Your old laptops are sitting in a closet. Your electricity bill is already running. Monero is mining itself on hardware just like yours — right now, for someone else. This is the guide that changes that. From the Closet to the Rack is a field manual written by someone who started with two old Dell laptops in January 2026 and ended up with eleven machines running on a baker's rack by March — pulling nearly 19,000 hashes per second across two pools, with Tari merge mining happening automatically on top of everything else. No theory. No whitepapers. No assumptions about what you already know. Just exactly what works, documented from real hardware, real mistakes, and real results. What you'll learn: Why Monero is the only cryptocurrency worth mining on home hardware in 2026 — and why Bitcoin stopped being an option years ago - How L3 cache determines everything about RandomX mining performance — and how to avoid the expensive hardware mistakes most beginners make - How to deploy any Linux machine as a fully configured Monero miner in a single afternoon - The exact pool strategy, config files, and systemd setup running across a real eleven machine operation - How to earn Tari merge mining rewards on top of your Monero — at zero additional cost, zero extra power draw - A complete fleet monitoring system so your machines run themselves while you do something else - Real troubleshooting from real problems — filesystem corruption, dropped workers, MSR failures, router lockups — all documented and fixed You don't need a background in Linux. You don't need expensive hardware. You don't need a background in cryptocurrency. What you need is a couple of machines, some patience, and a willingness to type commands into a terminal without fully understanding what they do yet. That last part gets better. I promise. The machines have got it from here.