pip 和 conda 添加和删除镜像源

pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple

pip config unset global.index-url

pip config list

conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free/
conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main/
conda config --set show_channel_urls yes

conda config --remove-key channels

conda config --show channels

conda config --show-sources