Author: Rahul

The head command is a command-line utility in most Linux distributions that is used to print data from the beginning of one or more files. It is also used to output piped data to CLI. We can use different options to print any number of lines or bytes of data to the standard output but by default the head command prints the first 10 lines of the file. In this comprehensive guide, we will learn to use the head command in Linux. Moreover, we will also get familiar with the options for the head command that is available on Linux.…

Mattermost Desktop is the client application for the Desktop systems to user their mattermost account. You must have Mattermost server installed in your self-managed instance or signup for the Mattermost cloud. For this tutorial, I have created an account on Mattermost cloud free version. You can go with professional or enterprise edition as per your requirements. This tutorial describe you to how to install Mattermost desktop client on Ubuntu 20.04 LTS Linux system. Prerequisites You must have Desktop install on your Ubuntu system. Login as sudo privileged account on your Ubuntu 20.04 system. Open terminal and update current system packages…

Google Cloud SDK (Software Development Kit) provides a set of tools that are used to manage resources hosted on Google Cloud Platform (GCP). The SDK provides gcloud, gsutil, nd bq commands with the ability to access the Google Cloud via the terminal. The Cloud SDK team provides official PPA for the Debian packages to install on Ubuntu systems. Also the Cloud SDK is available in form of Snap package, which allow you to quickly install Google Cloud SDK on Ubuntu system. This tutorial describe you to how to install Google Cloud SDK on Ubuntu 20.04 LTS Linux system. Prerequisites Login…

These set of instruction helps you to setup Github Actions to build an Angular project and deploy to the Firebase hosting on push event. Even you can refer this tutorial to build any node.js application and deploy to firebase. Github actions allows you to automate, customize, and execute your software development workflows right in your repository. It is the best way to create and maintain a Continuous Integration/Continuous Deployment (CI/CD) lifecyle for your application. We assume you already have pushed your application to Github repository. Let’s start with the configuration of Github actions. Step 1 – Create Github Action Login…

IntelliJ IDEA is an popular integrated development environment for the Java application’s. It is developed by JetBrains. IntelliJ IDEA is must friendlier to beginners thanks to its ease of code completion and inspection. Basically, It also provides intelligent coding assistance for many other languages such as SQL, JPQL, HTML, JavaScript, etc. IntelliJ IDEA community and ultimate versions are available as snappy package. Which allows you to install it quickly with single command. This tutorial will help you to install IntelliJ IDEA on Ubuntu 20.04 LTS Linux system. Prerequisite In order to use IntelliJ IDEA, your system must have Dekstop installed…

PHP is a scripting language, and a powerful tool for developing dynamic and interactive Web pages. It was originally created in 1994 by Danish-Canadian programmer Rasmus Lerdorf. According to W3Techs’ data, PHP is used by 78.9% websites running in public network. So almost 8 out of every 10 websites on the Internet are using PHP in some way. PHP 8.0 is the latest available version for the web development. It is the most advanced and secure version released by the PHP Team. This tutorial will help you to install PHP 8.0 on Debain 10 Buster Linux system. Step 1 -…

Vim is a popular text editor that is commonly used in the programming world. One of the most important features of Vim is its search functionality. Vim’s search capabilities allow you to quickly locate specific text in a file, making it an essential tool for developers and anyone who works with text files. In this beginner’s guide, we will explore how to search in Vim and some useful tips to improve your productivity. Basic Search To search for a specific text in Vim, you need to be in the normal mode, which is the default mode in Vim. Then, press…

PHP 8.0 is a major update released by the PHP team on Nov 26, 2020. It contains a large number of new features and optimizations over previous versions. To read more about read the PHP 8 change log. REMI and EPEL are the most popular repositories contains latest RPM packages for installation. It also contains the PHP 8 RPM packages to be install on CentOS/RHEL 8 systems. This article will describe you to how to install PHP 8 on CentOS 8 or RHEL 8 Linux system. Before we Begin Login to the CentOS 8 system with sudo privileged account. Optionally,…

Apache Kafka is an open-source, distributed event streaming platform developed by the Apache Software Foundation. This is written in Scala and Java programming languages. You can install Kafka on any platform supporting Java. This tutorial described you step-by-step tutorial to install Apache Kafka on Ubuntu 20.04 LTS Linux system. You will also learn to create topics in Kafka and run producer and consumer nodes. Prerequisites You must have sudo privileged account access to the Ubuntu 20.04 Linux system. Step 1 – Installing Java Apache Kafka can be run on all platforms supported by Java. In order to set up Kafka…

Webmin, by default, operates on port 10000 using a self-signed SSL certificate, leading to security warnings in browsers. Many organizations prohibit the use of self-signed certificates for security reasons. Let’s Encrypt, a free, open certificate authority provided by the Internet Security Research Group (ISRG), offers complimentary SSL certificates valid for 90 days. These certificates can be manually renewed or set to auto-renew before expiration. This guide explains how to install a Let’s Encrypt SSL certificate for your Webmin hostname. Updating Webmin Hostname Ensure your Webmin is linked to a valid domain name. Select a domain or subdomain for Webmin and…