git pull不了的問題

問題描述：

Permission denied (publickey).
fatal: Could not read from remote repository.
Please make sure you have the correct access rights
and the repository exists.

大概意思：遠程倉庫拒絕訪問

原因：沒有上傳公鑰

解決方式：

（1）ssh-keygen -t rsa -C "用戶名"

返回Generating public/private rsa key pair.  Enter file in which to save the key (/home/forwhat.cn/.ssh/id_rsa):  

（2）回車

返回Enter passphrase (empty for no passphrase):

（3）回車 
返回Enter same passphrase again: 

（4）回車。

Your identification has been saved in /home/forwhat.cn/.ssh/id_rsa.  

Your public key has been saved in /home/forwhat.cn/.ssh/id_rsa.pub. 

（5）出現一張公鑰圖片

（6）在linux下可以用cat命令顯示id_rsa.pub中的內容（cat  ~/.ssh/id_rsa.pub）並複製內容。

（7）在網頁－settings－SSH keys－add SSH key

（8）git push 成功