Checklists for software errors, setup, and tool workflows.

Fix Git Lock File Not Deleted After Crash

If Git reports a lock file error after a crash, it usually means a previous Git operation was int...

How to Recover from a Detached HEAD in Git After a Rebase

You're in the middle of a rebase, you see a message like 'detached HEAD', and you'...

How to Fix ERR_NAME_NOT_RESOLVED on Chrome for Android

If you see ERR_NAME_NOT_RESOLVED in Chrome on your Android phone, it means the b...

Fix Cloudflare Wildcard Subdomain Not Working with WordPress

You set up a wildcard DNS record in Cloudflare (e.g., *.example.com) expecting all subdomains to ...

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...

Fix pip Externally Managed Environment on Debian 12

If you're on Debian 12 and get error: externally-managed-environment when using ...