07-22-2002
I'm not sure what you mean exactly by "directory has been updated," but I'm pretty sure the answer is no. You would need a daemon (continuously-running background process) to check from time to time. This works OK if (1) performance is not critical and, (2) it's OK to have the notification delayed by a time interval up to X, where X is the period between the checks.
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LEARN ABOUT CENTOS
rhsm-icon
rhsm-icon(8) Subscription Status Daemon rhsm-icon(8)
NAME
rhsm-icon - Periodically checks installed products against active subscriptions to check their status.
SYNOPSIS
rhsm-icon [--check-period] [--force-icon=warning|expired|partial] [--check-immediately]
DESCRIPTION
Red Hat provides content updates and support by issuing subscriptions for its products. These subscriptions are applied to systems
(machines) and apply to the installed software products.
On graphical X systems (systems with a GUI interface), a product status daemon runs every 4 hours to check the currently installed software
against the applied subscriptions. If software is installed without a valid and applied subscription (such as a subscription expires or no
subscription is available for the product), then the daemon triggers an icon and warning message to display in the notification area of the
menu.
rhsm-icon
only runs on graphical (X-based) systems. Servers which do not have a GUI interface do not run or require the rhsm-icon daemon.
OPTIONS
-c, --check-period
Sets the interval to use between checks for the product subscription status. The value is in seconds.
-f, --force-icon=TYPE
Manually displays the given type of icon in the start menu. The TYPE can be warning, expired, or partial and uses a different icon
for each type of message.
--i, --check-immediately
Runs the status check process immediately when the command is invoked. Otherwise, there is a four (4) minute delay before running
the check.
-d, --debug
Shows debug messages for the daemon.
USAGE
There are two reasons to invoke rhsm-icon manually:
* To run the daemon on a new schedule (immediately or with a different frequency)
* To view the status icons or messages regardless of the state of the machine
Since X runs the daemon automatically and on schedule, it is not necessary to launch the subscription status daemon manually. The rhsm-icon
command can change this schedule. For example:
rhsm-icon --check-period 120
Administrators can also run rhsm-icon to view any immediate changes to the subscription status of the system. Using the --check-immediately
option runs the check at the time the command is run; otherwise, running rhsm-icon has a four-minute delay before running the status check.
rhsm-icon --check-immediately
If you just want to know what the different subscription status messages look like, then use the --force-icon option. (Also use the
--check-immediately option, or the scan will take the standard four minutes to run and display the icon.)
rhsm-icon --force-icon=warning --check-immediately
rhsm-icon --force-icon=expired --check-immediately
rhsm-icon --force-icon=partial --check-immediately
BUGS
This daemon is part of Red Hat Subscription Manager. To file bugs against this daemon, go to https://bugzilla.redhat.com, and select Red
Hat > Red Hat Enterprise Linux > subscription-manager.
AUTHORS
Deon Lackey, <dlackey@redhat.com>, and James Bowes, <jbowes@redhat.com>. rhsm-icon was written by James Bowes.
COPYRIGHT
Copyright (c) 2010-2012 Red Hat, Inc. This is licensed under the GNU General Public License, version 2 (GPLv2). A copy of this license is
available at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
version 1.3 December 12, 2012 rhsm-icon(8)