it is now easy to do so. Please note that when this image is applied any files
that are not part of the software or configuration channels created in the
previous section of this document will be permanently deleted.
1. Log in to the Satellite's web interface as a System Group Administrator, a
Provisioning Administrator, or the Organization Administrator.
2. Navigate to the Systems page. Select the machine or machines to which
you would like to apply the image and click the Update List button at the
bottom of the screen.
3. Navigate to the System Set Manager page from the left navigation bar.
From the resulting page, navigate to the Provisioning page, followed by the
Kickstart page.
4. On the Kickstart page, select the profile that was created in the previous
section. Click the Schedule Kickstart button and confirm your decision to
reboot and reinstall the systems.
The systems will be reinstalled with fresh installations of the software channel
you selected. They will also: register with the Satellite, subscribe to both the
software and configuration channels created above, and receive the
configuration files previously uploaded.
Conclusion
Careful preparation of a client image on a Red Hat Network Satellite can result
in easy system cloning or disaster recovery. Nearly any file or package on a
system can be uploaded to a custom channel, then automatically downloaded
to the restored system.
Appendix – Using Snapshots
There is a simpler way to return a client system to a previous state at any time
– system snapshots. Using snapshots avoids the necessity of creating custom
channels, uploading files, or Kickstarting the system. However, snapshots
cannot assist in disaster recovery, nor can they be used to revert any files not
managed via the Satellite. The client system must have a Provisioning
entitlement in order to use snapshots.
Any time the Satellite performs an action on the client system, that action is
recorded as part of its system details. Each of these actions can then be
incrementally rolled back to any given point in time. Because distinguishing
between these actions can be difficult, RHN provides the ability to tag these
snapshots, so that you can easily choose the point to which you wish to revert.
To view the snapshots for a specific system:
1. Log in as the system's administrator or the Organization Administrator.
Creating and Restoring a Selective System Image Using Red Hat Network Satellite 7
(42 paginas)
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