cd /root/.ssh ssh-keygen -t rsa -C "jenkins@abc.com" cat id_rsa.pub
将 key 加入 github 后验证
1 2 3 4 5
ssh -T git@github.com # 失败显示 git@github.com: Permission denied (publickey). # 成功显示 > Hi your_userid! You've successfully authenticated, but GitHub does not provide shell access.