ssh方式下：git push -u origin master出错Received disconnect from 13.250.177.xxx port 22

在操作廖雪峰Git教程添加远程库时，按步骤添加ssh key后推送出错。

在ssh方式下关联本地git版本库和github版本库：

$ git remote add origin git@github.com:Yikoufang/gitlearning.git

其中Yikoufang:本人的用户名，gitlearning:自己创建的库名

后，使用推送文件命令：

$ git push -u origin master

出错如下：

The authenticity of host 'github.com (13.250.177.223)' can't be established.
RSA key fingerprint is SHA256:3fgcj8jD9wTZJFlcOjIZyO4PH/KlJJ5JvF4Ghw5BGLU.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'github.com,13.250.177.223' (RSA) to the list of known hosts.
Received disconnect from 13.250.177.223 port 22:2: Connection blocked because server only allows public key authentication. Please contact your network administrator.
Disconnected from 13.250.177.223 port 22
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

错误如图：

尝试删除known_hosts文件，无果。

百度，stack overflow，完全搜不到相同问题，耗时一天，[/狗头]。

唯一搜到一个相同，没有解决方法，下面评论有人也出现了这个问题，于是尝试改用HTTPS方式关联库，结果就可以完成上传推送。

解决：

先删除原来ssh方式关联：

$ git remote rm origin

改用HTTPS方式关联git本地版本库和github库：

$ git remote add origin https://github.com/Yikoufang/gitlearning.git

推送：

$ git push -u origin master

完成推送。

https方式上传文件到GitHub参考：https://blog.youkuaiyun.com/geerniya/article/details/79552247

廖雪峰git教程-从远程库克隆原文：

好吧，是我没看到，看来是公司不让用ssh协议。