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When I’m not at work on my Linux desktop, you can usually find me writing code for a legacy 16-bit system. FreeDOS is an open source DOS-compatible operating system that you can use to play classic DOS games, run legacy business software, or develop embedded systems. Any program that works on MS-DOS should also run on FreeDOS.

SAR also know as a "System Activity Report" is a system resource monitoring tool for Linux operating systems. In this tutorial, we will show you how to install and use SAR to monitor system performance.

Suppose you are sending a message to your friend and want the message to be encrypted. You tell him that you will send him some numbers and these numbers will be the index numbers of English alphabets. He will have to match the numbers against the index numbers and decrypt the hidden message. Suppose you want to write come home.

Podman exists to offer a daemonless container engine for managing OCI-compliant containers on your Linux system. Users love it for its ease of adoption as an alternative to Docker. However, many users and the broader container community have been telling us that one missing feature is a "deal-breaker" for them. Up to now, support for Docker Compose, the command-line utility that orchestrates multiple Docker containers for local development, was missing. With Podman 3.0 now in development upstream, we have begun to support Compose. Here's how it works as a rootful/privileged user.

When people learn that I work as an open source evangelist (focusing on syslog-ng and sudo), they often ask me what it's like to represent such well-known names in the Linux world. My short answer: It's good! I am part of research and development, so it is never boring. I feel that I make an impact when people implement what they learn from me and when the feedback I collect from users influences the development of the product.

The tKINO-UL6 is the second thin Mini-ITX board we have seen based on Intel’s 10nm fabricated 11th Gen Tiger Lake processors, following ASRock’s IMB-1224. It is also the second Tiger Lake SBC with a USB 4 port after Aaeon’s community-backed UP Xtreme i11. IEI’s more industrial focused board offers -20 to 60°C support and a 9-36V DC input.

With the release of Xfce 4.16, the MX Linux team now working on migrating the Xfce package base from Xfce 4.14 to Xfce 4.16. The Xfce 4.16 packages are now available for testing for MX-19 series users.

Asahi Linux is the name of a new project aiming to get Linux properly supported and working on Apple Silicon, the new ARM based chips designed by Apple like the Apple M1 found in their latest hardware.

WallpaperDownloader is open source software that allows users to download wallpapers from different remote locations automatically.

When working on the terminal, or command line, there is often a need to know how to create a file in Linux. Whether you need to create a script file, a config file or text file, it is a common activity for a Linux admin.

Make your Linux processes play nice with each other. Managing processes in Linux is a fundamental concept that every good system administrator should be familiar with. A majority of the work you do with these processes consists of basic, repetitive tasks such as starting and stopping processes, searching for them, killing them, etc.

Sometimes you need the short version. You know what you want to do and you just can't recall exactly how to do it. That's when cheat sheets come in handy. In this article, I suggest a cheat sheet to get you going with MariaDB and MySQL. This cheat sheet is great for the occasional database user. Next, I have listed two Raspberry Pi cheat sheets. The first gets you started with this single-board computer. Once you're comfortable with the basics, turn it into a home lab and begin working with Kubernetes container management.

There is no need to introduce every person on this planet who knows how to operate a PC. Whether it is Linux or Windows System, they know what VLC is. But still, for those who don’t know what VLC is? VLC is one of the most popular open-source multimedia player. It is cross-platform and plays almost all media format files. There are multiple ways to install VLC in your system using a snaps package from Snapscraft store or as a default package manager for Ubuntu; it is DEB.

If you're a programmer and you want to put a certain functionality in your software, you start by thinking of ways to implement it—such as writing a method, defining a class, or creating new data types. Then you write the implementation in a language that the compiler or interpreter can understand. But what if the compiler or interpreter does not understand the instructions as you had them in mind, even though you're sure you did everything right? What if the software works fine most of the time but causes bugs in certain circumstances?

HTTP Caching is the solution that we need. The modern-day web is less about who makes the best service, and more about who delivers it efficiently. With the content available on the internet expanding on an exponential basis, the amount of resources required to serve a user with a particular request is just too high. It is extremely infeasible to keep hitting the database for resources that have just recently been fetched. This is where HTTP or HTTPS comes in with a solution called caching.

In this article, we will see how to block the PING requests using sysctl settings and iptables on Debian, Ubuntu and Linux Mint. The tutorial will walk users through unblocking PING requests as well.

If you had at least one chance to attend business and technologies conferences recently, you probably saw lots of DevOps strategies, Agilist, and DevSecOps engineers around the digital transformation track. No matter what business you work in, it’s no secret that DevOps is a big trigger to craft new companies. It is also used to optimize existing resources, from the IT infrastructure to workflow processes and cultural changes.

The KDE team announces the KDE Plasma 5.20.5 bugfix release with months of work, fixes, and translations. The packages are now pushed to the official Neon repository. Here are the changes.

Red Hat didn't make any friends when it decided to stop supporting the popular free replacement for RHEL, but new alternatives are already in the works.

Apache Cassandra is an open-source NoSQL database system designed to handle a large amount of data. It supports clusters spanning multiple data centers and high availability with no single point of failure. It offers a lot of features including, Highly Scalable, Distributed, Replication Support, Fault-tolerant, MapReduce support, Query language, and many more. If you are looking for scalability and high availability without compromising performance then Apache Cassandra is the best choice for you. In this tutorial, we will show you how to install Apache Cassandra on CentOS 8.