git pull origin main For a full sync (fetch + merge):
ssh-keygen -t ed25519 -C "your-email@example.com" Display the public key and add it to GitHub (): github in ubuntu
git add README.md git commit -m "Add README" git push origin main If you use a token or SSH, the push will succeed immediately. Step 5: Keep Your Local Repository Updated Pull the latest changes from GitHub: git pull origin main For a full sync
name: Ubuntu Test on: [push] jobs: test: runs-on: ubuntu-latest steps: - uses: actions/checkout@v4 - run: echo "Running on Ubuntu VM" Push it – GitHub will run the workflow. | Error | Solution | |-------|----------| | Permission denied (publickey) | Add your SSH key to GitHub (Step 3 – Option C). | | remote: Invalid username or token | Generate a new token with correct scopes. | | detected dubious ownership in repository | Run git config --global --add safe.directory /path/to/repo | | fatal: not a git repository | You’re outside a Git repo – cd into the correct folder. | Conclusion You now have a fully functional GitHub environment on Ubuntu. From installing Git and authentication to pushing code and resolving conflicts, these commands will serve you daily. | | remote: Invalid username or token |
git --version # Example output: git version 2.34.1 Link Git to your GitHub account locally: