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

Command Prompt Dependency Conflict Troubleshooting Checklist

Fix Command Prompt Blank White Screen with No Text

You open Command Prompt, but instead of the usual black window with a blinking cursor and text, y...

Fix Windows Terminal High CPU Usage: Step-by-Step Guide

If you notice Windows Terminal consuming high CPU even when idle, you're not alone. This issue of...

SSH Connection Timed Out on Port 22: Common Fixes

You try to SSH into a remote server, but the connection hangs and eventually fails with 'Connecti...

Fix Cloudflare DNS Not Resolving on Android

If you've set Cloudflare's 1.1.1.1 DNS on your Android device but websites won't load or you see ...

UFW Deny Port But Still Accessible: Fixes and Checks

You set a UFW deny rule for a specific port, but the port remains accessible from outside. This i...