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 to Apache Guacamole and especially why to put it in place. What is Guacamole? No, I’m not going to talk about the avocado sauce recipe in this …

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Manage the DNS cache on Windows Server

In this “tutorial”, I will give you some PowerShell cmdlets to manage your DNS server cache on Windows Server. To be more precise, we will see 4 cmdlet PowerShell * -DnsServerCache cmdlets. Show-DnsServerCache The first command displays the DNS cache: The output of the command gives all DNS records cached on the server. In console …

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DISKPART : delete all partitions

In this tutorial, I will tell you how to delete all partitions from a hard drive with DISKPART. I am using this procedure to remove OEM partitions on computers from manufacturers like HP / DELL. Before performing this operation, make sure you have a backup of the data. Now that I have warned you, we …

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Windows 10 : use the native SSH client

On Windows 10, there is a native SSH client that can be used in a command prompt, PowerShell prompt, or Terminal. At the end of this tutorial, you will no longer need Putty if you are using it exclusively for logging in via SSH. Check if the client is installed The easiest way to check …

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Exchange : install and configure an SSL certificate

Présentation In this tutorial, I will explain how to install a certificate on Exchange 2013/2016/2019 and how to assign it to the different services. There are two ways to do this: Via the ECP web interface In PowerShell In this tutorial we will see the two ways to do this. Prerequisites You must have the …

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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 for example. We will first install the service on the Ubuntu server and then configure it so that it is accessible by the network …

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Remove all network printers from a workstation

The script allows you to delete all network printers on a workstation / server. ‘ ‘ RDR REMOVE NETWORK PRINTER ‘ ‘ ‘ Dim strComputer strComputer = “.” Set objWMIService = GetObject(“winmgmts:\\” & strComputer & “\root\cimv2”) Set colInstalledPrinters = objWMIService.ExecQuery (“Select * from Win32_Printer”) Set WshNetwork = WScript.CreateObject(“WScript.Network”) ‘msgbox “open script” ‘ Boucle sur les …

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Windows 10 : Choose the graphics card for software

In this tutorial, I will explain how to select the graphics card that will be used on software on Windows 10. This manipulation is to be done mainly on laptops which are equipped with several graphics cards. On mid-range and high-end laptops, they are often equipped with 2 graphics cards: Low consumption with limited performance …

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WSUS : recreate the SUSDB database

In this tutorial, I will walk you through how to reset the WSUS service by recreating the SUSDB database on WID (Windows Internal Database) and the updates storage folder (WsusContent / UpdateServicesPackages). This type of operation can normally be done “without too much risk”, resetting WSUS will see us lose the history of updates on …

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