The ability to accurately measure CPU usage of a system is essential to ensure optimal operation of the applications or databases running on that system. The mpstat Linux command is a utility that collects and displays...Read More
In an earlier article, we demonstrated the installation and setup of Prometheus, a lightweight, and user-friendly open source monitoring tool. In this article, we will show you how to integrate data collected by Prometheus with...Read More
What is Prometheus? Prometheus is an open source monitoring tool which was developed in 2012. Its architecture is modular and comes with several readily available modules called exporters, which help you capture metrics from...Read More
The sleep is one of the commonly used commands in many shell scripts. The other commands which we frequently use in shell scripts are an echo, read, print commands etc. In this post, we will cover sleep command and TMOUT system...Read More
What is Linux Kernel? The kernel is just a piece of code. Ok, not a bit of code 1000’s of lines. For example, Linux kernel has 20 million lines of code. A kernel is a central part of computer operating system which...Read More
The lsblk Linux command is a useful command which lists information about all or the specified block devices. It queries the /sys virtual file system to obtain the information that it displays. The command displays...Read More
The iotop is a free and useful Linux top command like monitoring tool meant to monitor disk I/O activity on the server. You must have a kernel version of 2.6.20 or later to use iotop. It requires root privileges to execute. We...Read More
In this article, I’ll explain how we may use ntpdate and ntptrace commands while working o debugging or troubleshooting NTP related issues. We already showed how to install and configure NTP in Linux Redhat/Centos and...Read More
What is NTP? Accurate system time is essential for the software and applications installed on the server to be able to operate correctly. NTP synchronizes very critically for financial and telemetric applications. The issue with...Read More
AWK is a powerful regular expression filtering and pattern matching scripting language. Please consider heading to awk tutorials section to read through our other awesome AWK tutorials which deep dive into different aspects of...Read More
In the final article in this series, we’ll focus on generating a graphical view of sar data using ksar command because we’ve all heard the phrase a picture speaks a thousand words. Steps to install ksar in Linux Check and fix...Read More
SAR file collection and historical reporting data: In a previous article, we described how sar reports data on various system performance metrics in real time. In this article, we talk about sar data is collected, stored and...Read More
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How to setup prometheus monitoring tool on Centos 7Nov 16, 2017 | Open Source
My name is Surendra Kumar Anne. I hail from Vijayawada which is cultural capital of south Indian state of Andhra Pradesh. I am a Linux evangelist who believes in Hard work, A down to earth person, Likes to share knowledge with others, Loves dogs, Likes photography. At present I work at Bank of America as Sr. Analyst Systems and Administration. You can contact me at surendra (@) linuxnix dot com.