Introduction: In this section we are going to see how to upgrade the OS of Ubuntu 18.04 to Ubuntu 20.04 in a vps. Prerequisites: Procedure: Step 1: Update the current apt repository $ sudo apt update Step 2: Next upgrade the installed packages to the latest using $ sudo apt… Continue Reading How to upgrade the OS from Ubuntu 18.04 to Ubuntu 20.04 

Introduction: MediaWiki is a free and open-source software platform used to create and manage wikis. It was originally developed for Wikipedia and is now widely used by various organizations for knowledge sharing and collaboration. Prerequisites: Procedure: Step 1: Login to the server $ ssh username@IP Step 2: Move the logo to the… Continue Reading How to change the logo in MediaWiki website

Introduction: Metasploit is a tool that is used to check the vulnerabilities of websites. In this blog we are going to learn how to install the Metasploit in the server by following the below steps. Prerequisites: 1. A server with OS type Ubuntu 20.04 or higher.2. An user with sudo… Continue Reading How to install Metasploit on ubuntu20.04 or in Higher versions.

Introduction:In this guide, we will walk you through the process of updating and changing the time on your Ubuntu server using the command line. When you need to manually set the time, this guide will provide you with the information you need to get started. Prerequisites: Procedure: Step 1: Log… Continue Reading How to update/change time in the Ubuntu server.

Zabbix is a monitoring solution for IT infrastructure. We can monitor most of the devices in the network and most of the services on the servers. To monitor applications, we must have a Zabbix server installed in the network. Zabbix Agent is required on the systems, we need to monitor… Continue Reading How To Install Zabbix Agent on Ubuntu 

In this article we are going to resolve the Nagios alert “(No output on stdout) stderr: connect to address IP port 5666: Connection refused” on ubuntu 18.04 Prerequisites A system running Ubuntu 18.04 should have the following A user account with sudo privileges The System with ufw  The system with… Continue Reading Nagios Alert: (No output on stdout) stderr: connect to address IP port 5666: Connection refused on Ubuntu 18.04

How to solve the Website internal server error from the following apache error log”Invalid command ‘Header’ perhaps misspelled or defined by a module not included in the server configuration” Date: 16-12-2020 Step 1: You are getting above error due to header module is not enabled in Apache on Ubuntu. You… Continue Reading How to solve the Website internal server error from the following apache error log”Invalid command ‘Header’ perhaps misspelled or defined by a module not included in the server configuration”

How To Install Postman on Ubuntu 18.04 LTS Date : 24/07/2019 Introduction Postman is one of the powerful tool built for API development. Most importantly, Postman used to develop API faster. Initially, it started as a Chrome browser extension and quickly become one of the most used API tools by… Continue Reading How To Install Postman on Ubuntu 18.04 LTS

dpkg: error processing package javascript-common Date posted : 05/04/2019 When we installed VestaCP on a Ubuntu 18.04 system, we ran into this below error. In order to resolve this error, we need to clean up this package. We need to use purge option to delete the files completely. That solves… Continue Reading dpkg: error processing package javascript-common

Create apache Virtual Hosts In Ubuntu DATE POSTED: 06/03/2019 In this post we will explain how to create the virtual hosts in ubuntu. What is: Apache? Apache is the most important used web server software in the world because it is an open source software. This web server developed and… Continue Reading Create apache Virtual Hosts In Ubuntu