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There are some popular methods of generating SSL and TLS certificates in Linux. One of the most popular methods of issuing SSL certificates is Let’s encrypt which is a certificate authority that offers free SSL certificates. There is an even easier way to issue the certificate which does not require any dependencies and requirements. The acme.sh script written in Shell makes it easy to generate and install SSL certificates in Linux systems. In this article, we will learn how to install the acme.sh script in the Linux system and how to use it to generate and install SSL certificates.

Sometimes you may want to encrypt your hard disk so that when someone connects your hard drive to their computer they need to provide user credentials to mount the drive. In Linux, it is possible to encrypt individual block devices. In this article, we will learn how to encrypt block devices in Linux using LUKS. LUKS is the Linux encryption layer that can be used to encrypt the entire root partition, a logical volume, or a specific partition. Learn more

It’s now easier than ever to migrate from CentOS 7 to AlmaLinux 8 thanks to the AlmaLinux project called ELevate. Here’s how to do it. Learn more

Plymouth is an application that provides the ability to show a graphical boot animation during the system boot process. For example, if you are familiar with Ubuntu or Linux Mint Plymouth – this is something you see in general during boot process: Learn more

Wake-on-lan (also known with the “W.O.L” acronym) is a standard ethernet feature which allows a machine to be woken up on the reception of a specific type of network packet (the so called MagicPacket). The main advantage of this feature is that it allows us to keep a machine in a low power consumption state, and be accessed only when needed. In this tutorial we see how to enable the WOL feature on our ethernet card under Linux, and how to send the network packet needed to wake up a machine.Learn more

In this tutorial we are going to explain step-by-step instructions on How to install Discourse on Ubuntu 20.04 Also, we will provide you with some useful information about its usage.

Linux can be used for gaming too! In this article, you’ll find out about the best video games you can play on your Linux distro, along with all other info you need to know. You can play these games on any distro, however, there are some specialized distros for gaming, like SteamOS, Ubuntu GamePack, Fedora Games Spin, and more. We’ll feature the best gaming Linux distros in a future article. In this article, we’ll only feature games that can directly be played on Linux, without the need for an emulator or additional software like Wine or PlayOnLinux.

Whenever we operate as an Ubuntu admin, we are responsible for managing the system’s network settings. When you make modifications to the Network card on some kind of Linux system, the connection goes down. The network interfaces seem to be either practically or virtually existent, and you may simply activate them using one of the ways. In this tutorial, we’ll go through how to activate, and deactivate network interfaces within Ubuntu using several techniques. All instructions were run on Ubuntu 20.04 LTS, the most recent Ubuntu release.

When dealing with Linux, you need to use a shell – an interface that gives you access to the operating system. The commands are required as inputs to inform or direct a computer program to perform a specific operation. While most Linux distributions are user-friendly and come with an easy to use graphical interface, knowing how to use the command line can be very useful. Read more

Sysdig is an open-source and comprehensive activity monitoring tool for Linux. It is used to capture and analyze application logs and helps you to troubleshoot system-related issues. It displays a complete overview of CPU usage, Memory usage, Users, IO in a command-line interface. It is available for Linux, OS X, and Windows operating systems. Read more