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

Docker Container Exit Code 0: Why It Restarts and How to Fix

You start a Docker container, it runs briefly, then stops with exit code 0. But when you check it...

Jupyter Notebook Token Not Working After Update: Fixes

After updating Jupyter Notebook or JupyterLab, you may find that the token-based authentication n...

Resolving npm Dependency Conflicts After an Update

How to Reset VSCode Terminal Settings to Default

If your VSCode terminal is behaving oddly—wrong shell path, missing colors, or commands failing—r...

Fix kubectl Context Not Found and Permission Denied

You try to run a kubectl command and get an error like error: context not found or <...

Fix 502 Bad Gateway Nginx from Command Line

If you're seeing a 502 Bad Gateway error from Nginx, it usually means Nginx can'...