VirtualBox is open-source cross-platform virtualization software that allows you to run multiple guest operating systems (virtual machines) simultaneously. Generally, Virtualbox is used by desktop users as a testing and development environment. In this tutorial, we will show you two ways to install VirtualBox on Ubuntu 20.04:
How to Install VirtualBox on Ubuntu 20.04
Myriad X based AI accelerator module has a built-in 12MP, 4K camera
Luxonis is crowdfunding an open source, $169 “megaAI” AI acceleration and camera module with an up to 4-TOPS Intel Myriad X VPU, a USB 3.0 port, and a 12-megapixel, 4K camera. When Luxonis launched its Intel Movidius Myriad X DepthAI AI acceleration module last November, an external 4K camera was optional. Now, Luxonis has gone […]
How to Install Docker Compose on Ubuntu 20.04
With Compose, you can define a portable application environment that you can run on any system. Compose environments are isolated from each other, allowing you to run multiple copies of the same environment on a single host. Compose is typically used for local development, single host application deployments, and automated testing. This article explains how to install the latest version of Docker Compose on Ubuntu 20.04. We'll also explore the basic Docker Compose concepts and commands.
FOSS sprite editor Pixelorama has a big new release
Pixelorama is an increasingly advanced free and open source sprite editor, and just recently it had a massive new release with plenty of new goodies.
Compact 8K video encoder runs Linux on Kaby Lake
Advantech has launched a “VEGA-8300E 8K Broadcast Video Encoder” and streaming appliance for 8Kp60, 10-bit 4:2:2 HEVC real-time encoding. The system runs Ubuntu on a 7th Gen Kaby Lake CPU and offers 2x hot-swappable SATA bays. We realize that most of you are not in the market for an 8K video encoder, but we occasionally […]
20 productivity tools for the Linux terminal
Many of us, admittedly, only use computers because they're fun. But some people use computers to get stuff done, and their theory is computers are supposed to make things faster, better, and more organized. In practice, though, computers don't necessarily improve our lives without a little manual reconfiguration to match our individual work styles.
Canonical Fixes Linux Kernel Regression in Ubuntu 20.04 LTS, 19.10 and 18.04 LTS
Canonical has released a fix to address a Linux kernel regression introduced in the Linux 5.4 and 5.3 packages of its Ubuntu 20.04 LTS, Ubuntu 19.10 and Ubuntu 18.04 LTS systems.
A new way to build cross-platform UIs for Linux ARM devices
Creating a great user experience (UX) for your applications is a tough job, especially if you are developing embedded applications. Today, there are two types of graphical user interface (GUI) tools generally available for developing embedded software: either they involve complex technologies, or they are extremely expensive.
Install Nginx, MySQL, PHP (LEMP Stack) On Ubuntu 20.04 LTS
In the previous tutorial, we discussed how to install LAMP stack in Ubuntu 20.04 LTS server. LEMP is the acronym of Linux, Engine-x, MariaDB/MySQL, PHP/Perl/Python. This step by step tutorial describes how to install Nginx, MySQL, PHP (LEMP stack) on Ubuntu 20.04 LTS server edition with screenshots.
This'll make you feel old: Uni compsci favourite Pascal hits the big five-oh this year
Spawn of ALGOL turns middle-aged. Pascal, a descendant of ALGOL 60 and darling of computer science courses for decades, turns 50 this year.…
Add interactivity to your Python plots with Bokeh
In this series of articles, I'm looking at the characteristics of different Python plotting libraries by making the same multi-bar plot in each one. This time I'm focusing on Bokeh (pronounced "BOE-kay").
Install Apache, MySQL, PHP (LAMP) Stack On Ubuntu 20.04 LTS
LAMP stack is a popular, open source web development platform that can be used to run and deploy dynamic websites and web-based applications. This step by step tutorial describes how to install Apache, MySQL, PHP (LAMP stack) on Ubuntu 20.04 LTS server edition with screenshots.
How to Install Open Source Computer Vision Library (OpenCV) on CentOS 8
OpenCV stands for "Open Source Computer Vision Library" is an open-source cross-platform computer vision algorithm library that can be used in all kinds of visual processing areas, such as facial recognition, gesture recognition and motion tracking.
How to Install NFS Client and Server on Ubuntu 20.04
Network File System or short NFS is a distributed file system protocol that allows you to mount remote directories on your server. In this tutorial, we will learn how to set up an NFS Server and how to mount NFS Shares on a client using Ubuntu 20.04.
Precision data plotting in Python with Matplotlib
Python offers a rich set of options for visualizing data. I'll show you the basics of plotting in Matplotlib by creating a bar chart with grouped bars. It shows election results for the UK between 1966 and 2020:
FYI: There are thousands of Chrome extensions with so, so many fake installations to trick you into using them
Unethical developers fake user counts to gain trust. Efforts to manipulate installation counts in Chrome Web Store extension listings appear to be alive and well, despite a developer's personal crusade to call attention to the problem.…
How to Install Docker Compose on Ubuntu 18.04
Docker Compose is used to run multi-container Docker applications. This means that each container will run a standalone application which can also communicate with the other containers present in the same host. Docker Compose uses YAML files to configure all of your Docker containers and configurations. This makes Docker excellent for deploying and testing quickly and easily. In this tutorial, we will cover the steps needed for installing Docker Compose on an Ubuntu 18.04 VPS.
Ardour goes harder: v6.0 brings 'huge engineering changes' to open-source digital audio workstation
Dev sticks with elderly GTK+2 GUI toolkit because 'we would gain nothing' by upgrading. The sound-tinkerers among you will be pleased to learn that Ardour 6.0 is out, representing a major upgrade of the open-source digital audio workstation for Linux, macOS and Windows.…
Ardour 6.0 Open-Source Digital Audio Workstation Brings Huge Engineering Changes
Ardour 6.0 open-source, free and cross-platform digital audio workstation (DAW) is here and it’s a major update bringing huge engineering changes.
5 Kernel Live Patching Tools That Will Help To Run Linux Servers Without Reboots
In this article you will learn what is Kernel live patching and 5 kernel live patching tools that will help to run Linux servers without reboots.
In Rust, we lust: Security-focused super-C++ language still most loved among Stack Overflow denizens
Trendy systems programming lingo tops poll fifth year on the trot. Rust for the fifth year in a row has held its position as the most-loved programming language in Stack Overflow's annual developer survey, even if it's not the primary language for most programmers and not many jobs require it.…
Strapi introduces new open-source headless content management system
You may not have heard of Strapi, but you will. Its headless content management system has always proven popular with thousands of companies.
New features for running containers on NFS with rootless Podman
New options in Podman make it easier to use rootless Podman on an NFS home directory.
Raspberry Pi 4 gains 8GB RAM version and 64-bit Raspberry Pi OS
Raspberry Pi Ltd. has launched a version of the Raspberry Pi 4 with 8GB DDR4 for $75. It also released a beta of Raspbian — now called Raspberry Pi OS — with a 64-bit architecture that can fully exploit the 8GB RAM. A new Raspberry Pi 4 Model B with 8GB of RAM has touched […]
Mozilla's journey to environmental sustainability
The programme may be new, but the process has been shaping for years: In March 2020, Mozilla officially launched a dedicated Environmental Sustainability Programme, and I am proud and excited to be stewarding our efforts.
Simplify data visualization in Python with Plotly
Total War: WARHAMMER II – The Warden & The Paunch DLC Is Out Now for Linux
Feral Interactive launched today The Warden & The Paunch DLC (Downloadable Content) for the acclaimed Total War: WARHAMMER II video game for Linux and macOS platforms.
Linux-loving Windows 10 May 2020 Update squeaks in with days to spare before June
Scampering through spring fields, or a cautious dribble seeping under the bathroom door?
First new Docker release under Mirantis appears
Docker, the company, couldn't make a go of it, but Docker Enterprise, under its new owner Mirantis, is moving forward.
4 Linux distributions for gaming
Gaming on Linux got a thorough kickstart in 2013 when Valve announced that their own SteamOS would be written on top of Linux. Since then, Linux users could realistically expect to play high-grade games that, in the past, required the purchase of a Windows computer or gaming console. The experience got off to a modest start, with just a few brave companies like CD Projekt Red, Deep Silver, Valve itself, and others putting the Linux penguin icon in their compatibility list, but eventually, even Gearbox and Square Enix were releasing their biggest titles on Linux.
How to Execute PHP, Python and Perl Scripts Using Cron Job
This tutorial allows you to run PHP, Python and Perl scripts using the cron job.
How to Install PyroCMS with Nginx an Let's Encrypt SSL on CentOS 8
PyroCMS is a powerful modular CMS and development platform built with Laravel 5, which allows you to build better Laravel websites and applications faster.
Raspbian Renamed as Raspberry Pi OS, New 64-Bit Beta Available Now
With the launch of the 8GB Raspberry Pi 4 computer, the Raspberry Pi Foundation also unveiled today the renaming of their Debian-based Raspbian Linux operating system as Raspberry Pi OS.
Simplify data visualization in Python with Plotly
PoE-ready Ryzen V1000 SBC is all about camera control
Axiomtek’s “MIRU130” SBC targets embedded vision applications with a Ryzen V1000 SoC, 4x USB 3.1 Gen2, HDMI and DP ports, cam triggers and lighting controls, 2x M.2, PCIe x16, and 4x GbE ports, 2x of which offer PoE. Axiomtek recently launched a CAPA13R, joineing Seco’s similarly 3.5-inch SBC-C90 as the only SBCs we have seen […]
You Can Now Buy a Raspberry Pi 4 Computer with 8GB RAM
The Raspberry Pi Foundation announced today the availability of the latest Raspberry Pi 4 single-board computer with no less than 8GB RAM, which is on sale now for only $75 USD.
Understanding the Color Code of Linux Files
You may know that everything is a file on Linux, including a hard disk, graphics card, USB, etc. Linux uses color code to distinguish file types. This tutorial helps you learn about color coding of Linux files.
Manage startup using systemd
While setting up a Linux system recently, I wanted to know how to ensure that dependencies for services and other units were up and running before those dependent services and units start. Specifically, I needed more knowledge of how systemd manages the startup sequence, especially in determining the order services are started in what is essentially a parallel system.
CoreOS Container Linux Reached End of Life, Here Are Some Alternatives
On May 26th, 2020, the Container Linux distribution by CoreOS has officially reached end of life, which means that it will no longer be supported or maintained.
Machine vision computer supports 5GBase-T cameras
Imago’s Linux-ready “VisionBox AGE-X5” computer has an Intel 6th Gen CPU plus 2x 5GbE ports for driving new 5GBase-T cameras. Also onboard: 2x GigE, 4x USB 3.0, DIO, LED controllers, and camera triggers. In recent years we have seen a growing number of embedded boards and systems with 2.5GbE and 10GbE ports, but no 5GbE […]
Using regmaps to make Linux drivers more generic
Device drivers can support more revisions and SoC platforms by abstracting away specific hardware interface layouts. Let's examine a specific instance of this process, namely the effort to make the MIPI DSI host controller driver more generic.
Sysadmin careers: The 5 steps of problem solving
One of the best things that my mentors helped me with was the formulation of a defined reasoning process that I could always use for solving problems of nearly any type. That process, the algorithm, is very closely related to the scientific method and is what we will cover in this article. This is your five-step guide to problem-solving like a boss.
Apache Pulsar joins Kafka in Splunk Data Stream Processor
Splunk is integrating open source Apache Kafka capabilities alongside Apache Pulsar support to better enable its latest Data Stream Processor release.
Linux-powered wireless gateway supplies four surge-protected serial ports
Artila’s compact “IoT Gateway Matrix-704” runs Linux on a Microchip SAMA5D35 and provides GbE and Fast Ethernet, mini-PCIe and micro-SIM slots, a USB port, and 4x isolated, surge protected RS-485 ports. Artila has introduced several of its Matrix IoT gateways with isolated serial ports, including the Matrix-710 and Matrix-713. Its new Matrix-704 can have its […]
Turn Your Raspberry Pi into an Ad-Blocker
Learn how to turn your Raspberry Pi into an ad-blocker. You can then block ads across your devices that are connected to your network.
How to Install Java Runtime in Ubuntu
Java is not installed by default in Ubuntu, but it is required to run Java applications. Here we will show you how to install Java runtime in Ubuntu.
Raspberry Pi 4: Chronicling the Desktop Experience – Calculators – Week 31
There’s sophisticated software available for the Raspberry Pi 4 which offers the ability to process complex mathematical functions, plot 2D and 3D graphs, and much more. In this article I’m surveying some of the notable calculator software available for the tiny machine.
Data visualization made simple in Python with Seaborn
Plotting in Seaborn is much simpler than in Matplotlib. While Matplotlib makes the hard things possible, Seaborn makes complicated things uncomplicated by giving you a range of plot types that "just work."
Magento E-Commerce Platform installation with Apache2 and Let's Encrypt on Ubuntu 20.04
Magento is a free and open-source e-commerce web application that allows you to create a fully functional eCommerce store in minutes. In this tutorial, we will show you how to install Magento E-commerce platform with Apache and Let's Encrypt SSL on Ubuntu 20.04.