Software comparisons, alternatives, and tool decision notes.

Fix Nginx 502 Bad Gateway with Docker and PHP-FPM

You have a Docker setup with Nginx proxying to a PHP-FPM container, and you're getting a 502 ...

How to Limit Chrome Tab Memory Usage

If your computer slows down when you have many Chrome tabs open, you're not alone. Chrome is ...

Docker Prune Not Freeing Enough Space: Practical Fixes

You run docker system prune -a expecting a big space recovery, but the freed space i...

Fix Docker Desktop Engine Stopped with Virtual Machine Error

You start Docker Desktop and see “Docker Desktop engine stopped” with a message about a virtual m...

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

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

fatal: Unable to create &#...

Cloudflare DNS Not Propagating for Subdomain: Fixes

You added a subdomain record in Cloudflare DNS, but it still resolves to the old IP or nothing at...