In this sample, Nagios monitors remote Linux host via the plugin named ‘check_nrpe’. And the NRPE package needs to be installed on the remote Linux host, as it works as the Nagios Linux agent. * The following configurations need to be done on the remote Linux/Unix host: 1) Install prerequisite packages. yum install -y gcc … Continue reading Nagios: Monitoring Linux
Category: Monitoring
Nagios Installation
Today is the first day of my new job. I am currently working as a system/network administrator in a data center of a global organization. The first task I got is something on Nagios. I did not use Nagois before. Instead, I am pretty familiar with a similar product named WhatsUp Gold. I believe the … Continue reading Nagios Installation
Monitor bandwidth utilization in WUG
Another good Jscript for Whats Up Gold. Customize the nMaxUtilizationPercentage based on your situation. For instance, the ISP provides my client 10Mbps WAN connection, and my client firewall’s outside interface is 100Mbps. So if I want a alarm to be trigger when the bandwidth utilization higher than 90% (9Mbps), I need to change the nMaxUtilizationPercentage … Continue reading Monitor bandwidth utilization in WUG
Monitor Ping value in WUG
‘Whats Up Gold’ is one of my favorite monitoring tools. A big reason is that it allows me to create my own monitoring items. One typical example is to monitor the ping round trip time to make sure the ISP service meets their SLA. I found the following Jscript somewhere in the Whatsup forum. And … Continue reading Monitor Ping value in WUG
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