In this tutorial, I will explain how to delete a mailbox on Exchange 2016/2019, without deleting the user who is linked to this mailbox. On the ECP interface, if you use the trash can icon in addition to deleting the mailbox, this deletes the user in the Active Directory, or it happens in some cases …
In this new tutorial dedicated to Zabbix, I will explain how to monitor a web server under Nginx in order to have performance metrics. For monitoring, Zabbix agent should be installed on Nginx server, as we will use it to collect statics which will then send to Zabbix monitoring server. Before configuring monitoring at Zabbix …
In this tutorial, I will explain how to change a mailbox database in Exchange 2016/2019 using PowerShell and the Cmdlet New-MoveRequest. If you don’t like command lines, it’s always possible to do it from the graphical user interface (ECP): Exchange: change a database mailbox. Personally, I prefer to do it in PowerShell which requires less …
In this tutorial, I will walk you through how to schedule computers to automatically shut down using Group Policy. In fact, there is no native functionality in Windows to shut down computers, but we will use Group Policy to deploy a scheduled task to Active Directory domain member computers that will shut them down. Often …
In this tutorial, I will show you, how to restart a service (systemctl) on Ubuntu/Debian monitor with Zabbix. When we supervise a server and in particular the services, it happens that we want to restart a service which will be “fallen” automatically in order to guarantee a level of service. Restarting a service to fix …
In this tutorial, I will walk you through how to disable a cipher suite also call cipher. If you arrive on this tutorial by a search engine, there is a good chance that it is due to a vulnerability test and that you have an alert that goes up because vulnerable cryptographic suites (cipher) are …
In this tutorial, I will explain how to manually import a site updatehttps://www.catalog.update.microsoft.com/ in WSUS with PowerShell. By default, this operation is possible automatically by passing the console and provided that you use Internet Explorer 11. In 2022, who still uses this browser? Download the update and retrieve its GUID Go to the site https://www.catalog.update.microsoft.com/ …
Since Windows 2012, it is possible to force the update of group policies from the Group Policy Management console. It is no longer necessary to go through all the computers and do a gpudapte. To work, the firewall must allow RPC calls to pass. Force update of GPOs remotely 1. Open the Group Policy Management …
In this tutorial, I will walk you through how to add swap space on Ubuntu 20.04 and above. A swap space on Linux is a location on the disk, which allows the OS to load the random access memory (RAM), on Windows we find this type of file pagefile.sys By default, on server versions of …
In this tutorial, I will explain how to set up Zabbix with Docker to monitor your server and network infrastructure. For those who follow me regularly, I have long been a fan of PRTG for its “simplicity” but which has certain limits compared to Zabbix. I will come back to it in an article explaining …