Category: 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 […]

22. February 2022

RHEL 8 / CentOS 8 enable SSH service

The following article will explain how to install and start SSH service on RHEL 8 / CentOS 8 system. SSH is a client-server service providing secure encrypted connections over the network connection. Step 1: install the openssh package: Step 2: Start the OpenSSH service by executing the following command: Step 3: Check the status of the sshd service: Step 4: Enable the SSH service to start […]

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 […]

15. February 2022

How to configure a static IP address on RHEL 8 / CentOS 8 Linux

There are many cases in which we may want to set a static IP for a network interface. In Red Hat Enterprise Linux 8, network interfaces are managed by the NetworkManager daemon, so to change a network interface settings we must somehow interact with it. In this tutorial we will see how can we set a static IP address, gateway and dns server for a NIC. […]

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 […]

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, […]

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 […]

4. November 2021

How to install VMware Tools in a Debian VM

In this small tutorial I want to show you how to install the VMware tools in a Debian VM. VMware Tools is a set of services and components that enable various features in different VMware products for better management and seamless user interaction with guest operating systems. Open VM Tools (open-vm-tools) is the open source implementation of VMware Tools for Linux guest operating systems. For […]

23. September 2021

How to Change Root Password in Ubuntu

The root user (or superuser) is a special user account that is present on all Linux and Unix-like systems. It has full access to every command and any resource on the system without any restrictions. If you are coming to Ubuntu from another Linux distribution, you may wonder what the default root password is or how to change the root password. By default, in Ubuntu, […]

22. September 2021

How to Install Xrdp Server (Remote Desktop) on CentOS 8

Xrdp is an open-source implementation of the Microsoft Remote Desktop Protocol (RDP) that allows you to graphically control a remote system. With RDP, you can log in to the remote machine and create a real desktop session the same as if you had logged in to a local machine. This tutorial explains how to install and configure Xrdp server on CentOS 8. Installing Desktop Environment […]