Category: Advanced Tutorials

Advanced Tutorials Blog Rocky Linux VMware vSphere
31. December 2022

NFS-Server with CentOS 8 / Red Hat 8 for VMware vCenter Backups

In various community meetings, we often talk about backups for VMware vCenter. As you know, image based backups are only conditionally “supported”. It can go well, but in most cases the VMware vCenter will not be fully restored and you will be forced to re-deploy the appliance. Community and customers are ambivalent, one backs up his VMware vCenter via Veeam etc., the other via the […]

Advanced Tutorials Blog
21. October 2022

How to Install Zabbix Agent and add Windows Host to Zabbix Monitoring

Following previous tutorials concerning the Zabbix series, this article describes how to install and set up an instance of a Zabbix agent to run as a service on Microsoft Windows systems in order to monitor your infrastructure windows environments, especially server machines. Requirements You must already have a running Zabbix monitoring appliance, if not, you can find more instructions here: or for Linux Users: Step […]

Advanced Tutorials Blog Debian Linux
18. October 2022

How to Install and Configure Zabbix Agents on Remote Linux

Continuing the Zabbix series, this tutorial will guide you on how you can install and configure Zabbix agents on Linux (Debian-based systems and RHEL-based distros) in order to actively monitor local resources on remote systems. The main job of Zabbix agents consists in gathering local information from the targets where they run and sending the data to a central Zabbix server to be further processed and analyzed. If you do […]

Advanced Tutorials Blog Debian Linux
14. October 2022

How to Install Zabbix Monitoring Tool on Debian 11/10

Zabbix is a free, open-source, popular, and feature-rich IT infrastructure monitoring software developed using PHP language. It is used to monitor networks, servers, applications, services as well as cloud resources. It also supports the monitoring of storage devices, databases, virtual machines, telephony, IT security resources, and much more. This tutorial shows how to install and configure the latest release of Zabbix open-source monitoring tool on Debian 11 and Debian 10 with MySQL database to […]

Advanced Tutorials Blog Linux Ubuntu
11. April 2022

Creating Ubuntu OS Custom ISO

As part of a customer project I had to do a complete offline installation of an Ubuntu server with various packages: Linux: nano zip unzip tree make java (JRE & JDK) ant openssh net-tools htop Python 3.6.9 (prereqs for Python are gcc openssl-devel bzip2-devel libffi-devel) Python: paramiko pandas ntc-templates After a little research on the internet, I found out that downloading .deb files is not […]

Advanced Tutorials Blog Linux Rocky Linux
1. March 2022

Update to Python 3.9 on CentOS Stream 8

In today’s guide you’ll learn to install Python 3.9 on CentOS Stream 8 Linux system. Python is general-purpose, interpreted and high-level programming language originally created by Guido van Rossum. Python is created for simplicity, deep integration and great extensibility. You can achieve much more with Python using powerful libraries and tools, including Django, Pygame, Matplotlib, Plotly, e.t.c. In the next steps we look at the […]

Advanced Tutorials Blog Debian
18. February 2022

How to Update to PHP 8.1 for WordPress Site on Debian 10 / 11

In this article I am going to show you how I managed to update to PHP 8.1 for my WordPress Site. I am running this WordPress site on top of Debian 10. I had this notification on the WordPress dashboard telling that I should upgrade my PHP to the latest version. I was running PHP 7.3. As you notice on the picture above, PHP Update […]

Advanced Tutorials Blog Debian
12. February 2022

Install and Configure GitLab CE on Debian 10 / 11

This guide will walk you through the steps to Install GitLab CE on Debian 10/11. GitLab Community Edition (CE) is an open-source application for hosting Git repositories in your own infrastructure. With GitLab you can do project planning and source code management to CI/CD and monitoring. GitLab has evolved to become a complete DevOps platform, delivered as a single application. The next sections will cover the steps to be […]

Advanced Tutorials Blog Debian
10. February 2022

Configure Postfix MTA as Send-Only on Debian 10 / 11

In this guide we’ll look at how you can configure Postfix MTA as a send-only SMTP server on Debian 10/11, meaning it doesn’t receive and process emails. Its job is only to act as Local mail transfer agent. Postfix is a popular open source Mail Transfer Agent (MTA) used in Linux and Unix environments. A send only mail server is useful especially when used in scripting, […]

Advanced Tutorials Blog Rocky Linux
28. January 2022

How to install and configure Pritunl VPN server on CentOS Stream 8

Pritunl VPN is one of the most secure open source VPN tools that are currently available for multi-cloud VPN peering. Pritunl VPN server uses MongoDB and can be deployed on any cloud infrastructure. Pritunl VPN Server supports OpenVPN and Wireguard. The VPN operates in a server-client architecture in such a way that the clients connect to the remote VPN server and routing is handled by […]