This is IT infrastructure monitoring's industry-standard, open-source core. Free without professional support services.
The valuable features of Nagios Core, according to the reviews, include its ability to integrate with Python and Bash Script for monitoring services, impressive alerts and reports, customization options for specific needs, compatibility with various types of hosts and services, and availability of plugins for testing purposes.
Users like the timely notifications for issue resolution, application performance monitoring, flexibility and configurability, ease of installation and management, ability to check server availability and network connectivity, and monitoring of uptime and assets with alerting features.
Additionally, users appreciate the simplicity and user-friendliness of the interface.
Areas for improvement on Nagios Core include the lack of a graphical display, the need for better integrations, limited plugins for cloud monitoring, the absence of a user-friendly GUI, an outdated and non-interactive user interface, a cumbersome initial setup process, the requirement of using Nagios XI for a user interface, the lack of compatibility with big data platforms, difficulty with mapping, the need for a user traffic sensor, the desire for an improved graphical interface, limitations in the free version, the need for aggregations when servers go down, and the need for an improved dashboard and monitoring features.
Users reported significant cost savings and recognition from their organization for using Nagios Core for monitoring, as it prevented the need for purchasing a paid tool.
Users have varied experiences with pricing, setup cost, and licensing for Nagios Core. Some reviewers find Nagios Core to be a cost-effective solution, rating the pricing positively. They appreciate that it is an open-source product with no licensing fees. However, some mention that while Nagios Core itself is free, there may be costs associated with hosting it on an Amazon server.
Nagios Core can be converted into Nagios XI, a paid version, by contacting nagios.com.
The primary use case of Nagios Core is for monitoring server applications, infrastructure, system services, and network issues. It is used to monitor CPU, memory, storage, running services, and various parameters on Windows and Linux nodes. It is also used to monitor Cisco nodes such as switches, WLCs, APs, and routers, including CPU and memory utilization, bandwidth utilization, PING RTA, jitter, packet loss, temperature, free interfaces, IOS version, and switch stack status.
Additionally, Nagios Core is used for monitoring services like DNS/domain name expiry and SSL expiry. It is deployed on-premises and provides notifications on the status of monitored systems. The solution is used by companies in various industries, such as sales, security, and infrastructure monitoring.
The customer service and support for Nagios Core are not directly provided by Nagios themselves due to it being an open-source product. Instead, users rely on the community for support, which has been sufficient for users' needs. There is a large community that can provide assistance for any issues that arise. Additionally, there is a complete knowledge base available for users to find information about the solution.
The setup process for Nagios Core was described as not difficult, straightforward, simple, easy, and not complicated. Some users mentioned that the setup is well-documented and the steps mentioned in Nagios' documentation are helpful. However, a few users found the setup process for application monitoring to be more complicated compared to infrastructure monitoring.
Some express concern about scalability, stating that the single Nagios Core setup has limitations and may require a distributed monitoring environment for better scalability. However, others mention that the solution is scalable with no issues.
The stability of Nagios Core is highly rated by users, with ratings ranging from six to ten out of ten. Users consistently describe the solution as stable, reliable, and highly stable. They also mention that the performance is good and that there are no concerns regarding stability.
Some users attribute occasional timeouts and spurious events to their network setup rather than any issues with Nagios Core itself.
