github ssh 连接失败
$ ssh -T git@github.com
ssh: connect to host github.com port 22: Connection timed out
解决方法
在.ssh下面新加config文件,不要后缀,内容如下:
Host github.com
User 417952939@qq.com
Hostname ssh.github.com
PreferredAuthentications publickey
IdentityFile ~/.ssh/id_rsa
Port 22