What is opCommon?

opCommon is

Space where documentation lives for tasks that are common to several Opmantek software packages.

Table of Contents

User Experience

• Accessibility for Applications
• Application Support for Dark Mode

Opmantek Products and Apache Log4J Vulnerability - Log4Shell CVE-2021-44228

Before You Install

• Trialing Opmantek's Products
• Deploying Your NMS

Installation

• Information about the Opmantek Installer
• Packages and Modules Summary
• Product Compatibility
• Configuration
• OKTA OpenID authentication

Product Licensing

• Activating a 20 node free forever license process
• Keeping Track of your Licenses
• Installing and Refreshing your Licenses

MongoDB

• MongoDB Installation - how to install, upgrade and run MongoDB
• MongoDB Data Migration, Backup and Restore - getting data from one MongoDB server to another

Administration

Administration module, common to all OMK products.

• Opmantek System Configuration
• Nodes API
• Automating Admin Tasks Including Node Management

General Documentation

• Getting Started with Opmantek Applications
• Common Node Properties - what opConfig and opEvents (need to) know about a node

• OMK Common Settings to Consider Changing
• How to make configuration changes to opCommon.nmis and other files
• Node Administration with opnode_admin
• OMK Authentication Methods
• Product Compatibility Matrix
• SSO for Opmantek Applications
• Information about how to keep track of your license status

• Configuring Your Server's Timezones
• Migrating NMIS and Modules from CentOS 6 to CentOS 7
• Opmantek API Solutions
• JSON Configuration Files
• Installing NMIS9 Compatible OMK Applications in a Disconnected (Air-Gapped) Environment
• Upgrading ABI1 to ABI2
• Security Configurations
• Securing Opmantek Applications
• NMIS9-How to Configure High Volume SNMPTRAPS
• Change Management Best Practices

Advanced Concepts

• Parallel opReports Solution: New platform opReports 3.5.2 running in parallel with old platform OMK Apps including opReports 3.2.0
• Parallel opReports Solution: New platform opReports 3.4.1 running in parallel with old platform OMK Apps including opReports 3.2.0

The Opmantek VM Appliance

The latest Opmantek Virtual Machine (VM) Appliances are NMIS8 and NMIS9 virtual machine images based on CentOS v7.2009.
They include most of Opmantek's products pre-installed and configured for your convenience.

• Opmantek NMIS8 Virtual Appliance: Release Notes
• Opmantek NMIS9 Virtual Appliance: Release Notes
• Opmantek Virtual Machine: Installation and Getting Started
• Default Credentials (Passwords) for NMIS8 and NMIS9 VMs
• Virtual Machine Maintenance: Updating Software
• Enabling DNS Server on Opmantek NMIS8 VM

Troubleshooting

• The Opmantek Support Tool
• General Troubleshooting Checklist
• Reducing a Server's Memory Footprint when OMK applications are installed
• Finding logged entries of processes killed by OOM Killer

Archived Documentation

• Node Administration with opnode_admin