How to do it...

Once we are done with the prerequisites mentioned in the preceding Getting ready section, we can now begin with the installation and configuration of OpenNMS:

  1. OpenNMS is not available in the default repository of Ubuntu. Hence, we have to add the repository of OpenNMS in the /etc/apt/sources.list.d directory. To do this, we can run the following command:
nano /etc/apt/sources.list.d/opennms.list
  1. Add the following lines in the /etc/apt/sources.list.d/opennms.list directory:

Once done, we will save and close the file.

  1. Now, we will add the OpenNMS key by running the following command:
  1. Next, update the repository using ...

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