Checklists for software errors, setup, and tool workflows.

Fix Nginx Configuration Test Failure from Rewrite Rules

You run nginx -t and get an error. The log points to a rewrite rule. This is common ...

How to Recover Stashed Changes in Git Detached HEAD

If you've stashed changes while in a detached HEAD state in Git, you might worry they're ...

Fix Firefox Secure Connection Failed on Mac

If you see "Secure Connection Failed" in Firefox on your Mac, the browser is blocking the...

Fixing Nginx Permission Denied for Access Log

When Nginx reports 'permission denied' while trying to write to the access log, the error...

Fix Git SSL Certificate Error: Unable to Get Local Issuer Certificate

When cloning or pulling from a Git repository, you may see:

fatal: unable to access...