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<h3><a name="top">Setting Alert Actions in Linux</a> Operating Systems</h3>
<p>When you set Alert Actions for an event on systems running a supported Linux operating system, you can specify the action to "<font face="Courier New">display an alert on the server.</font>" To perform this action, Server
Administrator writes a message to the console. If the Server Administrator system is
running an X Window System, <font color="#000000">you do not see the</font>
message by default. To see the alert message on a Red Hat® Enterprise Linux
system when the X Window System is running, you must start <b>xconsole</b> or<b>
xterm -C</b> before the event occurs. To see the alert message on a SUSE®
Linux
Enterprise Server system when the X Window System is running, you must start <b>
xterm -C</b> before the event occurs.</p>
<p>When you set Alert Actions for an event, you can specify the action to "<font face="Courier New">broadcast
a message.</font>" To perform this action, Server Administrator executes the <b>wall</b>
command, which sends the message to everybody logged in with their message permission set
to <b>yes</b>. If the system running Server Administrator is running the X Window System, you <font
color="#000000">do not see the mes</font>sage by default. To see the broadcast
message when the X Window System is running, you must start a terminal such as <b>xterm</b> or <b>gnome-terminal</b> before the event occurs.</p>
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<td vAlign="top" width="17"><img border="0" src="note.gif" width="17" height="17"></td>
<td><span class="notes"><b>NOTE</b>:</span> On SUSE Linux Enterprise Server
9, messages sent by <b>wall</b> are displayed by the <b>xterm</b> terminal
program but not by the<b> Konsole</b> terminal program. </td>
</tr>
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<p>When you set Alert Actions for an event, you can specify the action to <font
face="Courier">"</font><font face="Courier New">execute an application</font>". Limitations are on the
applications that Server Administrator can execute. Follow these guidelines to ensure
proper execution:
<ul>
<li>Do not specify X Window System-based applications because Server Administrator cannot
execute such applications properly.</li>
<li>Do not specify applications that require input from the user because Server
Administrator cannot execute such applications properly.</li>
<li>Redirect the <b>stdout</b> and <b>stderr</b> commands to a file when specifying the
application so that you can see any output or error messages.</li>
<li>If you want to execute multiple applications (or commands) for an alert, create a
script to do that and put the full path to the script in the <b>application to
execute</b> box.<p>Example 1: <span class="screen">ps -ef >/tmp/psout.txt 2>&1</span></p>
</li>
<p>The command in Example 1 executes the application <b>ps </b>command, redirects the
<b>stdout</b> command to the file <b>/tmp/psout.txt</b>, and redirects the <b>stderr</b>
command to the same file as the <b>stdout </b>command.</p>
<p>Example 2: <span class="screen">mail -s "Server Alert" admin
</tmp/alertmsg.txt>/tmp/mailout.txt 2>&1</span></p>
<p>The command in Example 2 executes the mail application to send the message
contained in the file <b>/tmp/alertmsg.txt</b> to the Linux user,
the Admin, with the subject "Server Alert." The file <b>/tmp/alertmsg.txt </b>must
be created by the user before the event occurs. In addition, the <b>stdout</b>
and <b>stderr</b> commands are redirected to the file <b>/tmp/mailout.txt</b> if an error
occurs.</p>
</ul>
<p>[<a href="#top">Back to Top</a>]</p>
<h3><a name="top">Setting Alert Actions in Microsoft</a>®<a name="top"> Windows</a>®<a name="top">
2000 and Windows Server™ 2003</a></h3>
<p>When specifying alert actions, Visual Basic scripts are not automatically interpreted
by the Execute Application feature, although you can run a <b>.cmd</b>, <b>.com</b>, <b>.bat</b>,
or <b>.exe</b> file by only specifying the file as the alert action.</p>
<p>To resolve this issue, first call the command processor <b>cmd.exe</b> to start your
script. For example, the alert action value to execute an application can be set as
follows:</p>
<p><span class="screen">c:\winnt\system32\cmd.exe /c d:\example\example1.vbs</span> </p>
<p>where<span class="screen"> d:\example\example1.vbs</span> is the full path to the
script file. </p>
<p>Do not set
a path to an interactive application (an application that has a Graphical
User Interface or which requires user input) in the <b>Absolute path
to the application</b> field. The interactive application may not work as
expected on
some operating systems.</p>
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<td><span class="notes"><b>NOTE</b>:</span> The full path to both the <b>cmd.exe</b> file
and your script file should be specified. </td>
</tr>
</table>
<p>[<a href="#top">Back to Top</a>]</p>
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