时不能解析域名“cn.archive.ubuntu.com”
W: 无法下载 http://cn.archive.ubuntu.com/ubuntu/dis ... /InRelease 暂时不能解析域名“cn.archive.ubuntu.com”
W: 无法下载 http://cn.archive.ubuntu.com/ubuntu/dis ... /InRelease 暂时不能解析域名“cn.archive.ubuntu.com”
W: 无法下载 http://security.ubuntu.com/ubuntu/dists ... /InRelease 暂时不能解析域名“security.ubuntu.com”
W: 无法下载 http://ppa.launchpad.net/webupd8team/ja ... /InRelease 暂时不能解析域名“ppa.launchpad.net”
W: 无法下载 http://ppa.launchpad.net/webupd8team/ja ... /InRelease 暂时不能解析域名“ppa.launchpad.net”
W: 部分索引文件下载失败。如果忽略它们，那将转而使用旧的索引文件。
E: dpkg 被中断，您必须手工运行 ‘sudo dpkg --configure -a’ 解决此问题。

请问这是还有问题吗？

已解决，之前选 “桥接模式” 网断了。。。。。
不过还是谢谢九天星 ！！！

打开网页正常？ http://cn.archive.ubuntu.com看能不能打开
http://mirrors.ustc.edu.cn

补充：遇到linux系统安装软件是有时会碰到“dpkg 被中断,您必须手工运行 sudo dpkg –configure -a解决此问题”，然而按照提示运行却并没能很好的解决问题。其实导致这个问题的主要原因是因为/var/lib/dpkg/updates文件下的文件有问题，可能是其他软件安装过程或是其他原因导致的，这里删除掉然后重建即可。sudo rm /var/lib/dpkg/updates/*