Step 4: Initialize and start OpenNMS Horizon Save the changes in the file and close it. To install OpenNMS Horizon, add the apt repository in /etc/apt//opennms.list and add GPG key, then update the APT cache using the following commands. Step 2: Install OpenNMS Horizon in Ubuntu Save the file and run the following command to read /etc/profile file. export JAVA_HOME=/usr/lib/jvm/java-1.11.0-openjdk-amd64 Then set the Java environment variable for all users on boot time, by adding the following line in /etc/profile file. Next, verify the version of Java installed on your system. Step1: Installing Java – OpenJDK 11 in Ubuntuįirst, install the most recent version of OpenJDK Java 11 using the following apt command. In this article, we will explain how to install and setup the latest OpenNMS Horizon network service monitoring software in Debian and Ubuntu Linux distributions. Debian 9 or higher, Ubuntu 16.04 LTS or higher.OpenNMS runs on Linux and Windows operating systems and comes with a web-based console for easily administering networks and applications, supported by a Postgres database management system in the backend.

Read Also: Install OpenNMS Network Monitoring Tool in CentOS/RHEL 7 OpenNMS ( Open Network Management System) is a free and open source, scalable, extensible, enterprise-grade and cross-platform Java-based network management platform was designed to monitor critical services on remote machines and gathers the information of remote hosts data by using SNMP and JMX ( Java Management Extensions).

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