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Using Sar To Monitor System Performance

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The sar utility, which is part of the systat package, can be used to review history performance data on your server. System resource utilization can be seen for given time frames to help troubleshoot performance issues, or to optimize performance. Installation Sar Sysstat can be easilly installed using the yum package manager: yum install sysstat … Read more

Adding clients to Nagios server

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Now let us add some clients to monitor by Nagios server. Add the EPEL repository to install “nagios-plugins” and “nrpe” packages in client systems. View also: How to Enable EPEL Repository for RHEL/CentOS 6/5 and Installing Nagios-3.4 in CentOS 6.3 Nagios server: Operating system : CentOS 6.4 IP Address : 192.168.1.80 Nagios client: Operating System … Read more