I Had a Free Oracle Cloud ARM Box With 24GB RAM — So I Got Weird With It

My Oracle Cloud free tier instance sat running Nginx for three months. Four ARM cores, 24GB of RAM, 200 Mbps network — serving a static HTML page. That's like buying a Porsche to drive to the mailbox. The free ARM tier is absurdly overpowered. So I started experimenting. Here are five non-obvious th