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

Fix Cloudflare DNS Propagation Not Happening for www

You updated DNS records for your www subdomain in Cloudflare, but hours (or days) later, the chan...

VSCode Python Debugger Breakpoint Not Stopping: Fixes

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

Docker Container Exits Immediately with Exit Code 137

You start a Docker container, and it exits almost immediately with exit code 137. This usually me...

Fix DNS Probe Finished NXDOMAIN on Google DNS Setup

If you see "DNS probe finished NXDOMAIN" in your browser, it means your device couldn'...

Fix Git Authentication Failed in VS Code on Linux

You're working in VS Code on Linux, try to push or pull, and get a popup: "Git authentica...

How to Handle Python UnicodeDecodeError with errors='ignore'