Checklists for software errors, setup, and tool workflows.

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Fix DNS Probe Finished NXDOMAIN Error on Mac

You're browsing on your Mac and suddenly a site won't load, showing the error DNS...

Fix Git 'fatal: refusing to merge unrelated histories' on GitHub
You try to merge two branches in Git, and get fatal: refusing to merge unrelated histories<...

How to Manually Remove a Stuck Git index.lock File If Git operations suddenly fail with an error like fatal: Unable to create 'path/.git/i...

Docker Prune Not Freeing Enough Space: Practical Fixes You run docker system prune -a expecting a big space recovery, but the freed space i...

Git Large File Storage Setup Tutorial If you've ever tried to push a repository containing large binary files—like design assets, d...

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 ...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix DNS Probe Finished NXDOMAIN Error on Mac

Fix Git 'fatal: refusing to merge unrelated histories' on GitHub

How to Manually Remove a Stuck Git index.lock File

Docker Prune Not Freeing Enough Space: Practical Fixes

Git Large File Storage Setup Tutorial

Fix Nginx 502 Bad Gateway with Docker and PHP-FPM

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