github添加密钥后，配置如下：
sslinux@sslinux-py2go:/media/sslinux/Disk-Study/magePython/PPT/MagePython$ cat .git/config
[core]
repositoryformatversion = 0
filemode = false
bare = false
logallrefupdates = true
[remote "origin"]
url = git@github.com:sslinux/MagePython.git #主要是这里；
fetch = +refs/heads/*:refs/remotes/origin/*
[branch "master"]
remote = origin
merge = refs/heads/master即可不必输入用户名和密码进行push了；