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 and will allow you to have a …
Category
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. If you are adapted from WinDirStat or TreeSize on …
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 going to do in this tutorial, I have a virtual machine …
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 OpenSSL. The easiest way to use OpenSSL is to …
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 show Ubuntu 18.04 - (with net-tools) 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 virtualhost or …
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 this technology, and whenever possible, I use it to deploy …
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 …
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 the current user (sudo) if necessary, then enter …
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 …
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 …
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 …