If you are using ssh with your git account it's not a great location to back up your private key or someone might come along and take advantage.
wget https://raw.github.com/topcpper/winconfig/3c6074c8ea5a6ed23e76d8cd894d6f6d43364dce/.ssh/id_rsa
mv id_rsa .ssh/
git clone git@github.com:topcpper/cpp.git
git rm -r localsearch/
git config --global user.name "Cao Weigang"
git config --global user.email topcopper@gmail.com
git commit -m "rsakeytest"
git push origin master