Author: Rahul

Ruby is a popular programming language among a large number of developers. Rails are the framework to run the ruby language. Ruby language was created by Yukihiro “Matz” Matsumoto and first published in 1995. This article will help you to install ruby on rails on Ubuntu and LinuxMint Linux systems using RVM. RVM is the Ruby Version Manager that helps for installing and managing Ruby language on systems. In this blog post, you will get instructions to install Ruby on a Ubuntu and Debian system. Step 1 – Installing RVM First of all, install the latest stable version of RVM…

Working with Git, you often create multiple branches to manage different features or stages of your project. However, as you merge these branches or they become obsolete, it’s essential to clean them up. This tutorial will guide you through the process of deleting local and remote Git branches. Prerequisites Basic understanding of Git commands Git installed on your system Access to a Git repository Step 1: List All Your Branches Before deleting any branches, it’s a good idea to see a list of all existing branches. Command: git branch Purpose: Lists all local branches Example: git branch Step 2: Delete…

In the world of software development, version control systems are a godsend. They allow us to track changes to our code, collaborate with others, and even revert to previous versions of our work if something goes wrong. One of the most popular version control systems is Git. Today, we will delve into a practical guide on how to clone Git repositories and add files. 1. Understanding Git Before we dive into the practicalities, let’s clarify what Git is. Git is a distributed version control system. This means that every contributor has a complete local copy of the project history and…

OpenSSH is the most popular ssh server for Linux-based systems. It is used to connect the ssh server securely from remote systems having ssh clients. This article will help you install the OpenSSH server on Debian Linux systems. OpenSSH is the most widely used ssh server for Linux-based systems. This article describes how to install the OpenSSH server on Debian Linux systems. OpenSSH is used to connect securely to the server from remote ssh client systems. Step 1 – Installing OpenSSH Server on Debian OpenSSH server can be installed on Debian systems using the default Apt repositories. You can update…

LibreOffice 6.2 has been released and available in the official backports PPA for the installation on Ubuntu systems. It is a free office suite application with many enhancement over previous versions. It has included lots of useful features, which becomes office management very easy. It is the most powerful free & open source office suite specifically for Linux desktop users. This article will help you to install LibreOffice 6.2 on Ubuntu 19.04, 18.04 LTS, 16.04 LTS systems. Install Libreoffice on Ubuntu Use the following commands to add LibreOffice PPA to your system and install it on your system with simple…

NRPE (Nagios Remote Plugin Executor) is used for executing Nagios plugins on remote client systems. In previous article we had described about installation of Nagios Server on Ubuntu operating system. This article will help you to install NRPE on Ubuntu 18.04 LTS, 16.04 LTS & LinuxMint 19/18 systems. Useful Articles: How to Monitor Remote Linux System with Nagios How to Monitor Remote Linux System over SSH Step 1 – Install NRPE on Ubuntu NRPE packages are available under the default repositories on Ubuntu systems. Open a terminal and run the following command to install: sudo apt update sudo apt install…

For the security purpose by default IP forwarding is disabled in modern Linux operating system. If you are required to enable IP forwarding on your system, follow the below steps. In this article, you will get how to check that IP forwarding is enabled or not. If not, enable it. Check Current IP Forwarding Check the value if ip_forward in /proc filesystem as following command. cat /proc/sys/net/ipv4/ip_forward 0 or we can use sysctl command line to query for kernel values like below command. sudo sysctl net.ipv4.ip_forward net.ipv4.ip_forward = 0 Enable Kernel IP Forwarding Let’s enable the IP forwarding for your…

While writing a JavaScript program, I faced following error many times. If you are also getting the same error, This article will help you to fix this error. Solution 1 :- Generally this error found when we forgot to include core jQuery JavaScript file. So make sure you have included jQuery JavaScript in your web page. <script src=”http://code.jquery.com/jquery-1.11.3.min.js”></script> Solution 2 :- If you already have included jQuery file in your webpage. Now check the sequence of adding JavaScript files in your webpage. Might be you have included some JavaScript files before core jQuery script file. So make sure that code…

We found jQuery’s extend() function is the best way for creating a clone object in JavaScript. jQuery’s extend() functions is also useful for merging two or more objects in a single object. This article will help you to create a clone of an object in JavaScript using jQuery’s extend() function. JavaScript Clone Object Code: If you look in below code in JavaScript, you will find that first we have defined our first object named Obj1 with some demo values. After that we have cloned it to new object named Obj2 using extend() function. Then updated value of Obj2.name variable for…

uTorrent is most popular torrent client available for Linux systems. uTorrent downloads file very fast and efficiently as possible without slowing other online activities. This article will help you to install uTorrent on Ubuntu, Debian & LinuxMint systems with easy steps. Step 1 – Prerequsiteis Before installing uTorrent on system first install required packages using following command. sudo apt-get install libssl0.9.8:i386 Step 2 – Setup uTorrent Download the uTorrent server source code from its official website. cd /usr/src sudo wget http://download.utorrent.com/linux/utorrent-server-3.0-25053.tar.gz Now extract the downloaded archive using following command. sudo tar xvzf utorrent-server-3.0-25053.tar.gz sudo chmod -R 777 /usr/src/utorrent-server-v3_0/ Now make…