Exchange 2016/2019 - convert a mailbox to a shared mailbox
In this tutorial, I will explain how to convert a “normal” mailbox into a shared mailbox. The main difference between a user mailbox and a shared mailbox is that the …
Tutorials
All IT tutorials: systems, networking, virtualization, security.
659 articles
PowerShell: show the contents of a text file
In this tutorial, I will show you how to display the contents of a text file (txt, yaml, php, vbs…) in a PowerShell window. In fact, it’s very simple, just use the Cmdlet …
Windows Server: disable a cipher suite
In this tutorial, I will walk you through how to disable a cipher suite also call cipher. If you arrive on this tutorial by a search engine, there is a good chance that …
Crowdsec: send logs to Elasticsearch (ELK)
In this tutorial, I will explain how to send decision logs to Elasticsearch (ELK) so that you can create a dashboard to use the logs. What you need to achieve what …
WSUS manually import an update from the Microsoft Update Catalog
In this tutorial, I will explain how to manually import a site updatehttps://www.catalog.update.microsoft.com/ in WSUS with PowerShell. By default, this operation is …
Delete a DNS zone on Windows Server
In this tutorial, I will explain how to delete a DNS zone on Windows Server. Open the DNS administration console {#Ouvrir-la-console-d’administration-DNS} On the Windows …
GPO: force updates from the console
Since Windows 2012, it is possible to force the update of group policies from the Group Policy Management console. It is no longer necessary to go through all the …
Ubuntu 20.04: add swap space
In this tutorial, I will walk you through how to add swap space on Ubuntu 20.04 and above. A swap space on Linux is a location on the disk, which allows the OS to load …
Zabbix: monitoring your infrastructure - installation and configuration with Docker
In this tutorial, I will explain how to set up Zabbix with Docker to monitor your server and network infrastructure. For those who follow me regularly, I have long been a …
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 …
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 …
Exchange: add a database in PowerShell
Dans ce tutoriel, je vais vous expliquer comment ajouter une base de données sur un serveur Exchange en PowerShell. The use of PowerShell saves time because several …