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14 nagios troubleshooting, 1 determining the status of the nagios service, 2 examining nagios log files – HP Insight Control Software for Linux User Manual

Page 222: 3 running nagios plug-ins manually

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Corrective Actions

Cause/Symptom

Determine that JavaScript has permission to replace context
menus in the browser.

Incorrect Performance Dashboard context menu is displayed
for a right-click of the mouse.

Restart the Performance Dashboard tool:

Performance Dashboard select metric menu might stop
working

On rare occasions, the Performance Dashboard select
metric menu stops working. The menu appears, but
selecting or unselecting a metric has no effect.

Tools

→Integrated Consoles→Performance Dashboard...

25.14 Nagios Troubleshooting

This section contains the following general troubleshooting topics for Nagios:

“Determining the status of the Nagios service” (page 222)

“Examining Nagios log files” (page 222)

“Running Nagios plug-ins manually” (page 222)

“Using the Nagios report generator analyze mode” (page 223)

“Messages reported by Nagios” (page 223)

“A check_nrpe error occurs during management agents installation” (page 225)

“Nagios gather_all_data script reports check_nrpe errors ” (page 226)

“Troubleshooting Nagios problems” (page 226)

25.14.1 Determining the status of the Nagios service

Use the following command to determine if Nagios is running properly:

# /etc/init.d/nagios status
Nagios ok: located 1 process, status log updated 22 seconds ago
Gathering status for nrpe ... iclx<3-8>NRPE v2.0 - iclx<3-8>
Nagios nsca:
iclx7: 0 data packet(s) sent to host successfully.
iclx5: 0 data packet(s) sent to host successfully.
iclx6: 0 data packet(s) sent to host successfully.

25.14.2 Examining Nagios log files

Examine the following log files to obtain information on Nagios operation:

For errors: the /opt/hptc/nagios/var/nagios.log file

For system status: the /opt/hptc/nagios/var/status.log file

For Nagios errors: the /var/log/messages file

25.14.3 Running Nagios plug-ins manually

The Nagios plug-ins are located in the /opt/hptc/nagios/libexec directory. You can run
them from the command line if needed.

To run the Nagios check_sel plug-in from the command line, follow these steps:

1.

Log in as the nagios user.

2.

Change to the following directory:

$ cd /opt/hptc/nagios/libexec

3.

Locate the Nagios plug-in you want to run, for example:

$ ls *_sel

4.

Optionally, invoke the Nagios plug-in with the --help option:

222 Troubleshooting