What is the method for installing and configuring OpenNMS?

10 months ago

Noah Thompson

2 minutes

The methods for installing and configuring OpenNMS are as follows:

To install Java: OpenNMS is developed using Java, so you need to first install Java. It is recommended to use Java 8 or a newer version. You can download the Java installation package from the Oracle official website or from providers such as OpenJDK and follow the installation instructions.
Download OpenNMS: You can download the latest stable version of OpenNMS from the official OpenNMS website (https://www.opennms.com/).
Install OpenNMS: Unzip the downloaded OpenNMS package into the installation directory of your choice.
Set up Database: OpenNMS uses PostgreSQL as its default database. You will need to install and configure PostgreSQL, and create a database for OpenNMS to use. You can download and install PostgreSQL from the official PostgreSQL website (https://www.postgresql.org/).
Configure the OpenNMS database connection: Open the opennms.properties file in the OpenNMS installation directory, and modify the following parameters according to your PostgreSQL configuration.
jdbc:postgresql://localhost:5432/opennms is the URL for the org.opennms persistor core.
User name used in opennms core persistor = your_username
The password for org.opennms.core.persistor is “your_password”.
To initialize and start OpenNMS: Open a command line terminal, navigate to the OpenNMS installation directory, and run the following command.
To install on Linux/Mac, run ./bin/install -dis.
To install on Windows, run the install script in the bin directory with the flag -dis.
This will initialize the OpenNMS database and start the OpenNMS service.
Access the OpenNMS web interface by entering http://localhost:8980/ in a browser. This will open the OpenNMS web interface. The default username is admin, with the password also being admin.
Configure OpenNMS: In the web interface, you can perform various configurations, such as adding devices, setting up monitoring, and creating alert rules.

Please note that the above steps only cover the basic installation and configuration process of OpenNMS. Depending on your needs, you may need to configure additional settings such as setting up a mail server or configuring SNMP. For more detailed installation and configuration instructions, you can refer to the official OpenNMS documentation at https://docs.opennms.org/.