Knowledge base for software setup, errors, and daily tool work.

Cloudflare DNS Propagation Stuck: How to Fix

You updated a DNS record in Cloudflare hours or even days ago, but the change still isn't sho...

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 ...

Fix Error 0x80070005 in Windows 10 Update

When you try to install a Windows 10 update, you may see error 0x80070005 with a...

How to Fix Nginx 502 Bad Gateway in Docker

If you're running Nginx as a reverse proxy inside Docker and seeing a 502 Bad Gateway error, ...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

Cloudflare Origin Certificate Setup for Apache

If you use Cloudflare's proxy (orange cloud), you can set up an origin certificate to encrypt...