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Guardian
Installation Guide
Information and resources on how to install Guardian, and the different options and settings that are available.
Container installation
Docker prerequisites
These are the prerequisites for a Docker installation.

Guardian
- Introduction
  An overview of Guardian.
- Installation Guide
  Information and resources on how to install Guardian, and the different options and settings that are available.
  - Introduction
  - Physical installation
  - Virtual installation
  - Container installation
    - Docker installation
      A Docker installation is a deployment of a sensor inside of an existing network component that supports Docker containers. If you want to take advantage of Nozomi Networks sensors can be installed in a Docker container.
    - Docker prerequisites
      These are the prerequisites for a Docker installation.
    - Build a Docker image
      Build a Docker image for your sensor.
    - Install a sensor in a Docker container
      Docker is the approved software for a container installation on Nozomi Networks Operating System (N2OS). Do this procedure to run a Nozomi Networks sensor in a Docker environment.
    - Update a Docker container
      You can update the Docker container to a newer release of the Nozomi Networks Operating System (N2OS).
  - Basic configuration
  - Additional settings
  - Compatibility Reference
  - Federal Information Processing Standards
- Administrator Guide
  Information and resources about the Administration section of Guardian, and the tasks that you can do in this part of the software.
- User Guide
  Information and resources about the main features of Guardian, and the tasks that you can do from the user interface (UI).
- Maintenance Guide
  Information about the maintenance tasks of Guardian, to help you administer and maintain the solution in a production environment.
- Print format documentation
  A list of all the print-format documentation that is available for Guardian.

Docker prerequisites

These are the prerequisites for a Docker installation.

In order to deploy Guardian on a Docker device, it must:

Be based on AMD64 architecture
Have available resources that are strictly to be devoted to the containers must match the table of recommended resource allocation
Have available resources that are dedicated to the containers that match recommended resource allocation

Docker container supportability for Guardian and Remote Collector deployments:

Docker version 24.x
Docker buildX
Overlay2 (best performance) or AUFS as storage backend
TMPFS mount type
Cisco IOS on Cisco C9300-48T 17.3.2a or Cisco IOx Local Manager 1.11.0.4
Siemens LPE firmware version 1.00.00