If you've spent any real time wrangling Linux servers — whether you're running them bare metal, in VMs, or inside containers — you know the drill. You open a terminal, SSH into a box, run a playbook, forget which node you're on, accidentally restart the wrong service, and spend the next hour undoing your own mess. It's not glamorous. And frankly, the tools that are supposed to help haven't always kept up with how modern infrastructure actually looks. That's what makes Squirrel Servers Manager (SSM) worth talking about. What Is...