一、问题的定位
ssh能够与远程GitHub成功连接：
yuhuiliu@sinc-server:/$ ssh -T [email protected] The authenticity of host 'github.com (52.74.223.119)' can't be established. RSA key fingerprint is SHA256:nThbg6kXUpJWGl7E1IGOCspRomTxdCARLviKw6E5SY8. Are you sure you want to continue connecting (yes/no)? yew Please type 'yes' or 'no': yes Warning: Permanently added 'github.com,52.74.223.119' (RSA) to the list of known hosts. packet_write_wait: Connection to 52.74.223.119 port 22: Broken pipe yuhuiliu@
