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

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 ...

How to Restart Windows Defender Threat Service

If Windows Defender shows a warning like "Threat service has stopped" or "Virus & threat protecti...

How to Fix Nginx 502 Bad Gateway: A Practical Guide

Seeing a 502 Bad Gateway error from Nginx usually means the upstream server (like PHP-FPM, Gunico...

How to Change Windows Terminal Log File Location

If you've ever needed to debug a Windows Terminal profile or track console output, you may have n...

OneDrive Invalid Configuration Sync Issue Fix

Understanding the Problem

You open OneDrive and see an error like "Invalid configuration"...

Windows Defender Setup Checklist for New PC

When you set up a new PC, Windows Defender (now called Microsoft Defender Antivirus) is already a...