config system
change sources of sources.list
cp /etc/apt/sources.list /etc/apt/sources.list.bak
sed -i 's/archive.ubuntu.com/mirrors.ustc.edu.cn/g' /etc/apt/sources.list
apt update
apt upgrade -y
apt autoremove
config packages
config python
- change sources of sources.list
cd ~
mkdir .pip
cd .pip
touch pip.conf
echo "[global]" >> ~/.pip/pip.conf
echo "index-url = https://pypi.tuna.tsinghua.edu.cn/simple" >> ~/.pip/pip.conf
echo "[install]" >> ~/.pip/pip.conf
echo "trusted-host = https://pypi.tuna.tsinghua.edu.cn" >> ~/.pip/pip.conf
install packages
apt install vim