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Linux 20 Jul 2022 ⏱ 3 min

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…

In this tutorial, I will explain how to optimize the disk space used by the databases (MailboxDatabase) of Exchange. What you need…

In this "How To" tutorial, I will explain how to delete a DNS record on Windows Server with the DNS Manager console.…

In a previous tutorial, I explained how to protect your Linux servers with Crowdsec in order to block "malicious" traffic. For almost…

In this tutorial, I will explain how to change the password of the KrbTgt account. Before explaining how to change the password…

GPO 15 Jun 2022 ⏱ 6 min

In this tutorial, I will walk you through how to create and use Group Policy WMI Filters to filter the application of…

If you're used to connecting to Windows servers, you may have noticed that Server Manager opens every time, although handy, this tends…

In this tutorial, we will address a security point on an Active Directory environment, which is the domain joining of computers. What…

GPO 25 May 2022 ⏱ 4 min

In this tutorial, I will explain how to force DNS registration of computers by Group Policy (GPO) in an Active Directory environment.…

Nginx 18 May 2022 ⏱ 2 min

After seeing how to install and configure Nginx as a reverse proxy and harden security with Crowdsec, I will explain in this…

Linux 11 May 2022 ⏱ 1 min

In this tutorial, I will explain how to extract the certificate and the private key from a certificate in PFX format with…

GPO 04 May 2022 ⏱ 5 min

In this tutorial, I will explain how by Group Policy (GPO) in an Active Directory environment, block the launch of programs and…