Back up your databases with mysqldump

mysqldump is a command line utility that allows you to perform backups of MySQL and MariaDB databases. It is automatically installed during the installation of the MySQL or MariaDB server and it is available for Linux and Windows. Examples : Under Windows, you must go to the folder where the exe is located or indicate …

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Docker: installation and concrete use on Ubuntu

Introduction In this tutorial, I will explain to you how to install Docker on Ubuntu and then through a concrete example how and why to use Docker. At the time of writing this tutorial (in 2021) as SysAdmin, I was having a hard time finding a concrete use for containers including Docker (so I’ll let …

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MDT installation of applications when deploying Windows

Choisir les applications

In this tutorial, we are going to have how to add applications in MDT. This allows you to install applications when deploying Windows. To illustrate the tutorial, we are going to add the Google Chrome application to the server. Prerequisites On your MDT server create a GoogleChrome folder and drop the installation file into it. …

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Windows Server 2022: install the SSH server

In this tutorial, I will show you how to install SSH server (OpenSSH) on Windows Server 2019/2022. As of Windows Server 2019, the OpenSSH server is a native additional feature. For previous versions of Windows Server a tutorial is available here: OpenSSH client and server – installation on Windows Server 2012R2 and 2016 Using an …

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SSH: authentication by keys

In this tutorial, I will explain how to connect to a linux server / computer in SSH without password using a key pair (private / public). Generate the key pair with ssh-keygen To generate a pair of keys, you must have an SSH client available, it is possible to do it from Windows 10 or …

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Microsoft 365: create an SMTP connector with a fixed IP address

In this tutorial, I will explain how to create an SMTP connector in order to be able to send emails from the Microsoft servers of your Microsoft 365 tenant. As a prerequisite, you must have a fixed IP address. From the Exchange admin center interface, click on Connector 1 located in Mail flow. We arrive …

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Windows Server 2019: installing the Hyper-V role

In this tutorial, I will walk you through how to install the Hyper-V role on Windows Server 2019. If you have already installed the Hyper-V role on Windows Server 2012R2 or 2016, it is the same. Before installing Hyper-V, you must ensure that Bios level virtualization is enabled. In a production environment, you must also …

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Add a DNS zone on Windows Server

In this “how to” tutorial, I will show you how to add a DNS zone on a Windows DNS server. Open the DNS console On a server where the DNS role is installed, open the DNS Manager administrative console. Add a DNS zone in direct lookup zones In the left panel, right-click on Direct search …

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