OpenNMS

OpenNMS Horizon is an enterprise-grade, open-source network monitoring and management platform designed to monitor the availability, performance, and health of servers, network devices, applications, and services. It provides comprehensive monitoring capabilities using standard protocols such as SNMP, ICMP, HTTP, and WMI.

OpenNMS Horizon is ideal for IT infrastructure monitoring, data centers, cloud environments, and enterprise networks where proactive monitoring, fault detection, and performance analysis are critical for ensuring system reliability and uptime.

Features of OpenNMS Horizon:

• Real-time monitoring of servers, network devices, and services.
• Web-based centralized management interface.
• Automated network discovery and node provisioning.
• Performance monitoring with graphs and historical data.
• Event management and alert notification system.
• Scalable architecture using Java and PostgreSQL backend.
• Support for SNMP, ICMP, HTTP, and other monitoring protocols.
• Secure and reliable open-source monitoring platform.

OpenNMS Horizon Usage:

$ sudo su
$ systemctl status opennms
$ systemctl restart opennms
$ systemctl enable opennms

To Access Web Interface:
http://<ip-address>:8980/opennms

To view application and database credentials, run the following command:
cat /var/opennms/credentials.txt

Disclaimer: OpenNMS Horizon is open-source software distributed under the GNU Affero General Public License (AGPL). It is provided of charge and maintained by the OpenNMS open-source community. The software is provided "as is," without any express or implied warranties. Users are responsible for reviewing licensing terms and implementing proper security configurations when deploying OpenNMS in production environments.