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

Resolving Python Dependency Conflicts from Transitive Dependencies

You're working on a Python project, and after adding a new package, the environment breaks. I...

Fix Virtual Environment Not Activating in Terminal

Why Your Virtual Environment Won't Activate

You open a terminal, navigate to your pro...

Docker Nginx 502 Bad Gateway: Memory Limit Fix

You're running Nginx in Docker as a reverse proxy, and suddenly you see 502 Bad Gateway error...

How to Reset Taskbar Icons in Windows 11: 4 Methods

If your Windows 11 taskbar icons are missing, showing generic file icons, or acting strangely, th...

Fix DNS Probe Finished NXDOMAIN on Custom DNS Server

If you see “DNS PROBE FINISHED NXDOMAIN” in Chrome or another browser while using a custom DNS se...

Docker Container Exits Immediately on Linux: Fixes

You start a Docker container, but it exits immediately. This is a common issue on Linux. The cont...