I built a monitoring tool for people who actually run their own servers

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Hey everyone,

I’m Seb, and I’ve been self-hosting and managing Linux servers for years. Like most of you, I started with the usual stack: Grafana, Prometheus, maybe Nagios/Munin if you’re old enough. They’re powerful tools, but at some point I realized I was spending more time monitoring my monitoring setup than my actual servers (storage growing indefinitely, metrics cardinality explosion, broken upgrades, etc).

That’s what led me to build fivenines.io.

The idea is simple: you install a lightweight agent, and within minutes you get alerts, dashboards, and visibility on your servers without spending a weekend writing YAML files. No Docker compose to maintain, no Prometheus scraping config, no Grafana dashboard JSON to import. It just works.

The philosophy behind it

I built this for people like me: indie hackers, freelancers, small companies who run real infrastructure but don’t want to spend a thousand bucks a month on it. The kind of people who need to know when something’s wrong without treating monitoring as a second job.

A few things I care about:

  • The agent is self-contained and lightweight, it’s light on resources and doesn’t phone home with anything weird. You’re monitoring your servers, not feeding a data pipeline.
  • Built-in security vulnerability scanning: the agent checks your installed packages against mutiple CVE databases and alerts you when something needs patching. No extra tool to set up.
  • Easily configurable alerts. Disk filling up, high CPU, memory pressure, RAID status, Disk health, service down.
  • No per-metric pricing, no “contact sales” page. First 5 servers are free. Pricing starts at $9/month and you can see everything upfront.

overview
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I’m not trying to replace Datadog or Grafana. But if you just want solid monitoring that respects your time and your wallet, that’s what I’m going for.

Recent additions

Lately I’ve been working on security vulnerability scanning, Docker container monitoring, QEMU / Proxmox monitoring. Mostly driven by what users have been asking for.

I’m happy to offer a 20% discount to anyone from this forum, just use the code LINUXCOMMUNITY at checkout (or DM me and I’ll set it up manually).

Would love to hear your feedback, feature requests, or even why you think I’m wrong about something. I’m a one-person team so I actually read and respond to everything.

Cheers, Seb

This post has been encouraged by @hydn here.

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