How to monitor server memory usage with Nagios Remote Plugin Executor (NRPE)

In a previous tutorial, we have seen how we can set up Nagios Remote Plugin Executor (NRPE) in an existing Nagios setup. However, the scripts and plugins needed to monitor memory usage do not come with stock Nagios. In this tutorial, we will see how we can configure NRPE to monitor RAM usage of a […]
Continue reading…

 

How to identify CPU processor architecture on Linux

Multi-core processor architecture becomes increasingly popular nowadays. This trend is accelerated by the need for supporting multi-tenant hardware virtualization, high-performance computing applications, and Internet-scale workloads in data centers. As a server administrator and cloud architect, you must be aware of the CPU processor architecture of servers, so that server applications can take full advantage of […]
Continue reading…

 

How to monitor memory usage of a Linux process

When you check memory usage of individual Linux processes, you may often use top command line utility. While top command is a solid program for system monitoring purposes, there are other enhanced versions of top, in terms of user-friendliness. One such tool is called htop. The htop utility is an interactive process viewer for Linux. […]
Continue reading…