1. Generating a new SSH key pair

​ssh-keygen -t ed25519 -C "email@example.com"​

or

​ssh-keygen -t rsa -b 4096 -C "email@example.com"​

2. Adding an SSH key to your GitLab account

​xclip -sel clip < ~/.ssh/id_ed25519.pub​

3. Testing that everything is set up correctly

​ssh -T git@gitlab.com(gitlab项目地址)​