github常见操作和常见错误！错误提示：fatal: remote origin already exists.
如果输入$ git remote add origin git@github.com:djqiang（github帐号名）/gitdemo（项目名）.git
提示出错信息：fatal: remote origin already exists.
解决办法如下：
1、先输入$ git remote rm origin
2、再输入$ git remote add origin git@github.com:djqiang/gitdemo.git
github常见操作和常见错误！错误提示：fatal: remote origin already exists.
原文：http://www.cnblogs.com/lovebing/p/7504829.html