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

Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate

How to Fix Missing Taskbar Icons in the System Tray

When you notice icons missing from the system tray (the area near the clock on the taskbar), it&#...

Fix Nginx Upstream Connection Refused Behind Cloudflare

If you see upstream connection refused in your Nginx error logs while using Cloudfla...

Node.js Memory Limit Increase Not Working: Fixes

You set --max-old-space-size=4096 but Node.js still crashes with a memory error. Thi...

Fix Nginx Redirect Loop After SSL Setup

You've set up SSL on your Nginx server, but now visitors get stuck in a redirect loop—HTTP→HT...

Docker Container Exits Immediately After Start: Network Fixes

You start a Docker container and it exits right away. The container logs show no errors, or the e...