Check existing remote
git remote -v
# origin https://github.com/username/repo.git (fetch)
# origin https://github.com/usernam/repo.git (push)
Changing repository URL
git remote set-url origin https://github.com/username/repo2.git
# Change the 'origin' remote's URL
Verify new remote URL
git remote -v
# origin https://github.com/username/repo2.git (fetch)
# origin https://github.com/username/repo2.git (push)