[install-guide] Added some words about cobbler-related SELinux booleans to cobbler setup section.

[Pete Travis]

commit ef5cad54ee0351a738e3437b1ded974bdfd0f4d7
Author: Pete Travis <immanetize(a)fedoraproject.org&gt;
Date:   Thu Mar 15 18:50:00 2012 -0600

    Added some words about cobbler-related SELinux booleans to cobbler setup section.

 en-US/pxe-server.xml |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/en-US/pxe-server.xml b/en-US/pxe-server.xml
index 94a8b2f..f51e332 100644
--- a/en-US/pxe-server.xml
+++ b/en-US/pxe-server.xml
@@ -47,6 +47,10 @@
 	settings for validity and report the results.  Run the following
 	command to check the settings:</para>
       <screen><command><![CDATA[cobbler
check]]></command></screen>
+      <para>Verify SELinux is configured for
<package>cobbler</package>:</para>
+      <screen><command><![CDATA[setsebool -P
httpd_can_network_connect_cobbler 1]]></command></screen>
+      <para>Other SELinux booleans may apply, and can be listed with:</para>
+      <screen><command><![CDATA[getsebool -a|grep
cobbler]]></command></screen>
       <para>Change the settings in the
       <filename>/etc/cobbler/settings</filename> file to reflect the
       IP address information for the server.  You must change at least