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

Fix Chrome Black Screen Flickering from Hardware Acceleration

If Chrome shows a black screen or flickers when watching videos, scrolling, or opening menus, har...

Fixing Cloudflare Wildcard Subdomain Proxy Errors

If you've set up a wildcard DNS record (e.g., *.example.com) in Cloudflare and a...

Resolving Python Dependency Conflicts with Pipenv

You've added a package with pipenv install, but the output shows a conflict erro...

Fixing Python Requests Timeout Errors: Codes & Solutions

When using the Python Requests library, a timeout error can stop your script mid-flight. You migh...

Fix ERR_NAME_NOT_RESOLVED After Chrome Update

If Chrome started showing ERR_NAME_NOT_RESOLVED on every website right after an upda...

Fix Nginx Upstream Connection Refused in Proxy Pass