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Tux Machines


today's howtos


Posted by Roy Schestowitz on Feb 04, 2023


Open Hardware: Arduino, Purism, Raspberry Pi, and More

Android Leftovers



How to Install PHPUnit 10 on Fedora Linux


↺ How to Install PHPUnit 10 on Fedora Linux


> PHPUnit is a widely used and well-established testing framework for PHP developers. It was created in 2002 by Sebastian Bergmann and has since become an integral part of the PHP development community.



[Repeat] How to Install Linux Kernel 6.1 on Ubuntu 22.04 or 20.04


↺ How to Install Linux Kernel 6.1 on Ubuntu 22.04 or 20.04


> This guide will walk you through installing Linux Kernel 6.1 on your Ubuntu 22.04 or 20.04 desktop or server using the TuxInvader Launchpad PPA. The PPA contains the latest generic kernels, and the guide will show you how to use the command line terminal to import the PPA and install the latest Linux Kernel.



IPv4 addresses and subnet masks


↺ IPv4 addresses and subnet masks


> Introduction Have you ever wondered how your computer connects to the internet and what makes it possible for you to access websites and services? Well, this is all made possible with the use of IP addresses.



How To Display Warning Message to Unauthorized SSH Access


↺ How To Display Warning Message to Unauthorized SSH Access


> Secure Shell (SSH) is a protocol used to remotely log into a Linux system and execute commands on it. It provides a secure encrypted connection between two untrusted hosts over an insecure network. System administrators often use SSH to remotely manage servers.



How to Set a Custom SSH Login Banner and MOTD


↺ How to Set a Custom SSH Login Banner and MOTD


> Secure Shell (SSH) is a protocol used to remotely log into a Linux system and execute commands on it. SSH provides a secure encrypted connection between two untrusted hosts over an insecure network.



Understanding Reverse DNS: What it is and Why it Matters?


↺ Understanding Reverse DNS: What it is and Why it Matters?


> Reverse DNS, also known as rDNS, is a system that maps an IP address to a hostname. Unlike traditional DNS (Domain Name System), which maps a hostname to an IP address, rDNS performs the reverse process, providing an extra layer of information about the owner and location of a particular IP address.



Nala: A Beautiful and Structured Frontend for the APT Command


↺ Nala: A Beautiful and Structured Frontend for the APT Command


> Do you still ignore the required dependencies when you install or remove an application on Linux? If so, you might be doing yourself a disservice. First, you look at the packages and applications that will be installed or removed from your system. B



How to Install Okular on Fedora Linux


↺ How to Install Okular on Fedora Linux


> Okular is a popular open-source document viewer and annotator for Linux, Unix, and Windows platforms. It was first released in 2005 and became a widely-used software for viewing and annotating PDF, Postscript, and other document formats.



How To Install Git on CentOS 9 Stream / Fedora 37


↺ How To Install Git on CentOS 9 Stream / Fedora 37


> Hello, friends. In this short post, you will learn how to install Git on CentOS 9 Stream / Fedora 37. Introduction Git is an open source, cross-platform distributed version control system (DVCS) that was initially developed by Linus Torvalds in 2005.




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