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

Docker Compose Environment Variable Not Updating? Fix It

How to Fix Firefox Secure Connection Failed Certificate Error

You see a full-page error in Firefox: Secure Connection Failed with a message li...

Fix ERR_CERT_AUTHORITY_INVALID on Localhost

When testing a local web app, you may see ERR_CERT_AUTHORITY_INVALID in Chrome or si...

Fix Permission Denied When Running Script in VS Code Terminal

You try to run a script in the VS Code integrated terminal and see 'permission denied'. T...

Fix Cloudflare SSL Full Strict Redirect Loop

If you've enabled Cloudflare's SSL/TLS encryption mode to Full (Strict) ...

Fixing Nginx Upstream Connection Refused in Load Balancing

When Nginx load balancing returns upstream connection refused, it means one or more ...