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getting-started.adoc

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Installation and configuration

Objectives

  • Install all required OpenNMS {page-component-title} components including PostgreSQL on a single node

  • Run {page-component-title} Core and PostgreSQL with the default configuration (which is not optimized to run in production and monitor large networks)

  • Log in to the web UI and change the default admin password

Requirements

  • Linux physical server or a virtual machine running a supported Linux operating system

  • Internet access to download the installation packages

  • DNS works and localhost and your server’s host name resolve properly

  • System user with administrative permissions (sudo) to perform installation

Set up PostgreSQL

Install the Core instance

Set up the Core instance

First login

After you start the {page-component-title} Core services, access the web application at
http://core-instance-ip:8980/opennms. The default login and password is admin.

Important
 Immediately change the password to a secure one.

  1. Open http://core-instance-ip:8980/opennms in your web browser.

  2. Log in with with admin/admin.

  3. Click btn:[admin] → btn:[Change Password] in the navigation bar.

  4. Use admin as the current password then type and confirm a new password in the appropriate boxes.

  5. Click btn:[Submit].

  6. Log out, then log in with your new password.