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

How to Fix Cloudflare SSL Full Strict Self-Signed Certificate Error

How to Validate Nginx Configuration Before Reload

Reloading nginx with a broken configuration can take your site down. The safe way is to test the ...

VSCode Python Debugger Breakpoint Not Stopping: Fixes

You set a breakpoint in VSCode, start debugging, and execution passes right through it. The debug...

How to Enable Chrome Extensions That Aren't Loading

You open Chrome and see a grayed-out extension icon. Clicking 'Enable' does nothing, or t...

Fixing Nginx Upstream Connection Refused on Port 443

You see "upstream connection refused" in your Nginx error log when proxying requests to p...

Fix VSCode Terminal Not Opening with Python

You try to run a Python script in VSCode, click the terminal tab, and nothing happens—or the term...