Github 设置 SSH Key

ssh-keygen -t rsa -C "your email"

# 选择存放目录以及密钥文件名
Enter file in which to save the key (/home/username/.ssh/id_rsa): /home/username/.ssh/id_rsa_github

# 使用密钥时是否密码验证，空为直接使用
Enter passphrase (empty for no passphrase): 
Enter same passphrase again: 

# .pub 后缀为公钥
cat ~/.ssh/id_rsa_github.pub

# 复制输出内容到 settings --> SSH and GPG keys --> New SSH key

# 验证 Key
ssh -T git@github.com

# Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
# Hi Your Github Username! You've successfully authenticated, but GitHub does not provide shell access.