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

Fix DNS Probe Finished NXDOMAIN with VPN Issues

When you see 'DNS probe finished NXDOMAIN' in your browser while a VPN is active, it mean...

Fix DNS Probe Finished NXDOMAIN on Custom DNS Server

If you see “DNS PROBE FINISHED NXDOMAIN” in Chrome or another browser while using a custom DNS se...

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...

Fix Cloudflare Origin Certificate Mismatch Errors

If you see 'Origin Certificate Mismatch' in Cloudflare or browser warnings, it usually me...

Fix 'Windows Cannot Access Shared Folder' Samba Error

You try to open a shared folder from a Linux Samba server on a Windows machine and get: 'Wind...

Passing Environment Variables to Docker Compose: A Practical Guide

When you run a multi-container application with Docker Compose, you often need to configure servi...