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

Nginx 502 Bad Gateway: Troubleshooting Checklist

If you're seeing a 502 Bad Gateway from nginx, it usually means nginx can't reach the upstream se...

Ubuntu Task Scheduler: Cron Job Setup Guide

Cron is the default task scheduler in Ubuntu. It runs commands or scripts at specified times, dat...

Fix Windows Terminal High CPU Usage: Tools and Steps

If Windows Terminal is consuming unusually high CPU, you’ll notice fan noise, sluggish performanc...

Docker Desktop WSL Integration Missing: Full Troubleshooting Checklist

If you open Docker Desktop and the WSL 2 backend option is grayed out or missing entirely, you're...

Fix 'Windows Defender Not Recognized' Error in Command Prompt

Fix CMD Service Unavailable Without Admin Rights

If you see 'service unavailable' when running commands in Command Prompt, and you don't have admi...