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Chapter 6. Setting up the Cockpit UI

If you are configuring Red Hat Hyperconverged Infrastructure for Virtualization from a Red Hat Enterprise Linux base, follow this section to obtain and configure the Cockpit UI. Cockpit is a web application that simplifies and automates some parts of the installation and configuration process.

6.1. Installing the Cockpit UI
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Run the following commands on each physical machine to register your physical machines to Red Hat Network and install the required packages.

Important

Ensure that you have your Red Hat Network username and password before beginning this process.

  1. Register your machine to Red Hat Network. 

    # subscription-manager register --username=<username> --password=<password>

  2. Enable the channels required for the Cockpit UI. 

    # subscription-manager repos --enable=rhel-7-server-rpms  --enable=rh-gluster-3-for-rhel-7-server-rpms  --enable=rhel-7-server-rhv-4-mgmt-agent-rpms --enable=rhel-7-server-ansible-2-rpms

  3. Install the packages required for the Cockpit UI. 

    # yum install glusterfs-server vdsm-gluster ovirt-hosted-engine-setup gdeploy cockpit-ovirt-dashboard

6.2. Starting the Cockpit UI
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Run the following command to start the cockpit service. 

# systemctl start cockpit

6.3. Configuring the firewall for Cockpit traffic
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  1. Open ports for the cockpit service. 

    # firewall-cmd --add-service=cockpit
# firewall-cmd --add-service=cockpit --permanent

  2. Verify that the cockpit service is allowed by the firewall.

    Ensure that cockpit appears in the output of the following command. 

    # firewall-cmd --list-services | grep cockpit
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