报错：git@gitee.com: Permission denied (publickey). fatal: Could not read from remo

解决：

1. 生成公钥
   $ ssh-keygen -t rsa -C "xxxxx@xxxxx.com"
2. 回车三次生成 key
3. 查看公钥
   $ cat ~/.ssh/id_rsa.pub
4. 经公钥粘贴到这里gitee.com/profile/ssh…
5. 添加主机到本机SSH可信列表
   $ssh -T git@gitee.com