
Git Push Rejected Non Fast Forward: Troubleshooting Checklist
If you see ! [rejected] main -> main (non-fast-forward) when running

If you see ! [rejected] main -> main (non-fast-forward) when running

You try to push your local commits to a remote Git repository, but Git refuses with: ! [rej...

You run git push and see: ! [rejected] main -> main (non-fast-forward)

You activate your Python virtual environment, run pip install somepackage, and get a...

If you see fatal: Unable to create 'path/to/.git/index.lock': File exists., ...

If you see error: externally-managed-environment when trying to install a Python pac...