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Apache Hadoop is an open-source framework used to manage, store and process data for various big data applications running under clustered systems. In this tutorial, we will explain how to set up a single-node Hadoop cluster on Ubuntu 20.04.

If you have a need for speed, you need to consider the switch to SSDs.

Sometimes you need to manually assign CPU cores to programs in order to gain the best performance. Learn how you can use taskset to do that in Linux.

IEI’s rugged, Linux-ready “TANK-880-Q370” runs on 8th/9th Gen Coffee Lake CPUs and offers HDMI and DP, 3x GbE, 6x USB, 3x serial, 4x SATA, 4x PCIe, 3x M.2, and a mini-PCIe slot. IEI Technology has unleashed another one of its appropriately named TANK computers, following earlier models including the Intel 4th Gen “Haswell” based TANK-860-QGW. […]

The Homebrew project began its life as an unofficial Linux-style package manager for the Mac. Its users quickly fell in love with its friendly interface and helpful prompts, and—in what may seem like a strange twist of fate—it got ported to Linux. read more

Canonical and Dell announced today that the powerful Dell XPS 13 Developer Edition Linux laptop is now available certified and pre-loaded with Ubuntu 20.04 LTS.

In this article, we will explain how to sync your Ubuntu system time with internet time servers both through the command line and the GUI.

Who’s going to defend our 4 freedoms then? The people who bribed the watchdogs? The people who decapitated our organisations?

If you've ever written code, whether it's a shell script, a Python script, C++, or even Scratch, then you know that variables are vital. Computers and coders use variables as waystations, where they surreptitiously pass information back and forth. For instance, if you need to process a user's name in a shell script, you might set up a variable, put the username into the variable, and then instruct the computer to do something to the variable (check it against a list of authorized users, for example). read more

This article explains the installation of the Opera browser on Debian Linux. We will describe both the command line and the GUI ways of installing the Opera browser in your system.

If you run a server with a public-facing SST access, you might have experienced malicious login attempts. This article shows how to use two utilities to keep the intruder out of our systems. To protect against repeated ssh login attempts, we’ll look at fail2ban. And if you don’t travel much, and perhaps stay in one […]

If you’re looking for software that acts as a central hub for internet content, you should try Fraidycat. It isn’t a feed reader. And while it does gather news headlines from websites, it has much wider coverage letting you follow interesting people via YouTube, Twitch, Twitter, Instagram, SoundCloud streams, and more.

The hostname is set during the installation of the operating system or dynamically assigned to the virtual machine when it is created. This guide explains how to set or change the hostname on Ubuntu 20.04 without needing to restart the system.

Streamhut is a web service that allows you to instantly share your Terminal to web in real time with anyone, without installing anything in Linux.

Curiosity may have killed the cat, but it helps the sysadmin grow and thrive.

Wally’s “DR8074A” and Compex’s “HK01” are similar implementations of a Linux-driven Qualcomm reference design for its quad-core -A53, 802.11-ax enabled IPQ8074 router SoC. The SBCs feature 5x GbE and single 10GbE and SFP+ ports. Wally’s has posted specs for a DR8074A (HK01) router board based on a Qualcomm reference design for its IPQ8074 SoC. Earlier […]

Firefox was my window into Mozilla 15 years ago, and it’s through this window I saw the power of an open and collaborative community driving lasting change. My admiration and …

JSON is a human-readable text-based data format. It is language independent and used for data interchange between applications. In this article, we’ll explain how to parse JSON data in Python.

Five years since the last update, the team celebrates 50 years of the language with more architectures. Great news, Pascal fans. After a lengthy hiatus, the cross-platform Free Pascal has emerged with an array of new features and new targets.…

Nexcom’s “AIEdge-X 300” runs Linux or Win 10 on an 8th/9th Gen Coffee Lake CPU and offers 2x SATA, 3x HDMI 2.0, 2x M.2, and a PCIe x16 slot with an optional Nvidia RTX 2060 card. Nexcom has announced an AI edge computer that offers a doublewide PCIe x16 slot for up to 160W graphics […]