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VIM Editor

Vim is an advanced and highly configurable text editor built to enable efficient text editing. Vim text editor is developed by Bram Moolenaar. It supports...

Input/Output Redirection in Linux/Unix

What is Redirection? Redirection is a feature in Linux such that when executing a command, you can change the standard input/output devices. The basic workflow...

Unix and Linux history

Unix, Linux, and variant history Introduction Once upon a time operating systems were complex and unwieldy. One day in the late 1960s,Ken Thompson,  Dennis Ritchie and a...

How to create and enable Swap Partition on Centos / RHEL 8

Swap Space Introduction Have you experienced a memory spike? A moment where your system is getting slower due to lack of physical memory. Linux has...

Kafdrop – WebUI for Kafka

Kafdrop is a webUI for Apache Kafka. Kafdrop is an open-source tool which displays the information like broker details, creates a topic, delete a...

How to run Virtual Machines on your Linux Server (Ubuntu/RHEL/CENTOS 7) – KVM Hypervisor

Introduction What is a Virtual Machine (VM)? A virtual machine (VM) is a virtual environment that functions as a virtual computer system with its own CPU,...

Puppet Server 6+ Client Ubuntu 20.04/21.04

What is Puppet? Puppet is a configuration management tool to automate infrastructure management and configuration i.e., it manages configuration data on other systems, including...

How to install and configure Chef server on ubuntu

Chef is a ruby based technology which makes the work of developers easy and smooth. Like if a developer wants to push an update...

Ansible Installation & Configuration on CentOS-7/8

What is Ansible ? Ansible is a radically simple IT automation engine that automates cloud provisioning, configuration management, application deployment, intra-service orchestration, and many other IT needs. It is an...

Change timezone on Ubuntu 18.04/20.04/21.04

In this article, we will learn how can we change the system timezone on Ubuntu 18.04 or on 20.04 or 21.04 machines using the...

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