Why I Run 2 Pi-Hole Instances (and How I Keep Them Synced)

Even my local DNS server is redundant.

Why I Run 2 Pi-Hole Instances (and How I Keep Them Synced)

If you run a Pi-Hole server, you probably, like me, have experienced downtime when updating or rebooting the server. To fix this, I started running two Pi-Hole instances. Here's how I did it, and how I keep them in sync, too.