How to Rename Git Branch Locally and Remotely

# Rename branches locally
git branch -m <old_branch> <new_branch>

# Delete the old branch on remote
git push <remote> :<old_branch>

# Push the new branch to remote
git push -u <remote> <new_branch>

# Rename branches locally
git branch -m master main

# Delete the old branch on remote
git push origin :master

# Push the new branch to remote
git push -u origin main