ssh-keygen -t rsa -C "youremail@example.com"
git remote add book git@github.com:reinhartzzhang/pythoncamp0.git
git push -u book master
git pull -u book master
以后推送
git push book master
以后下载
git pull book master
从远程克隆
git clone git@github.com:reinhartzzhang/pythoncamp0.git