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

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

Docker Prune Not Freeing Enough Space: Practical Fixes

You run docker system prune -a expecting a big space recovery, but the freed space i...

Cloudflare SSL Full Strict Setup Guide

If you enable Cloudflare's SSL/TLS encryption and set it to Full (Strict), y...

Fix Windows Defender Real-Time Protection Stuck on Turning Off

You open Windows Security, go to Virus & threat protection, and see Real-time protection stuc...

Fix Docker 'No Space Left on Device' on Mac