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@@ -94,6 +94,23 @@ to use instead of the value in system/hostname.
For this to work, the new-name entry must map to a IP address, either
in DNS via an entry in /etc/hosts.
+Ignoring specific Nagios checks for some hosts
+----------------------------------------------
+
+Some times a machine have a package installed that cause some Nagios
+test to be enabled, but the service provided by the package is
+disabled and the check always fail. In this case, the Nagios test can
+be disabled using the /etc/sitesummary/nagiosignore file.
+
+For example, to disable the DHCP check for a given host, add the
+hostname and the Nagios check description to
+/etc/sitesummary/nagiosignore like this:
+
+ some.nagios.host.com process - dhcpd3
+
+The nagios description can be found in
+/var/lib/sitesummary/nagios-generated.cfg.
+
Design draft
------------
system to collect key info about all the machines on a site, to help