推荐更新源.md

apt更新源

编辑/etc/apt/sources-list

deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial main restricted
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main restricted
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial universe
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates universe
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates multiverse
deb 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
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security universe
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security multiverse

pip更新源

在用户目录下创建.pip文件夹，并创建pip.conf文件

[global]
trusted-host =  pypi.mirrors.ustc.edu.cn
index-url = https://pypi.mirrors.ustc.edu.cn/simple