方法一：通过脚本更换源 1.备份原来的源
sudo cp /etc/apt/sources.list /etc/apt/sources_init.list
将原来的源保留一下，以后想用还可以继续用 2.更换源
sudo gedit /etc/apt/sources.list
使用gedit打开文档，将下面的阿里源复制进去，点击保存然后关闭文件 阿里源
deb ubuntu安装包下载_开源镜像站-阿里云 xenial main deb-src ubuntu安装包下载_开源镜像站-阿里云 xenial main
deb ubuntu安装包下载_开源镜像站-阿里云 xenial-updates main deb-src ubuntu安装包下载_开源镜像站-阿里云 xenial-updates main
deb ubuntu安装包下载_开源镜像站-阿里云 xenial universe deb-src ubuntu安装包下载_开源镜像站-阿里云 xenial universe deb ubuntu安装包下载_开源镜像站-阿里云 xenial-updates universe deb-src ubuntu安装包下载_开源镜像站-阿里云 xenial-updates universe
deb ubuntu安装包下载_开源镜像站-阿里云 xenial-security main deb-src ubuntu安装包下载_开源镜像站-阿里云 xenial-security main deb ubuntu安装包下载_开源镜像站-阿里云 xenial-security universe deb-src ubuntu安装包下载_开源镜像站-阿里云 xenial-security universe
点击右上角，会有提示让保存
3.更新 更新源
sudo apt-get update
复损坏的软件包，尝试卸载出错的包，重新安装正确版本的
sudo apt-get -f install
更新软件
sudo apt-get upgrade
4.其他常用的源 清华源
deb Index of /ubuntu/ | 清华大学开源软件镜像站 | Tsinghua Open Source Mirror xenial main restricted universe multiverse
deb-src Index of /ubuntu/ | 清华大学开源软件镜像站 | Tsinghua Open Source Mirror xenial main restricted universe multiverse
deb Index of /ubuntu/ | 清华大学开源软件镜像站 | Tsinghua Open Source Mirror xenial-updates main restricted universe multiverse
deb-src Index of /ubuntu/ | 清华大学开源软件镜像站 | Tsinghua Open Source Mirror xenial-updates main restricted universe multiverse
deb Index of /ubuntu/ | 清华大学开源软件镜像站 | Tsinghua Open Source Mirror xenial-backports main restricted universe multiverse
deb-src Index of /ubuntu/ | 清华大学开源软件镜像站 | Tsinghua Open Source Mirror xenial-backports main restricted universe multiverse
deb Index of /ubuntu/ | 清华大学开源软件镜像站 | Tsinghua Open Source Mirror xenial-security main restricted universe multiverse
deb-src Index of /ubuntu/ | 清华大学开源软件镜像站 | Tsinghua Open Source Mirror xenial-security main restricted universe multiverse
网易源
deb Index of /ubuntu/ wily main restricted universe multiverse deb Index of /ubuntu/ wily-security main restricted universe multiverse deb Index of /ubuntu/ wily-updates main restricted universe multiverse deb Index of /ubuntu/ wily-proposed main restricted universe multiverse deb Index of /ubuntu/ wily-backports main restricted universe multiverse deb-src Index of /ubuntu/ wily main restricted universe multiverse deb-src Index of /ubuntu/ wily-security main restricted universe multiverse deb-src Index of /ubuntu/ wily-updates main restricted universe multiverse deb-src Index of /ubuntu/ wily-proposed main restricted universe multiverse deb-src Index of /ubuntu/ wily-backports main restricted universe multiverse
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