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

Nginx Upstream Connection Refused: Fixing localhost Errors

You set up an nginx reverse proxy to forward requests to a backend service on localhost, but ngin...

Fix net::ERR_CERT_AUTHORITY_INVALID on Chrome in Linux Terminal

When you see net::ERR_CERT_AUTHORITY_INVALID in Chrome on Linux, it usually means th...

Fix VS Code Source Control Not Detecting Changes on Ubuntu

If you're using VS Code on Ubuntu and the Source Control panel shows no changes even after ed...

Debugging Jest Tests in VS Code: Breakpoints Not Hit

You set a breakpoint in a Jest test file, start debugging, and the test runs to completion but th...

How to Fix Chrome Sync Error 'Sign In Again'

What the Error Means

When Chrome displays 'Sign in again' in the sync settings, i...

Chrome Startup Crash When Opened from Task Manager

You click 'Run new task' in Task Manager, type 'chrome', hit Enter, and Chrome cr...