Author: Rahul

Grunt (The JavaScript Task Runner) is an automation tool to perform repetitive tasks like compilation, unit testing etc. Grunt has a long list of the plugin to perform tasks provided by its community. In this tutorial, you will learn how to install Grunt & Grunt-cli on Ubuntu 19.04, 18.04 LTS, 16.04 LTS and LinuxMint 9/8 systems. 1. Install Node.js & NPM If you already have node.js and npm installed on your system skip this step. Else you need to install node.js on your system first. Use the following set of commands to add node.js PPA in your Ubuntu system and…

In the evolving landscape of cybersecurity, keeping your system updated is not just recommended; it’s essential. For users of Ubuntu and Debian, two of the most popular Linux distributions, staying on top of security updates can shield you from vulnerabilities, ensuring that your system is safeguarded against the latest threats. This guide offers a step-by-step approach to applying these crucial updates, helping both novice and experienced users maintain a secure computing environment. Understanding Security Updates Before diving into the process, it’s important to understand what security updates are. These updates are released to address vulnerabilities in the system that could…

Grunt (The JavaScript Task Runner) is an automation tool to perform repetitive tasks like compilation, unit testing etc. Grunt has a long list of the plugin to perform tasks provided by its community. In this tutorial, you will learn how to install Grunt on CentOS, Red Hat and Fedora systems. 1. Install Node.js If you already have node.js and npm installed on your system skip this step. Else you need to install node.js on your system first. Use following set of commands to install node.js and npm on your system. yum install -y gcc-c++ make curl -sL https://rpm.nodesource.com/setup_10.x | sudo…

This tutorial will help you to change or reset Amazon RDS master user password via Amazon Web Services Console interface. 1. Login to Amazon Web Services Console. 2. Select the RDS instance you want to change password and click Modify. 3. Go to Settings section and enter your new master password in New master password input box. Then click Continue at the end of page. 4. Next window will show the changes is being made on RDS instance. Now check the box Apply Immediately and click Modify DB Instance. After completing the above steps, your RDS will go in maintenance…

Bash scripts are very useful for doing work easier. It also helps for task automation. This tutorial will help you to how to include bash script in other bash script. Create Sample Scripts For example, I am creating two scripts, first is config.sh which contains some variables. Second script is our main script main.sh, which includes first script and used variables defines there. Step 1 – First Script (config.sh) USERNAME=”rahul” EMAIL=”rahul@tecadmin.net” Main Script (main.sh) #!/bin/bash # Including config.sh, set filename with proper path. source config.sh echo Welcome ${USERNAME}! echo Your email is ${EMAIL}. Step 2 – Execute Script Let’s execute…

Python is a widely-used general-purpose programming language known for its simplicity, readability, and vast range of applications. Whether you are developing web applications, performing data analysis, or automating tasks, Python is an excellent choice. As of updating this article on July 2023, the latest Python version is Python 3.11.x. However, Python regularly releases new versions, so always check the Python official website for the most recent version. This guide will show you step by step how to install Python 3.x on your Windows computer. Step 1: Download Python Windows Installer First of all, download the required version of the Python…

Apache Tomcat is a widely used open-source Java Servlet Container developed by the Apache Software Foundation (ASF). It powers numerous large-scale, mission-critical web applications across a diverse range of industries and sectors. A common task for developers and system administrators working with Tomcat is changing the server’s port number. The default port for Tomcat is 8080, but there may be situations where you need to modify this port due to conflicts with other services, security policies, or to run multiple Tomcat instances on the same server. This guide provides a step-by-step approach to changing the Tomcat server port, ensuring even…

Fedora 24 final version has been released on Jun 21, 2016. Fedora Workstation users may required to upgrade there Workstations to use latest version. This tutorial will help you to Upgrade Fedora 23 to Fedora 24 Workstation using command line utility DNF. This is the recommended way to upgrade your Fedora release. The users running with Fedora 22 or older versions, its recommended upgrading to the next Fedora release first. Upgrade Fedora 23 to Fedora 24 Generally, servers run without any Desktop environment. So this section will useful for upgrading Fedora server as well as workstation using the command line.…

Python is a widely used high-level, interpreted, dynamic programming language. Python supports object-oriented, imperative, and functional or procedural programming styles. This tutorial will help you to install Python 2.7 on the Windows system. Download Python Installer First you need to download Python 2.7 installer. Visit Python official download page and download required version of installer. Install Python 2.7 on Windows After completing download of Python run the installer by click on it and follow the installation wizard. Select the option install for all user or for current user only. Now select the destination directory to extract and install python on…

Are you familiar with the ‘ERROR 2006 (HY000) at line XXX: MySQL server has gone away’ error message? If you have been working with MySQL and have encountered this error, it can be frustrating and even daunting, particularly if you’re unsure how to resolve it. This comprehensive guide will provide you with an understanding of what this error is, why it happens, and most importantly, how to resolve it. What is ‘ERROR 2006 (HY000)? Before we can begin to troubleshoot and resolve this error, we need to understand what it is. ‘ERROR 2006 (HY000) at line XXX: MySQL server has…