Red Hat NETWORK 3.5 - PROVISIONING, Справочное руководство

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Chapter 4. Red Hat Network Website 55
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Config Channels — Set the subscription and rank of configuration channels that may be as-
sociated with the system. Enter numbers in the
Rank
fields to establish the order in which
channels are used. Channels with no numeric value are not associated with the system. Your
local configuration channel will always override all other channels for this system and there-
fore cannot have its rank adjusted from 1. All other channels are created in the Manage Con-
fig Channels
interface within the
Channels
category. Refer to Section 4.6.6 Manage Config
Channels for instructions. When satisfied, click Update .
•
Local Overrides
— View and manage the default configuration files for the system. If no files
exist, click the add, edit, or remove files link within the description to access the system’s
Config Channel Files
page. If a file exists, click its name to go to the
Configuration File
Details page. Refer to Section 4.6.6.7 Configuration File Details for instructions. To replicate
the file within a config channel, select its checkbox, click the
Copy to Config Channel
button,
and select the destination channel. To remove a file, select it and click Delete Selected Files .
•
Sandbox
— Manipulate configuration files without deploying them. This sandbox provides
you with an area to experiment with files without affecting systems. To add files, click the
import new files
link, select an option for their addition from the dropdown menu, and click
Go . Ensure you have the latest
rhncfg*
packages. The rest of the functions work like those
on the
Local Overrides
subtab.
•
Groups
— Lists the system’s associated groups and enables you to change these associations.
•
List/Remove
— Lists groups to which the system belongs and enables you to cancel those asso-
ciations. To remove the system from groups, select the groups’ checkboxes and click the Leave
Selected Groups
button. Click on a group’s name to go to its
System Group Details
page. Refer
to Section 4.4.3.3 System Group Details for more information.
•
Join — Lists groups that the system may be subscribed to. To add the system to groups, select
the groups’ checkboxes and click the
Join Selected Groups
button.
•
Snapshots
— Provides snapshots enabling rollback of the system’s package profile, configuration
files, and RHN settings. These snapshots are captured whenever an action takes place on the system.
•
Snapshots
— The default display of the
Snapshots
tab lists the reason, dates, and times for
snapshots taken. To revert to a previous configuration, click the snapshot taken at the desired
date and time and review the potential changes on the provided subtabs. When satisfied with the
reversion, return to the Rollback subtab and click the Rollback to Snapshot button. To see the
list again, click
Return to snapshot list
.
•
Snapshot Tags
— Provides a means to add meaningful descriptions to your system snapshots.
This can be used to indicate milestones, such as a known working configuration or a successful
upgrade. To tag the most recent snapshot, click create new system tag , enter a descriptive term in
the
Tag name
field, and click the
Tag Current Snapshot
button. You may then revert using this
tag directly by clicking its name in the Snapshot Tags list. To delete tags, select their checkboxes,
click
Remove Tags
, and confirm the action.
•
Kickstart — Enables the re-installation of the system based upon selectable parameters, includ-
ing specific Red Hat distribution. These kickstarts are based upon profiles developed within the
Kickstart interface. Refer to Section 4.4.10 Kickstart for details.
•
Session Status
— The default display of the
Kickstart
tab, if you’ve scheduled a kickstart,
shows where the system’s kickstart stands. Details include the kickstart profile used, its state,
and pending and latest actions. Kickstarts that do not complete within approximately two hours
will be marked as failed here. Click the profile name to access the Kickstart Details page. Click
the
view
link to see the actual kickstart configuration file generated by RHN. To force this page