Download GLPI from command line on Linux

In this tutorial, I will explain how to download GLPI from the command line with wget, unzip it and move it to the virtualhost folder. If you have a Web server under Linux with Nginx, this tutorial will allow you to install GLPI without needing to use a WinSCP type client or FTP server. 1. …

Read more



Ubuntu: add an LVM disk and volume

In this tutorial, I will explain how to add an additional disk to an Ubuntu machine and create a new LMV volume for this disk. To explain this tutorial, I will start from a concrete case, I have a virtual machine on Hyper-V where Ubuntu 22.04 is installed. There is a first disk which is …

Read more



Postfix: configure a mail relay (MTA) on Ubuntu

In this tutorial, I will explain to you how to install (it’s the easiest) and configure Postfix on Ubuntu as an email relay to send emails from applications, equipment (copier, switch, etc.). This type of server is often used in businesses to send emails from different equipment and software, even if you have an internal …

Read more



Ubuntu 22.04: install Docker

In this tutorial, I will show you a script to install Docker and Docker Compose on Ubuntu 22.04. Today more and more applications are available in containers with Docker, I regularly have to install a new machine on Ubuntu and have to install Docker and Docker Compose. Personally, I prefer to install Docker from the …

Read more



DUF: show available disk space on Ubuntu

In this tutorial, I will explain how to install duf to show available disk space on Ubuntu. DUF is a command line utility that allows you to view available disk space on Linux and Windows in a terminal. If you are used to using Linux, you probably know the following command: df -h which allows …

Read more



Ubuntu Server: configure the time zone

In this tutorial, I will explain how to configure the time zone called timezone on Ubuntu Server. Unlike the Desktop version, when installing the server version of Ubuntu, the time zone is not requested, which means that by default, Ubuntu is in the UTC (+0) time zone. In order to have the logs and scheduled …

Read more



Ubuntu: add a certificate from an internal certificate authority

In this tutorial, I will show you how to add the certificate of an internal CA on an Ubuntu machine. In business, we often use an Enterprise Certification Authority, which allows us to generate certificates for applications, services, computers and users. If you have servers under Ubuntu and you want, for example, to use scripts …

Read more



Ubuntu: enable the firewall and manage it with UFW

In this tutorial, I will explain how to activate the firewall on a computer with Ubuntu and manage it with UFW. UFW for Uncomplicated Firewall is a simplified Netfilter command line utility, it is a simple alternative to iptables, which allows to manage firewall rules. If UFW is not installed, use the following command to …

Read more