To attach a Red Hat Enterprise Linux host

1. On the Tree pane, click Expand All and select Hosts under the Default cluster. On the Hosts tab, click New.
2. The New Host dialog displays.
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   Figure 3.8. Attach Red Hat Enterprise Linux Host

   Enter the details in the following fields:
   • Data Center: the data center to which the host belongs. Select the Default data center.
   • Host Cluster: the cluster to which the host belongs. Select the Default cluster.
   • Name: a descriptive name for the host.
   • Address: the IP address, or resolvable hostname of the host, which was provided during installation.
   • SSH Port: The port your host is listening for SSH connections on.
   • Password: the root password of the designated host; used during installation of the host.
   • SSH PublicKey: The Manager's public SSH key. Add this to /root/.known_hosts to use passwordless authentication
   • Automatically configure host firewall: This check box allows you to override the firewall settings on the host with the default rules used by Red Hat Enterprise Virtualization.
   • SSH Fingerprint: You can either enter the SSH fingerprint you expect your host to have, or fetch it directly from the host. This security feature allows you to compare the expected fingerprint to the actual fingerprint.
3. If you wish to configure this host for Out of Band (OOB) power management, select the Power Management tab. Tick the Enable Power Management check box and provide the required information in the following fields:

   • Address: The address of the host.
   • User Name: A valid user name for the OOB management.
   • Password: A valid, robust password for the OOB management.
   • Type: The type of OOB management device. Select the appropriate device from the drop down list.
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     alom	Sun Advanced Lights Out Manager
     apc	American Power Conversion Master MasterSwitch network power switch
     bladecenter	IBM Bladecentre Remote Supervisor Adapter
     drac5	Dell Remote Access Controller for Dell computers
     eps	ePowerSwitch 8M+ network power switch
     ilo	HP Integrated Lights Out standard
     ilo3	HP Integrated Lights Out 3 standard
     ipmilan	Intelligent Platform Management Interface
     rsa	IBM Remote Supervisor Adaptor
     rsb	Fujitsu-Siemens RSB management interface
     wti	Western Telematic Inc Network PowerSwitch
     cisco_ucs	Cisco Unified Computing System Integrated Management Controller

   • Options: Extra command line options for the fence agent. Detailed documentation of the options available is provided in the man page for each fence agent.
   Click the Test button to test the operation of the OOB management solution.
   If you do not wish to configure power management, leave the Enable Power Management check box unmarked.
4. Click OK. If you have not configured power management, a pop-up window prompts you to confirm if you wish to proceed without power management. Select OK to continue.
5. The new host displays in the list of hosts with a status of Installing. Once installation is complete, the status will update to Reboot and then Awaiting. When the host is ready for use, its status changes to Up.