Guacamole: Apache Reverse Proxy – Example
1. Install Apache2: 2. Enable Apache2 mods: 3. Modify the default virtualhost or create a new one and add: 4. Restart Apache
Linux
Docker: installation and concrete use on Ubuntu
Introduction In this tutorial, I will explain to you how to install Docker on Ubuntu and then through a concrete example how and why to use Docker. At the time of writing this tutorial (in 2021) as SysAdmin, I was having a hard time finding a concrete use for containers including Docker (so I’ll let …
SSH: authentication by keys
In this tutorial, I will explain how to connect to a linux server / computer in SSH without password using a key pair (private / public). Generate the key pair with ssh-keygen To generate a pair of keys, you must have an SSH client available, it is possible to do it from Windows 10 or …
Ubuntu: create a user and add it to the sudo group
Small memo to create a user on Ubuntu and add it to the sudo group: Enter the password for the current user (sudo) if necessary, then enter the password for the new account twice and enter additional information as required. Confirm the information by pressing Enter. Now we add the user to the sudo group. …
Ubuntu : install the FusionInventory agent
In this tutorial, I will explain how to install the FusionInventory agent on Ubuntu in order to bring it up in your GLPI inventory. Installation is done from the command line. Installation of prerequisites To function correctly, it is necessary to install several packages first. Enter the command line below to install all dependencies : …
Guacamole: manage access to your IT environment
In this tutorial, I will explain how to install Guacamole on Ubuntu, configure access to equipment and use it. Before starting the technique, I will first introduce you to Apache Guacamole and especially why to put it in place. What is Guacamole? No, I’m not going to talk about the avocado sauce recipe in this …
Ubuntu: install and configure the SNMP service
In this tutorial, I will explain to you how to install and configure the SNMP service on Ubuntu, which will then allow you to monitor the server using PRTG or Centreon for example. We will first install the service on the Ubuntu server and then configure it so that it is accessible by the network …
Linux: display logs in real time
In this “how” tutorial, I will explain how to display logs in real time saved in a file in SSH This type of manipulation is useful when you want to see what is happening in real time. To illustrate this tutorial, I used the access logs of an NGINX server. Use the tail -f command …
Ubuntu: install Visual Studio Code
In this “How To” tutorial, we will see how to install the Microsoft Visual Studio Code IDE on Ubuntu. Open Ubuntu Software From the Unity desktop, open the Ubuntu application manager. Search for Visual Studio Code Click on the magnifying glass, to access the search area, enter visual studio and click on the VIsual Studio …
MariaDB: version update
In this tutorial, I’ll explain how to perform a “mounted” (10.4 to 10.5) version of MariaDB on a Linux environment (Ubuntu). Before starting this operation, it is imperative to perform at least a backup of the databases. If the server is backed up, verify the backup. Small tip if you are in a virtual environment …