5 Free Tools to Monitor Your VPS (Terminal)

A mysterious VPS slowdown turned out to be a silent cryptojacking attack. After days of troubleshooting, I discovered five powerful (and free) Linux terminal tools—btop, htop, glances, bpytop, and bmon—that reveal real-time CPU, RAM, swap, disk, and bandwidth usage. If you run a VPS, constant monitoring isn’t optional. These tools help you detect attacks before they drain your server and your wallet.