Workflow manuals for setup steps, repeatable tasks, and software operations.

Fix WiFi No Internet After Windows 11 Update

After a Windows 11 update, you might see your WiFi connected but with no internet access. This is...

Fix Docker Nginx 502 Bad Gateway Upstream Error

When running Nginx as a reverse proxy in Docker, a 502 Bad Gateway error with 'upstream' ...

Fixing Cloudflare Wildcard Subdomain Permissions Denied Errors

You set up a wildcard DNS record in Cloudflare, but requests to subdomains return a permissions d...

How to Fix Nginx 'Upstream Connection Refused' Error

When Nginx returns a 502 Bad Gateway with upstream connection refused in the error l...

How to Enable Windows Defender Real-Time Protection via Command Line

If you need to turn on Windows Defender real-time protection but can't access the Settings ap...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

You run git clone https://example.com/repo.git and get:

fatal: unable to acc...