Disable server manager at logon

If you’re used to connecting to Windows servers, you may have noticed that Server Manager opens every time, although handy, this tends to “slow” the login and is intrusive especially when you don’t need it. I will explain how to disable its automatic opening. If you have already closed it, open the server manager. Click …

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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 use a Linux computer. 1. Copy the PFX file to your computer where OpenSSL is installed. 2. The first step will be to extract …

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Ubuntu: show default gateway

Here is how to display the default gateway on Ubuntu from the command line. Ubuntu 20.04 + (without net tools) Ubuntu 18.04 – (with net-tools)

PrintNightmare: secure print configuration

In this “little” tutorial, I will show you how to set up a “secure” configuration. Since the publication of the PrintNightmare flaw, Microsoft has deployed several updates to correct this problem and took the opportunity to modify the behavior of Windows to harden the configuration. In this tutorial, we will see the parameters to use …

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Ubuntu: create a user and add it to the sudo group

Small memo to create a user on Ubuntu and add it to the sudo group: Enter the password for the current user (sudo) if necessary, then enter the password for the new account twice and enter additional information as required. Confirm the information by pressing Enter. Now we add the user to the sudo group. …

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Use the hosts file to simulate a DNS record on Windows

Location of the hosts file : C:\Windows\System32\drivers\etc. Pour ajouter un enregistrement : 1. Start notepad as administrator. 2. Open the hosts file located in C:\Windows\System32\drivers\etc. To display the hosts file which has no extension it is necessary to select All files (*. *) 3. Add a record in the form: 4. Save and close the …

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