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 …
Category
Linux
51 articles
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 …
How to display the list of users on Linux from the command line?
How to display the list of users on Linux from the command line? Use the command: sudo cat /etc/passwd | cut -d: -f1 to list users in the file /etc/passwd The easiest …
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, …
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 …
UFW: delete a rule
In this tutorial, I will explain how to easily delete a firewall rule managed by UFW. UFW is a command line interface that simplifies the use of iptables rules.
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: 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, …
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 …
Ubuntu: configure systemd log size
In this tutorial, we will see how to configure the size of systemd logs on an Ubuntu distribution. By default, the logs located in the /var/log/journal folder can take …
Install Docker on Ubuntu and Debian
In this tutorial, I will walk you through how to install Docker and Docker Compose on Ubuntu and Debian. Installation of Docker and docker-compose from the official …
Ubuntu: Install a Remote Desktop Server with XRDP
In this tutorial, I will explain how to install xRDP in order to have a remote desktop server (or rather a service) on Ubuntu. The purpose of this installation is not to …