"Nagios Core is obsolete." Fact: Thousands of companies still run Core. It is stable, lightweight, and totally free.
After 60 days, the trial reverts to the unless you purchase a standard license.
For a home lab, a small startup, or a specific "mission-critical" rack, seven hosts is often plenty. It allows you to monitor your core firewall, a couple of hypervisors, and your primary web servers with the same tools used by Fortune 500 companies. nagios xi free
Here is a blog post concept to help you explain how to leverage it. Nagios XI for $0: How to Get Enterprise Monitoring for Free
Keep in mind that while these alternatives are free, they may have limitations and require more setup and configuration compared to Nagios XI. If you're looking for a free monitoring solution, it's essential to evaluate your specific needs and consider the trade-offs. "Nagios Core is obsolete
You can indefinitely monitor up to seven (7) nodes (hosts). In Nagios, a "node" is any physical or virtual device with an IP address, such as a server, router, or smart home device.
Customizable, drag-and-drop visuals for your NOC or home office. For a home lab, a small startup, or
The short answer is: However, there is an official free tier that is very generous for small environments, and there is always the original Nagios Core for those who want 100% free and open-source software.