Optimize the space of SQL Server databases
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 …
Tutorials
All IT tutorials: systems, networking, virtualization, security.
660 articles
Sophos XG: Configure the SNMP Agent
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 …
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 …
Hyper-V: Change the MAC Address of a Virtual Machine
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 …
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 …
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 …
Exchange 2019: Installation
In this tutorial, we will see how to install Exchange 2019. The Exchange 2019 installation procedure is similar to Exchange 2016 . Environment A domain controller running …
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 …
Sophos XG : port forwarding rule
This tutorial explains how to create a rule on a Sophos XG <= 17 firewall to transfer internet traffic to a DMZ server.
Printer mapping: GPO and Script
When setting up an Active Directory, one of the things you want to set up automatically is the mapping of printers to users. Prerequisite: Have a server with the Print …
Sophos XG: change the SSL VPN port
By default the SSL VPN port on the Sophos XG firewall is 8443, since version 17.1 it is possible to change the VPN listening port. Using port 443 for VPN blocks listening …
Sophos XG: add a host
This tutorial shows how to add a host (object) on a Sphos XG firewall in order to be able to use it in the different traffic rules