Dell OpenManage Plug-in Version 1.0 for Nagios Core User’s Guide

Discovering Dell Servers

You can discover 12th and later generations of Dell PowerEdge servers using Dell plug-in.

1. Log in to Nagios Core with Nagios administrator privileges.
2. Navigate to the directory <NAGIOS_HOME>/dell/scripts.
3. Run the Dell Server Discovery Utility with options: perl dell_agent_free_server_discovery.pl or perl dell_agent_free_server_discovery.pl -h

   The script syntax and information on options are displayed. For more information see About Dell Discovery Utility.

   Based on your requirement do the following:

   NOTE Before running the utility, ensure that you have updated protocol related information, for more information see About Protocol Parameters.

   To discover a device using an IP address or FQDN:

   • perl dell_agent_free_server_discovery.pl -H <IP address or FQDN name> –P <protocol>

   To discover using subnet with mask:

   • perl dell_agent_free_server_discovery.pl -S <subnet with mask> –P <protocol>

     An example format for subnet with mask: 11.98.149.0/24

   To do discover using a list of IP addresses present in a file:

   • perl dell_agent_free_server_discovery.pl -F <Ip Address list file> —P <protocol>

   • For the -P option, Opt for a protocol:

     • For SNMP, the value is 1.
     • For WS-MAN, the value is 2.
4. Once the discovery utility script is run, verify the Nagios configuration by running the command <NAGIOS_HOME>/bin/nagios -v /usr/local/nagios/etc/nagios.cfg.
5. Ensure that no errors are present and then restart Nagios Core by running the command service nagios restart.
6. You can view the logged information in the Log file path: <NAGIOS_HOME>/var/dell/discovery_<yyyymmddhhmiss>.dbg..
   In the filename, <yyyymmddhhmiss> pertains to the time when the log information was gathered; yyyy is the calendar year, mm is month, dd is date, hh is hour of the day, mi is minutes, and ss is seconds.