Setting up daily monitoring emails on your Ubuntu server

If you followed my guide on Setting up a dockerised Caddy-based webserver on Hetzner Cloud you may now be wondering how to keep an eye on your server’s performance while you’re busy living the rest of your life. Maybe you want to check that the disk isn’t filling up. Or maybe—as I found a few weekends ago—you’d like to know when the kinsing/kdevtmpfsi malware has infected one of your Docker…