LINUX HOWTO

You can find some interesting articles & guides on Linux based softwares here.

How to List Users using Linux Command Line

list users linux

The main job of a system admin is configuring and managing users and groups. In this article, I will show you how to list users in Linux using the command line. Commands that I show would work on all Linux [...]

Yash Vasa 3:33 am

How to Install and Configure DHCP on Ubuntu 18.04

configure dhcp ubuntu

A DHCP server configuration properties include Host Name, Domain Name, Time Server and Print Server. The server can allocate IP using client MAC address, using address pool and using automatic method. In this article, we are going to show how [...]

Hayk Gevorgyan 1:54 am

How to Check Service Running on Specific Port on Linux

Check Service Running Port

Occasionally, we may need to check out the default port number of specific services/protocols or services listening on certain ports on Linux. A number of command line tools are available to help you search port names and numbers in your [...]

Jamie Arthur 3:23 am

How to Install CHKROOTKIT on Ubuntu 18.04/Centos 7

Install CHKROOTKIT Linux

In this article, I'll explain how to install chkrootkit on our latest Ubuntu 18.04 and CentOS 7 systems. The chkrootkit is a common security scanner which helps the administrators to search the local system for signs that it is infected [...]

Saheetha Shameer 12:05 am

Termtosvg - A Tool to Record Terminal Session in Linux

termtosvg record linux terminal

During a presentation or a course/tutorial, you often need to present the results of the commands executed in your terminal. When the audience is present, it is possible to show the output immediately but for those who are not present, [...]

Alain Francois 12:13 am

How to Configure Static IP Address on Ubuntu 18.04

configure static ip ubuntu

Sometimes, you may find the need to configure a static IP address on your system. A  perfect example is when you want to make it a server and host services so that it is always reached using a permanent/static IP address. In [...]

Jamie Arthur 12:05 am

How to Remove Old kernel Versions from Boot on Ubuntu 18.04

Remove Old Kernel Versions Boot-Menu

Canonical provides regular updates for Ubuntu 18.04 system including kernel updates to manage the system’s resources as best as possible. This article will provide you some different methods to remove old kernels from the boot menu of your Ubuntu 18.04. When [...]

Alain Francois 2:46 am

How to Install MySQL 8.0 on Ubuntu 18.04

install mysql ubuntu

In this brief tutorial, we'll look at how you can install MySQL 8.0 on Ubuntu 18.04. MySQL is a free and opensource cross-platform database server that is used on many opensource projects and high availability systems such as LAMP and [...]

Jamie Arthur 5:34 am

How to Configure Postfix with Webmail on Ubuntu 18.04

postfix roundcube webmail ubuntu

We have shown in the first part of our tutorial how to install and configure Postfix on Ubuntu 18.04 with Dovecot, MySql, Nginx, Postfixadmin with which we have created the virtual domains and users. Now we are able to send [...]

Alain Francois 12:05 am

QtPad - Modern Customizable Sticky Note App for Linux

QtPad Sticky Note App Linux

In this article, we'll focus on how to install and use QtPad on Ubuntu 18.04. Qtpad is a unique and highly customizable sticky note application written in Qt5 and Python3 tailored for Unix systems. Some of its notable features include: [...]

Jamie Arthur 12:34 am

umonitor - Update Resolutions of Monitors on Hotplugged in Linux

umonitor arch linux

This guide will cover installation and basic usage of umonitor on Linux. umonitor is a dynamic monitor management written in C and distributed as a single binary package.  The name dynamic monitor management means that the positions and resolutions of your screen monitors will [...]

Josphat Mutai 12:05 am

How to Install Packages on Arch Linux

Install packages archlinux

Arch Linux is one of the popular Desktop Operating systems. Its main pros revolve around large community and thousands of packages that can be installed on Arch Linux, both from official repositories and from AUR. In this guide, we will [...]

Josphat Mutai 12:05 am

How to Install and Configure Postfix on Ubuntu 18.04

configure postfix mailserver ubuntu

Postfix is a free email server originally developed as an alternative, simpler and more secure to sendmail. This article will show you how to setup a postfix mail server on your Ubuntu 18.04 server. Postfix allows you to manage virtual users [...]

Alain Francois 7:29 am

How to Install Latest Python on Ubuntu 18.04

Install Python Ubuntu

In this article, we are going to show how to install the latest python on Ubuntu 18.04 machine using the terminal. Also, we will create a virtual environment and a simple program and run it. At the moment of writing [...]

Hayk Gevorgyan 9:41 am