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Environment variables contain information about your login session, stored for the system shell to use when executing commands. They exist whether you’re using Linux, Mac, or Windows. Many of these variables are set by default during installation or user creation. While environment variables apply to all modern systems, this article specifically addresses environment variables in the Bash shell on Linux, BSD, Mac, and Cygwin. read more

GNS3 is an amazing tool that allows IT professionals to, quite simply, create a virtual lab. The software can virtualize or emulate a variety of systems called appliances. These appliances range from Cisco routers and switches to nodes such as Windows Server, CentOS, and Fedora. GNS3 also has the capability to utilize containers. If you’re […]

For years, Microsoft has profited from its FAT file system patents. Now the company is making it explicit that it's freeing its remaining exFAT patents for Open Invention Network members.

Every object on your Linux system has a permission mode that describes what actions a user can perform on it. There are three types of permissions: read (r), write (w), and execute (x). read more

A year by year summary of the most significant events in Linux's history to date.

On Kickstarter: a “Pi-oT” Raspberry Pi add-on complete with fan and DIN-rail mountable chassis that expresses the Pi’s GPIO with 26-pin terminal connectors that offer 5x relays, 8x ADCs, and power inputs. A Cleveland-based startup called Pi-oT Hardware has gone to Kickstarter to launch a $40 and up Pi-oT automation add-on for the Raspberry Pi. […]

SinoVoip has launched the long-awaited Banana Pi BPI-R64, a quad-GbE router board that runs Linux on a dual-core -A53 MediaTek MT7622 and offers 802.11ac, BT 5.0, SATA, 40-pin GPIO, 2x mini-PCIe, and optional 4G and PoE. SinoVoip’s Banana Pi project announced the Banana Pi BPI-R64 in early August of 2018. After a long gestation, the […]

Recent headlines proclaim the imminent demise of support for the venerable floppy disk drive in the Linux kernel. My stomach churned and my heart gave a flutter or two. I have been in this business quite a few years and my collection of floppy disks goes back to 8-inchers. “Not again!” I thought.

Python is one of the most popular programming languages on the planet. It's embraced by developers and makers everywhere. Most Linux and MacOS computers come with a version of Python pre-installed, and now even a few Windows computer vendors are installing Python too. Maybe you're late to the party, and you want to learn but don't know where to turn. These 12 resources will get you started and well on your way to proficiency with Python.

Ibase’s fanless “SI-323-N” signage player runs Ubuntu or Windows on an AMD Ryzen Embedded R1000 with up to 32GB DDR4, 2x GbE, 2x M.2, mini-PCIe, and 3x 4K-ready HDMI 2.0 ports with audio and EDID. In April, when AMD unveiled a lower-powered version of the Ryzen Embedded V1000 SoC called the Ryzen Embedded R1000, the […]

As part of my role as a senior product marketing manager at an enterprise software company with an open source development model, I publish a regular update about open source community, market, and industry trends for product marketers, managers, and other influencers. Here are five of my and their favorite articles from that update. read more

Every file and directory on a Linux system is owned by someone, and the owner has complete control to change or delete the files they own. In addition to having an owning user, a file has an owning group. You can view the ownership of a file using the ls -l command: read more

In this DevOps world, it sometimes appears the Dev half gets all the limelight, with Ops the forgotten half in the relationship. It's almost as if the leading Dev tells the trailing Ops what to do, with almost everything "Ops" being whatever Dev says it should be. Ops, therefore, gets left behind, punted to the back, relegated to the bench. I'd like to see more OpsDev happening. So let's look at a handful of things Ansible can help you do with your day-to-day Ops life.  read more

Hardkernel has released a media player bundle of its Odroid-N2 SBC loaded with CoreELEC, an Amlogic-optimized fork of LibreELEC. The CoreELEC Edition costs $65 (2GB RAM) or $75 (4GB) with case, PSU, and 8GB microSD card. Hardkernel has launched an Odroid-N2 CoreELEC Edition that combines the open-spec, community backed Odroid-N2 SBC with CoreELEC — a […]

VestaCP is a free, open-source and powerful website control panel that comes with website, email, database, and DNS functionalities. In this tutorial, we will explain how to install and configure VestaCP on Ubuntu 18.04 server.

In computer science (and casual computing), a variable is a location in memory that holds arbitrary information for later use. In other words, it’s a temporary storage container for you to put data into and get data out of. In the Bash shell, that data can be a word (a string, in computer lingo) or a number (an integer). read more

In a previous post, we looked at what RPM packages are. They are archives that contain files and metadata. This metadata tells RPM where to create or remove files from when an RPM is installed or uninstalled. The metadata also contains information on “dependencies”, which you will remember from the previous post, can either be […]

I like trucking, I like trucking and I like to truck Who, Me? Welcome to Who, Me?, The Register's weekly tale of reader misdeeds, accidental or otherwise.…

Learn how to promote an open source project to attract contributors, find users, and raise the profile and credibility of your project. Do this while simultaneously growing your own open source credibility within the project community, attracting talented developers, and promoting your open source projects and services.

Microsoft is continuing its broad ongoing push to contribute with open source projects, joining the newly created Confidential Computing Consortium, an initiative launched by The Linux Foundation which aims to provide better security for data which is actually in use by apps on a computer, or in the cloud (as opposed to at rest, or not...