github ssh连接

Git是分布式的代码管理工具，远程的代码管理是基于SSH的，所以要使用远程的Git则需要SSH的配置。
github的SSH配置如下：
1 、设置Git的user name和email：
$ git config --global user.name "xxxxx"
$ git config --global user.email "[email protected]"

2、生成SSH密钥过程：
1）查看是否已经有了ssh密钥：cd ~/.ssh
如果没有密钥则不会有此文件夹，有则备份删除
2）生存密钥：
$ ssh-keygen -t rsa -C “[email protected]”
按3个回车，密码为空。

Your identification has been saved in /home/username/.ssh/id_rsa.
Your public key has been saved in /home/username/.ssh/id_rsa.pub.
The key fingerprint is:

最后得到了两个文件：id_rsa和id_rsa.pub

3）添加密钥到ssh：ssh-add 文件名
需要之前输入密码。

4）在github上添加ssh密钥，这要添加的是“id_rsa.pub”里面的公钥。
打开https://github.com/ ，登陆username，然后添加ssh。

5）测试：ssh -T [email protected]
The authenticity of host ‘github.com (207.97.227.239)’ can’t be established.
RSA key fingerprint is 16:27:ac:a5:76:28:2d:36:63:1b:56:4d:eb:df:a6:48.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added ‘github.com,207.97.227.239′ (RSA) to the list of known hosts.
ERROR: Hi username! You’ve successfully authenticated, but GitHub does not provide shell access
Connection to github.com closed.