What is wget command? The ability to download content from the world wide web (the internet) and store it locally on your system is an important feature to have. The wget(Web get) command line utility is a freely available...Read More
What is curl command? The curl command is a powerful command line tool used to transfer data to or from a server. It can use any one of the supported protocols (HTTP, HTTPS, FTP, FTPS, SCP, SFTP, TFTP, DICT, TELNET, LDAP or...Read More
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
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
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
Measuring CPU performance with SAR command: We will continue our journey with our SAR command. We already covered on SAR command in our first post on how to install it. In this post we will see how to use SAR command to monitor...Read More
SAR command introduction in Linux SAR often used as an acronym for system activity reporter, is a versatile performance monitoring tool that forms an integral part of any system administrators’ toolkit. In Linux, the sar utility...Read More
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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.