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Home Documentation Paragon Automation (Pathfinder, Planner, Insights) Paragon Automation Installation Guide Install Paragon Automation on RHEL

Paragon Automation Installation Guide

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Paragon Automation Installation Guide
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{ "lLangCode": "en", "lName": "English", "lCountryCode": "us", "transcode": "en_US" }
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Air-Gap Install Paragon Automation on RHEL

Release: Paragon Automation 24.1
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Change Release
date_range 18-Oct-23
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You can install and deploy a paragon Automation cluster using the air-gap method of installation. In the air-gap method you need not have Internet access on the cluster nodes. You need a control host to download the distribution software and then create and configure the installation files to run the installation from the control host. You must be able to use SSH to connect to all the nodes.

Prerequisites

Before you download and install the distribution software, you must preconfigure the control host and the cluster nodes as described in the following sections.

  1. Prepare the control host for the installation process as described in Prepare the Control Host.
  2. Prepare the cluster nodes for the installation process as described in Prepare Cluster Nodes.

    If you want to use Chrony, you must pre-install Chrony. The installer does not install Chrony during air-gap installations.

  3. Ensure you have the required virtual IP addresses as described in Virtual IP Address Considerations.

Download and Install Paragon Automation

  1. Log in to the control host.
  2. Download the Paragon Automation Setup installation folder to a download directory and extract the folder. You can use the wget "http://cdn.juniper.net/software/file-download-url" command to download the folder and any extraction utility to extract the files.

    You need a Juniper account to download the Paragon Automation software.

    Note:

    During the installation process, you must download the rhel-84-airgap.tar.gz file to use the air-gap method.


  4. Copy the rhel-84-airgap.tar.gz file to all your cluster nodes.

    1. Log in to a cluster node.

    2. Copy the rhel-84-airgap.tar.gz file to the /root directory.

    3. Change directory to /root.

    4. Extract the rhel-84-airgap.tar.gz using the tar -zxvf rhel-84-airgap.tar.gz command.

    5. Run the yum -y install *.rpm command to deploy the RPM packages.

    Repeat Step 3 on all your cluster nodes.
  5. Log back in to your control host.
  6. Follow steps 1 through 7 of the installation process as described in Install Paragon Automation on a Multinode Cluster.
  7. Manually edit the config.yml file using a text editor and set the following values.
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    docker_version: 20.10.13-3

containerd_version_redhat: 1.5.10-3
  8. Log in to the cluster nodes through SSH using the install-user account. Perform the following steps on all the cluster nodes.

    1. Set all the repos in /etc/yum.repos.d/ to enabled = 0, using a text editor.

      Repeat this step for all cluster nodes.

    2. Apply the following firewall rules to all nodes:

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      "iptables -A OUTPUT --dst=10.0.0.0/8 -j ACCEPT"
"iptables -A OUTPUT --dst=172.16.0.0/12 -j ACCEPT"
"iptables -A OUTPUT --dst=192.168.0.0/16 -j ACCEPT"
"iptables -A OUTPUT --dst=127.0.0.1 -j ACCEPT"
  9. Log back in to the control host, and install the Paragon Automation cluster based on the information that you configured in the config.yml and inventory files.
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    # ./run -c config-dir deploy -e offline_install=true

    The installation time to install the configured cluster depends on the complexity of the cluster. A basic setup installation takes at least 45 minutes to complete.

    NTP synchronization is checked at the start of deployment. If clocks are out of sync, deployment fails.

  10. When deployment is completed, log in to the worker nodes.

    Use a text editor to configure the soft and hard memory limits for influx DB memory requirements for Paragon Insights in the limits.conf and sysctl.conf files.

    1. content_copy zoom_out_map
      # vi /etc/security/limits.conf
                                # End of file
                                *         hard    nofile      1048576
                                *         soft    nofile      1048576
                                root      hard    nofile      1048576
                                root      soft    nofile      1048576
                                influxdb  hard    nofile      1048576
                                influxdb  soft    nofile      1048576
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      # vi /etc/sysctl.conf
                                fs.file-max = 2097152
                                vm.max_map_count=262144
                                fs.inotify.max_user_watches=524288
                                fs.inotify.max_user_instances=512

    Repeat this step for all worker nodes.

  11. Follow the steps described in Log in to the Paragon Automation UI- Multinode installation to access the GUI.
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