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

Fix Chrome Certificate Error: Invalid Authority with Proxy Settings

You open Chrome and see NET::ERR_CERT_AUTHORITY_INVALID on every site, even trus...

Fix DNS Probe Finished NXDOMAIN After Changing DNS

After updating your DNS settings—perhaps to use Google Public DNS or Cloudflare—you might see the...

Python Requests: Setting Timeout for POST Requests

When your Python script makes a POST request to an external API or web service, a slow or unrespo...

Docker Container Exits Immediately in Foreground Mode: Fixes

You run a Docker container with docker run -it myimage and it exits immediately. The...

Fix 'node sass build failed permission denied' Error