git push origin HEAD - push the current branch to branch with the same name on the server
git push -u origin HEAD - the same, just set upstrem tracking
git remote set-url origin [email protected]:username/repo.git - change the remote
git branch --no-merged - Show branches not merged into master
eval $(ssh-agent) # starts the ssh agent on win7, win8
ssh-add /c/Users/Vlada/.ssh/id_rsa # add the key for which you want to disable entering password on every push/pull