UbuntuCategory

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 Set Up Apache Virtual Hosts on Ubuntu 16.04 DATE: 25-04-2020 INTRODUCTION: Virtual hosting is a method for hosting multiple domain names (with separate handling of each name) on a single server (or pool of servers). STEP 1:Create the Directory Structure The first step that we are going to take is to… Continue Reading How To Set Up Apache Virtual Hosts on Ubuntu 16.04

How to Install node js in Ubuntu-16.0.4 Date : 29/05/2019 Introduction : Node.js is an open-source, cross-platform Java Script run-time environment that executes JavaScript code outside of browser. In this tutorial, we are going to see how to install node.js on ubuntu. Prerequisite : Linux – Ubuntu. Steps: 1) First we need to update… Continue Reading How to Install node js in Ubuntu -16.0.4

How to Install Cmake on Linux. Date : 15/05/2019 Introduction : The “cmake” executable is the CMake command-line interface. It is used to configure projects in scripts. CMake is a cross-platform build system generator. Projects specify their build process with platform-independent CMake list files included in each directory of a source tree with the name… Continue Reading How to Install Cmake on Linux.

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

How to Install Webmin on Ubuntu 18.04 LTS Date posted: 06/01/2019 Introduction Webmin is a web-based OS system configuration tool for Unix-like systems such as  Linux, solaris and FreeBSD. It is released under BSD 3-clause “New” or “Revised” License. Webmin helps to manage the operating system’s internal such as changing passwords,… Continue Reading How to Install Webmin on Ubuntu 18.04 LTS

Things to know about Firewall cmd Date : 22-Oct-2018 firewall-cmd – Firewall Command Line Client tool. This is part of the firewalld application,which is installed by default. Introduction:  Firewall-cmd is the command line client of the firewalld daemon (firewall management tool for Linux OS). It provides interface to manage… Continue Reading Things to know about Firewall cmd

Nagios Remote Host Monitoring Dated on :05/10/2018 On Remote Host Step 1: Install the compiler gcc,glibc yum install -y gcc glibc glibc-common gd gd-devel make net-snmp openssl-devel Step 2: Add the user for the nagios using useradd nagios Note: If already exist skip this. Step 3: Add the password for… Continue Reading Nagios Remote Host Monitoring

How to Install Let’s Encrypt SSL Date posted: 28-sep-2018 Please follow  this steps to install the SSL certificate. Step 1: Install CertBot Type the given commands sudo apt-get install software-properties-common python-software-properties sudo add-apt-repository ppa:certbot/certbot sudo apt-get update sudo apt-get install python-certbot-apache   Step 2: Install Let’s Encrypt SSL Install Let’s Encrypt… Continue Reading How to Install Let’s Encrypt SSL