git remote set-url origin https://hostname/USERNAME/REPOSITORY.git
git remote -v
# View existing remotes
# origin https://github.com/user/repo.git (fetch)
# origin https://github.com/user/repo.git (push)
git remote set-url origin https://github.com/user/repo2.git
# Change the 'origin' remote's URL
git remote -v
# Verify new remote URL
# origin https://github.com/user/repo2.git (fetch)
# origin https://github.com/user/repo2.git (push)
$ git remote set-url <remote_name> <remote_url>
git remote set-url <alias> <url>