Service and Support
Nagios Core is often used without direct vendor support, as users rely on community forums, documentation, and web resources for assistance. Many find answers via online searches rather than contacting support. Some users appreciate the community's helpfulness but note the challenges in scaling the open-source version. Nagios Core users value stability and rapid alerting, utilizing various tools and forums to meet their needs without needing extensive professional support.
Deployment
Nagios Core's initial setup varies in complexity depending on user familiarity with Linux. Many find it straightforward, with guidance from documentation easing deployment. For some, setting up configurations, plugins, and dependencies can be challenging, requiring careful planning, script development, or additional packages. Deployment time ranges from an hour to several days. Those experienced in Linux environments consider it manageable, while others may find setup time-consuming but worthwhile for effective monitoring and minimal maintenance.
Scalability
Users indicate that Nagios Core is generally scalable, meeting many needs effectively without complications. However, opinions vary, with some suggesting limitations in distributed setups and horizontal scaling. Many user environments find it flexible and effective, handling additional hosts and services as required. There are concerns about high availability, and some users caution about potential issues when scaling extensively. Community support helps address scaling challenges. Users frequently rate scalability positively, though individual experiences differ.
Stability
Nagios Core is highly stable, with many users reporting no problems during extended use. It remains reliable, even when monitoring multiple hosts and services, and users have been satisfied with its performance over the years. Some encountered issues when implementing plugins, but not with Nagios Core itself. Its Linux-based code contributes to its stability, and many rate its performance highly, often scoring it between eight to ten out of ten.