How to get distinguished names of LDAP object

Hello guys!
Sometimes we need to get exactly distinguished names of an object inside an
Active Directory.

For example, recently I need to know the DN of group to complete integration task with a Fortigate firewall.


NTP client configuration on Debian

Hi guys,
we can manage Linux machine and we need to specify the NTP server.

The solution is install ntpdate and configure it.
Ntpdate is a very simple NTP client to manage.
In my case I have installed this packet on Debian.
It works fine!


How to fix "Error dev fd0 sector 0" on Ubuntu Hyper-V virtual machine

Sometimes I have to install an Ubuntu Server machine on Hyper-V.
All works fine and I haven't  particular issues except this error:
Error dev fd0 sector 0


How to discovery the product key of your Microsoft Office

Sometime, happen that an helpdesk IT technician has got more Microsoft Office licences, or product keys, associate to an account on office.com .
This configuration could be a problem, if you need to detect the right product key to enable the Office again, for example on a new computer .

In this guide I show you how to see part of the product key using the command prompt.


How to install Active Directory in Windows Server 2019

In this guide I will show you how to install Active Directory in Windows Server.
In my case I am using Windows Server 2019, but this steps are the same in Windows Server 2012 and 2016.

I would just remember that this configuration of Windows Server will permit us to manage domain of your company.


How to fix error 550 5.7.1 client does not have permissions to send as this sender on Microsoft Exchange

Hi guys,
a few days ago, after a Microsoft Exchange mail server upgrade, just a client call me and said that his Outlook did not work! 😓
After some checks, I have noticed this error:
Error 550 5.7.1 client does not have permissions to send as this sender on Exchange
I get this error when I tried to send an email using his mailbox from Outlook and from the webmail of MS Exchange.


How to install phpMyAdmin

Hello network and system administrators!
Some time ago, a customer asked me an easy way to manage the Wordpress database on his virtual machine.
 My answare was "We can install phpMyAdmin and you will get a web interface to manage wordpress database!".

Let's get start!