Docker: manage your containers with Portainer.io
In this tutorial, I will explain how to manage your Docker containers with Portainer. Portainer is an application that runs under Docker…
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Linux
50 articles
ncdu: analyze disk space in command line on Linux
In this "'little" tutorial, I will explain how to view and analyze the space in the command line on Linux with ncdu.…
Ubuntu – Extend LVM partition and disk
In this tutorial, I will explain how to extend a disk's partition and then the LVM disk. To understand what we are…
PFX certificate: extract the certificate and the private key
In this tutorial, I will explain how to extract the certificate and the private key from a certificate in PFX format with…
Ubuntu: show default gateway
Here is how to display the default gateway on Ubuntu from the command line. Ubuntu 20.04 + (without net tools) ip route…
Guacamole: Apache Reverse Proxy – Example
1. Install Apache2: sudo apt install apache2 -y 2. Enable Apache2 mods: a2enmod rewrite a2enmod proxy_http a2enmod proxy_wstunnel 3. Modify the default…
Find out how and why I usedDocker it for the first time
In this article, I’ll explain how and why I usedDocker for the first time. Since then, I’ve become a big fan of…
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…
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: sudo adduser NomUtilisateur Enter the password for…
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…
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…
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…