https://rdr-it.com/en/tag/ubuntu/System administration, virtualization, security and tools for IT professionals.en-USFri, 09 Oct 2026 17:31:24 +0000https://rdr-it.com/en/ubuntu-display-s-m-a-r-t-data-for-an-nvme-drive/Wed, 29 Jul 2026 04:30:00 +0000https://rdr-it.com/en/ubuntu-display-s-m-a-r-t-data-for-an-nvme-drive/In this tutorial, I’ll explain how to view the S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology) data for an NVMe drive on Ubuntu using the command line. …https://rdr-it.com/en/ubuntu-testing-disk-performance-from-the-command-line/Fri, 24 Jul 2026 04:30:00 +0000https://rdr-it.com/en/ubuntu-testing-disk-performance-from-the-command-line/In this tutorial, I’ll explain how to test the read and write performance of a disk on Ubuntu using the command line. To give you some points of comparison, I ran the …https://rdr-it.com/en/ubuntu-how-to-block-updating-a-specific-package-with-apt-mark/Mon, 23 Feb 2026 06:00:00 +0000https://rdr-it.com/en/ubuntu-how-to-block-updating-a-specific-package-with-apt-mark/Find out how to block the update of a package under Ubuntu with apt-mark hold. Simple tutorial to freeze a version and avoid unwanted updates.https://rdr-it.com/en/windows-11-install-wsl-to-run-linux-on-windows/Wed, 09 Apr 2025 04:30:00 +0000https://rdr-it.com/en/windows-11-install-wsl-to-run-linux-on-windows/In this tutorial, I will explain how to install WSL (Windows Subsystem for Linux) on Windows 11 to allow you to run a Linux distribution (Ubuntu) directly on Windows. WSL …https://rdr-it.com/en/ubuntu-24-04-install-nginx-1-27-x/Wed, 26 Mar 2025 05:30:00 +0000https://rdr-it.com/en/ubuntu-24-04-install-nginx-1-27-x/In this tutorial, I will explain how to install Nginx version 1.27.X on Ubuntu 24.04 (this also works for Ubuntu version 22.04). At the time of writing this tutorial, the …https://rdr-it.com/en/ubuntu-24-04-installing-docker-and-docker-compose/Wed, 29 Jan 2025 05:30:00 +0000https://rdr-it.com/en/ubuntu-24-04-installing-docker-and-docker-compose/In this tutorial, I will explain how to install Docker and Docker Compose from the official Docker sources. Au moment de la rédaction de ce tutoriel, Ubuntu 24.04 vient …https://rdr-it.com/en/ubuntu-busybox-solve-unexpected-inconsistyency-error/Wed, 31 Jul 2024 04:30:00 +0000https://rdr-it.com/en/ubuntu-busybox-solve-unexpected-inconsistyency-error/In this tutorial, I will tell you how to resolve the UNEXPECTED INCONSISYENCY error when starting the computer in BusyBox mode. During a sudden shutdown with a disk …https://rdr-it.com/en/download-glpi-from-command-line-on-linux/Wed, 17 Jul 2024 04:30:00 +0000https://rdr-it.com/en/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 …https://rdr-it.com/en/ubuntu-22-04-install-a-lamp-server-linux-apache-mariadb-php/Wed, 03 Jul 2024 04:30:00 +0000https://rdr-it.com/en/ubuntu-22-04-install-a-lamp-server-linux-apache-mariadb-php/LAMP Overview In this tutorial, I will explain how to install a LAMP server on Ubuntu 22.04. LAMP stands for Linux Apache MariaDB PHP, it is a set of software that we …https://rdr-it.com/en/ubuntu-add-an-lvm-disk-and-volume/Wed, 24 Apr 2024 04:30:00 +0000https://rdr-it.com/en/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 …https://rdr-it.com/en/proxmox-use-cloud-init-to-deploy-ubuntu-virtual-machines/Thu, 11 Apr 2024 04:30:00 +0000https://rdr-it.com/en/proxmox-use-cloud-init-to-deploy-ubuntu-virtual-machines/In this tutorial, I will explain how to deploy virtual machines on Ubuntu with Proxmox using Cloud-Init. At the end of this tutorial, you will be able to deploy a virtual …https://rdr-it.com/en/postfix-configure-a-mail-relay-mta-on-ubuntu/Wed, 20 Mar 2024 05:30:00 +0000https://rdr-it.com/en/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 …https://rdr-it.com/en/ubuntu-22-04-install-docker/Wed, 07 Feb 2024 05:30:00 +0000https://rdr-it.com/en/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, …https://rdr-it.com/en/duf-show-available-disk-space-on-ubuntu/Wed, 29 Nov 2023 09:20:07 +0000https://rdr-it.com/en/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 …https://rdr-it.com/en/ufw-delete-a-rule/Wed, 22 Nov 2023 09:15:24 +0000https://rdr-it.com/en/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.https://rdr-it.com/en/ubuntu-server-configure-the-time-zone/Wed, 27 Sep 2023 13:37:54 +0000https://rdr-it.com/en/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 …https://rdr-it.com/en/ubuntu-add-a-certificate-from-an-internal-certificate-authority-40287/Wed, 13 Sep 2023 04:30:00 +0000https://rdr-it.com/en/ubuntu-add-a-certificate-from-an-internal-certificate-authority-40287/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, …https://rdr-it.com/en/ubuntu-enable-the-firewall-and-manage-it-with-ufw/Wed, 24 May 2023 04:30:00 +0000https://rdr-it.com/en/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 …https://rdr-it.com/en/ubuntu-configure-systemd-log-size/Wed, 22 Feb 2023 05:30:00 +0000https://rdr-it.com/en/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 …https://rdr-it.com/en/update-ansible-on-ubuntu/Wed, 18 Jan 2023 05:30:00 +0000https://rdr-it.com/en/update-ansible-on-ubuntu/In a previous tutorial, I explained how to install and use Ansible to execute automatic actions on your Windows and Linux servers. Like all applications, Ansible is …