源备份:
sudo cp /etc/apt/sources.list /etc/apt/sources_init.list
修改sources文档:全部删掉
sudo gedit /etc/apt/sources.list
阿里源(2020-9-25最新):
deb http://mirrors.aliyun.com/ubuntu/ xenial main
deb-src http://mirrors.aliyun.com/ubuntu/ xenial main
deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main
deb-src http://mirrors.aliyun.com/ubuntu/ xenial-updates main
deb http://mirrors.aliyun.com/ubuntu/ xenial universe
deb-src http://mirrors.aliyun.com/ubuntu/ xenial universe
deb http://mirrors.aliyun.com/ubuntu/ xenial-updates universe
deb-src http://mirrors.aliyun.com/ubuntu/ xenial-updates universe
deb http://mirrors.aliyun.com/ubuntu/ xenial-security main
deb-src http://mirrors.aliyun.com/ubuntu/ xenial-security main
deb http://mirrors.aliyun.com/ubuntu/ xenial-security universe
deb-src http://mirrors.aliyun.com/ubuntu/ xenial-security universe
更新apt:
sudo apt-get update
修复损坏的软件包,尝试卸载出错的包,重新安装正确版本的(一般没事):
sudo apt-get -f install
更新本地软件:
sudo apt-get upgrade
一定要重置更新,不然默认找不到源
参考:
1:
https://blog.youkuaiyun.com/qq_35451572/article/details/79516563
阿里镜像源地址:
https://developer.aliyun.com/mirror/ubuntu?spm=a2c6h.13651102.0.0.3e221b11lvVHfA