WordPress is a free content management system (CMS) and well-known across the globe. It is an open source CMS based on MySQL and PHP. Beginners generally begin with WordPress on localhost. Here’s how we start with WordPress on localhost using XAMPP.TerminologyContent Management System (CMS) − A CMS has a central ... Read More

Do you know “How to take screenshots in Linux operating system”? then this article is for you! There are many tools, which are available for Linux operating systems but one of the most reputed tool for screenshots which I would recommend is Shutter. It is an open source program and ... Read More

In this article, we will learn how to use Anisble to configure and install production Elastic Search cluster on CentOS7 which ensures that the Elasticsearch nodes will be secure from outside network .we will use VPN services to connect to the clusters.Elasticsearch is a very popular open source search, server ... Read More

In this article, we will learn how to install Prometheus server to collect the metrics and query them and also install Grafana – a web based graphical dashboard builder. Prometheus is an open source monitoring tool with time series database. It addresses many aspects for monitoring and generating a collection ... Read More

In this article, we will learn about how to install and configure open source Puppet agent/master on the CentOS 7, which is from Puppet Labs. Puppet is a configuration management tool that helps system administrator to automate the configuration, provisioning and management of the server infrastructure. The Puppet agents are ... Read More

In this article, we will create a single partition on Linux using 2 drives of 20 GB each to make a 40 GB single mount point so that we can store the data in one place with more space on the volume. Here, we are using a package called ‘mhddfs‘ ... Read More

Jawbone and Fitbit are the two popular companies that design and develop awesome fitness trackers. More often than not, the products developed by these two companies have the tinge of perfection and look as immaculate as they should be. Having said that, the fitness tracker of Jawbone is the attention ... Read More

Fat arrow function as the name suggests helps in decreasing line of code. The syntax => shows fat arrow. This also avoids you to write the keyword “function” repeatedly.Here’s the syntax:argument => expressionUse the following for more than one argument:(argument1 [, argument2]) => expressionLet’s compare a function with and without ... Read More

Power line communications (PLC) allows data communications over conductors that are simultaneously used for transmission of electrical power.PLCs work by adding a modulated carrier signal, formed by superimposing data signal over low frequency power signal. Electrical signals transmit at 50 – 60 Hz, while the data signals transmit in the ... Read More

Fourier analysis is a method of representing general functions by approximate sum of simple trigonometric functions. The method is named after mathematician Jean Baptiste Joseph Fourier who formulated and proved the Fourier series. Fourier analysis is used in electronics, communications and acoustics.The Fourier series decomposes a periodic function as a ... Read More