Add-WindowsCapability: resolve error 0x800f0954
In this tutorial, I will explain how to solve error 0x800f0954 with the PowerShell Add-WindowsCapability Cmdlet when trying to install a Windows feature. This error …
Tutorials
All IT tutorials: systems, networking, virtualization, security.
659 articles
Ubuntu: configure systemd log size
In this tutorial, we will see how to configure the size of systemd logs on an Ubuntu distribution. By default, the logs located in the /var/log/journal folder can take …
Zabbix - monitor an Nginx web server
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 …
Install nano on Windows
In this tutorial, I will explain how to easily install nano on Windows (Desktop and Server). If you regularly use Linux, you are certainly familiar with it, for those who …
Exchange 2016/2019: change a mailbox database in PowerShell
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, …
Update Ansible on Ubuntu
In a previous tutorial, I explained how to install and use Ansible to execute automatic actions on your Windows and Linux servers. Like all applications, Ansible is …
Install Docker on Ubuntu and Debian
In this tutorial, I will walk you through how to install Docker and Docker Compose on Ubuntu and Debian. Installation of Docker and docker-compose from the official …
Nginx: get the visitor's real IP with CloudFlare
In this tutorial, I will explain how to get the real IP address of visitors using CloudFlare services and an Nginx web server. What I will explain to you in this tutorial …
GPO: schedule the automatic shutdown of computers
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 …
Zabbix - Restart a service on Ubuntu - Linux
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, …
Ubuntu: Install a Remote Desktop Server with XRDP
In this tutorial, I will explain how to install xRDP in order to have a remote desktop server (or rather a service) on Ubuntu. The purpose of this installation is not to …
Windows DNS Server: Error 404, 407, 408 with virtual machine on Hyper-V
In this tutorial, which is a special case, I will explain how to solve the 404, 407 and 408 error that can occur on a DNS server with Windows Server under the following …