GPO: force DNS computer registration
In this tutorial, I will explain how to force DNS registration of computers by Group Policy (GPO) in an Active Directory environment. Maintaining a clean, up-to-date DNS …
Tutorials
All IT tutorials: systems, networking, virtualization, security.
659 articles
Nginx: generate a Let's Encrypt certificate
After seeing how to install and configure Nginx as a reverse proxy and harden security with Crowdsec , I will explain in this tutorial how to generate a Let’s Encrypt …
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 …
GPO: block programs and prevent software installation - software restriction
In this tutorial, I will explain how by Group Policy (GPO) in an Active Directory environment , block the launch of programs and prevent the installation of certain …
Active Directory: harden the security of your environment
In this tutorial dedicated to Active Directory and security, I will give you some tips to harden the level of security in order to be less vulnerable to attacks. The …
GPO: disabled SMBv1
In this tutorial, I will walk you through how to disable SMBv1 support add-on using Group Policy. To disable full SMBv1 support, you must act on the two SMB components …
MDT: deploy drivers
In this tutorial, we will see how to add drivers in MDT, so that they are installed when deploying Windows. Before importing the drivers into the MDT console, I advise …
MDT install Office when deploying Windows
Dans ce tutoriel, nous allons aborder l’installation d’Office lors du déploiement de Windows. If you are not familiar with application deployment with MDT, I invite you …
MDT : Application name is already used
When creating a new application in MDT, you get the following message: Application name “application name” is already used. This error occurs when trying to create a new …
MDT: Customize Sequence Based Deployment with TaskSequenceID
On MDT 2013 for the Priority=TaskSequenceID to be taken into account, you must modify the DeployWiz_SelectTS.vbs file 1. Backup the DeployWiz_SelectTS.vbs file located in …
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
Outlook 2016: Office 365 authentication white window – Solution
With Windows 7 and Office 2016 couple, a white window is displayed when authenticating with an Office 365 account. This is due to the non-activation of the TLS 1.1 and …