Downtime is expensive and, worse, it usually happens quietly — a certificate expires, a disk fills up, a background service dies, and you only find out when a customer complains. Monitorix is a website and server monitoring platform that watches all of it for you and tells you the moment something breaks, so you find out before your users do.
This guide explains what Monitorix does, how it works, and who it's for.
What is Monitorix?
Monitorix is an all-in-one monitoring service that combines two things most tools keep separate:
- Uptime monitoring — is your website, API, or domain reachable and healthy from the outside?
- Server monitoring — how are your servers doing on the inside: CPU, memory, disk, and the services running on them?
You manage both from a single dashboard, and you get a single, de-duplicated stream of alerts instead of noise from three different tools.
What can Monitorix monitor?
Monitorix supports several check types, so one monitor can watch a target from multiple angles:
- Availability — HTTP/HTTPS and ping checks with expected status codes, response-time tracking, and custom ports and paths.
- SSL certificate — alerts you well before a certificate expires.
- Domain expiry — watches your domain registration so it never lapses by surprise.
- Keyword — confirms that expected text is present (or absent) on a page.
- DNS — verifies that a DNS record resolves to the value you expect.
- Port — checks that a specific TCP port is open and accepting connections.
How does server monitoring work?
For servers, you install a lightweight Monitorix agent. It reports resource metrics — CPU load, memory and swap, disk usage and I/O, network traffic, and process counts — and it discovers the system services running on the machine so you can choose which ones to watch. You can set thresholds and receive an alert when a server is under pressure, long before it falls over.
What makes Monitorix different?
A few things set Monitorix apart from a basic ping-checker:
- Multi-point verification — before Monitorix declares a site down, it re-checks from independent agents in different regions, which eliminates the false alarms caused by a single bad network path.
- Smart service auto-restart — you can let Monitorix restart a stuck service automatically, but only on sustained conditions (down for X minutes, or CPU over a threshold for X minutes), never on a single blip.
- Firewall & server-status insight — the agent detects your firewall (CSF, UFW, firewalld, iptables) and can surface its rules and your web server's status page, right inside Monitorix.
- Alerts that reach you — email, Slack, and webhooks, with reminders, recovery notices, and maintenance windows.
Who is Monitorix for?
Monitorix is built for agencies, hosting providers, and teams who run more than one server and can't afford to babysit them. If you manage client websites, a fleet of VPSs, or your own SaaS infrastructure, Monitorix gives you one control panel for uptime and server health together.
Getting started
Create an account, add your first website as a monitor, and — if you want server metrics — install the agent with a single command using our guided setup. Within minutes you'll have live status and your first alerts configured. Read our guide to adding a server with the Monitorix agent to set up server monitoring step by step.
Frequently Asked Questions
What is Monitorix used for?
Does Monitorix monitor both websites and servers?
How is Monitorix different from a simple uptime checker?
Who should use Monitorix?
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