In this tutorial, I will explain how to resolve the following error : Warning: unprotected private key file! when you try to SSH from Linux to another SSH server with a private key set. When you try to connect via ssh with a private key, you get this message: Chances are you created the file …
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 version of Nginx available on Ubuntu repositories is 1.24.X. On the Nginx.org website, the Mainline version of Nginx is 1.27X and the Stable version is …
Introducing the Reverse Proxy In this tutorial, I will explain how to configure a reverse proxy with Apache on Ubuntu (By adapting the Apache installation commands, this tutorial can easily be transposed to other distributions). Before getting into the technical part, let’s take a look at what a Reverse proxy is? A reverse proxy is …
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 access problem, it is possible that your Linux starts in BusyBox mode with a disk error and you have a prompt (initramfs) as shown in the screenshot …
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. …
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 very often find when we want to run a Web server. With LAMP you can operate: For the Linux part, I will use …
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 …
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 …
The easiest and fastest way to display the list of users from the command line on Linux is to read the file /etc/passwd. We could simply use: The return of this command is not easy to read, to do this we cut the result to have only the first part of each line which corresponds …
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 …