Node.js
DevOps New 
Running several Node.js apps on one VPS with nginx, pm2 and Let’s Encrypt
My license server, a file-sharing site, a shop bot and this portfolio all live on one small ARM box. Here is the setup, and the mistakes that cost me an evening each.
4 min read
Foliox License New 
How Foliox License stops a fake server from unlocking your app
The usual way people crack a licensed tool is not clever. They point it at a server that always says yes. Here is how I made that stop working.
2 min read