Home > nagios > HOWTO: Modifying Nagios HostGroup Services to find system issues

HOWTO: Modifying Nagios HostGroup Services to find system issues

Let’s assume for a moment that you have a working Nagios configuration.  You might be monitoring all of a domain, such as a TEST domain, and using a HOSTGROUP of TST_SERVERS to assign SERVICES to all hosts.  By adding a default check to the entire system, you can start looking for anomalies.

Scenario:

You want to confirm that Trend Micro Office Scan has been successfully deployed to all systems.  Equally you want to ensure that no one has disabled, stopped, or otherwise affected the services. 

1) Login to Nagios XI Core Configuration Manager as NagiosAdmin

2) Click on SERVICES on the LEFT.  Filter for TST to find all existing TST_* services. 

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Click CLONE next to “TST_SERVER_SVC_VMTOOLS”. 

3) Find the name of the Windows Service you want to monitor – such as “NTRTSCAN” to monitor “OfficeScan NT RealTime Scan”. 

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4) Modify the service:

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Modify the service to include “NTRTSCAN” and modify the DESCRIPTION/DISPLAY and check “ACTIVE”.  Click SAVE.  Then click APPLY CONFIGURATION.

5) Now, if you search for “Service – Office”:

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You can see which hosts don’t have the service running.  Those would be the systems you want to target. 

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