Create a raid 1 with Windows

In this tutorial, I will explain how to create a RAID 1 on Windows with Disk Manager. I have personally used this technique on several occasions both on my personal computers and on backup servers to secure backups that were stored on NAS whose volumes were present in iSCSI. Prerequisites On the computer or server …

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Optimize the space of SQL Server databases

Start optimization

In this tutorial I will show how to optimize the space used by databases. The optimization of the space is done in two stages: On the database: internal data optimization On files: reducing the size of the files on the disk. It is recommended that you perform these operations after deleting a large amount of …

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Sophos XG: Configure the SNMP Agent

added community

If you want to supervise the firewall using the SNMP service with software (PRTG, Centreon …), you must activate and configure the agent on the firewall. 1. From the administration interface, go to Administration 1 / SNMP 2 . Check the box 3 to activate the agent, enter the information 4 then click on Apply …

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BgInfo : print system information in the background

In this tutorial, I will show you how to display system related information with BgInfo. BgInfo allows you to display several information directly in the background of the computer, which allows you to know at a glance information such as the version of the OS, the IP address or the name of the computer. When …

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Hyper-V: Change the MAC Address of a Virtual Machine

MAC Adr

It is possible in Hyper-V as in VMware to change the MAC address of a network adapter of a virtual machine. We usually have to do this kind of operation on machines where the software uses the MAC address cards to generate the licenses 1. Open the Hyper-V console and go to the virtual machine …

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Exchange 2016: how to set up a DAG

In this tutorial, we’ll see how to set up a Database Availability Group (DAG) that makes the Exchange Highly Available (HA) databases available. This feature of Exchange makes it possible to put the databases that host the mailboxes in high availability, the databases replicate in “real time”. This solution ensures high availability of Exchange messaging …

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PRTG: Configure a Netflow Sensor

PRTG has a Netflow sensor, which makes it possible to transform it into a Netflow server so that network flows can be analyzed. Before configuring the sensor, you must set the network equipment to send the streams to PRTG. 1. From the equipment, add sensor 1 . 2. In the search area 1 enter netflow then …

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Exchange 2019: Installation

Server list

In this tutorial, we will see how to install Exchange 2019. The Exchange 2019 installation procedure is similar to Exchange 2016. Environment The domain used for this LAB is blank from Exchange. Prerequisites for the environment Before you start deploying Exchange 2019 in your environment, check the following conditions: In the case of a migration …

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Sophos XG: configure a Netflow server

Netflow is Cisco’s network-developed networking protocol, which collects information about IP flows. It is possible under Sophos XG to configure a Netflow server. PRTG has a Netflow sensor. 1. From the administration interface, go to Administration 1 / Netflow 2 and configure the server 3 . Validate by clicking Apply 4 .