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Start the interactive installer and follow its instructions:

sudo sh ./opEvents-Linux-x86_64-3.0.0.run
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opEvents (3.0.0) Installation script
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This installer will install opEvents into /usr/local/omk.
To select a different installation location please rerun the
installer with the -t option.

The installer will interactively guide you through the steps of installing opEvents. Please make sure to read the on-screen prompts carefully. Also, a preconfigured file can be used.
When the installer finishes, opEvents is installed into /usr/local/omk, and the default configuration files are in /usr/local/omk/conf, ready for your initial config adjustments.
A detailed log of the installation process is saved as /usr/local/omk/install.log, and subsequent upgrades or installations of other Opmantek products will add to that logfile.
For detailed information about the interactive installer please check the Opmantek Installer page.

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If necessary the installer will offer to install MongoDB locally for you; if that is undesirable, or if you have a remote MongoDB installation that you want to use you'll need to adjust the MongoDB-related settings:
open conf/opCommon.nmis in an editor, go to the database section and change the server, username and password to reflect your MongoDB installation.
The result should look similar to the following (but there might be extra settings related to other products):

'database' => {
  'db_server' => 'localhost',
  'db_port' => '27017',
  'db_name' => 'nmis',
  'db_username' => 'opUserRW',
  'db_password' => 'op42flow42',
},

License

Access the opEvents GUI and acquire, restore or enter your license.
The opEvents GUI is accessible at http://<yourservername or ip address>/omk/opEvents/, and until you have entered a valid license neither the opEvents GUI nor the CLI tools will operate.

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Your next step should be to consult the opEvents Basic Concepts:

Understand the different menu options and what they accomplish in opEvents.
Descriptions and lists of common Event Log entries to help in understanding what causes each event.
Learning Common Node Properties. A number of Opmantek products use a common node configuration infrastructure, which supports standard, product-specific and custom node attributes.
1. Common Node Properties
2. opEvents Normalised Event Properties
opEvents input sources: opEvents can process information from a variety of sources, some of which can be extended to suit non-standard deployments. Including parsing syslogs, event logs, etc.

Setting priority levels and creating Event Actions and Escalations

opEvents priority levels vs. NMIS and Syslog levels: Understand the different priority levels. opEvents uses its own set of numeric priorities for events, ranging from 0 to 10. This priority value is saved in the priority event property.
Event Actions and Escalation: Create custom Event Actions and Escalations. opEvents provides the Event Action Policy as a flexible mechanism for reacting to events.
Creating custom Policies and Actions: Set up custom Policies and Actions.

Please feel free to leave comments and suggestions below!

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Versions Compared

Old Version 1

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Setting priority levels and creating Event Actions and Escalations