sudo passwd

sudo apt install vim build-essential htop openssh-server cmake git net-tools curl

• ssh-keygen -t rsa -C 'cjdspace-learn' (其他的公钥git clone generate errors)
• git config --global alias.ci commit
• git config --global alias.co checkout
• git config --global alias.br branch
• git config --global alias.st status
• git config --global user.name ""
• git config --global user.email ""