Knowledge base for software setup, errors, and daily tool work.

How to Fix Windows Activation Not Working on Ubuntu

If you're running Windows on a machine that also has Ubuntu, you may see an activation error. Thi...

Fix Windows Activation Proxy Server Not Responding

When you try to activate Windows and see “proxy server not responding,” it usually means Windows ...

GitLab Runner Not Running Jobs: Troubleshooting Checklist

If your GitLab Runner shows as registered but never runs any jobs, or jobs stay stuck in 'pending...

Fix 'Module Not Found' in Python Virtual Environments

SSH Key Permissions and Ownership: A Troubleshooting Checklist

If you're seeing "Permissions 0644 for 'id_rsa' are too open" or "Bad owner or permissions" when ...

Fix systemd Service Restart Loop Due to Permission Denied

If your systemd service keeps restarting and you see "Permission denied" in the logs, the service...