What process should nagios look for to check IIS7 running status

iis-7nagios

We're finally rolling out Server 2008 systems and our old IIS6 check looked for IIS.exe, which doesn't appear to be used anymore. Is there a better process name to look for?

We already have network availability checks in place, but having multiple forms of checks like this helps diagnose where not to look.

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Looking at one of my own systems, as long as your site has traffic, it seems like you should have at least one w3wp.exe process running, spawned from svchost (command line: C:\Windows\system32\svchost.exe -k iissvcs). It doesn't look like any w3wp.exe processes start until you get at least one hit.

I'm assuming you're also checking to see if the service itself is started, which I would think is a better check than just looking for an exe.

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Nagios check for service not if host is up

You probably want to switch off host notifications, rather than host checks. Nagios only alerts on service failures if it thinks the host is up; if you switch off host checks then you will get a flood of service notifications when the host goes away.

To switch off host notifications, set notification_options to n like this:

define host {
    use                    generic-host
    host_name              example
    address                192.168.1.254
    notification_options   n
}

(assuming you have a definition of generic-host somewhere else)

Cannot get check_uptime plugin for Nagios to work. Unknown status

Nver mind. I figured it out.

Looks like I have to invoke check_nrpe in /usr/local/nagios/etc/objects/hosts/machine1.cfg as follows:

    define service{
        use                             generic-service
        host_name                       machine1
        service_description             Uptime
        check_command                   check_nrpe!check_uptime
}

Edit: It also looks that the check_uptime command should not be invoked with the -H $HOSTADDRESS$ parameter in commands.cfg on the server end. Once that is removed, it will work on the server.

Hope this helps somebody else.

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Nagios check for service not if host is up

Cannot get check_uptime plugin for Nagios to work. Unknown status

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