Remotes

git remote add remote url
Adds a remote named remote for the repository at url.
git rm remote url
Remove reference to remote repository named remote: all tracking branches and configuration settings for remote are removed.
git push remote :heads/branch
Delete the branch branch from the remote repository named remote.
git remote prune remote
Prune deleted remote branches from git branch listing. These branches have already been removed from the remote repository named remote, but are still locally available in "remotes/remote".