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The semi-autonomous Ingenuity drone copter that will launch soon from NASA’s Perseverance rover runs open source Linux on a Snapdragon 801 along with components from Sparkfun. Like other NASA rovers, the Perseverance rover that successfully landed last week on Mars’ Jezero Crater runs on Wind River’s VxWorks RTOS. Yet tucked underneath the SUV-sized rover is […]

In 2021, there are more reasons why people love Linux than ever before. In this series, I'll share 21 different reasons to use Linux. This article discusses the benefit of choice Linux brings.  read more

Suppose you have written a bash shell script and you want to protect the content of the shell script while sharing it with others. For example, for whatever reason you don't want the shell script to be viewed for inspection and modified for re-distribution by others. Better yet, you want to set the expiration date on the script, so that the script may not be used beyond the set expiration date. This tutorial describes how you can encrypt your shell script on Linux.

Sequent’s $40 “16-Inputs for Raspberry Pi” HAT provides 16 opto-isolated, 3-240V AC/DC digital inputs and an RS-485 port and can be stacked 8x high for up to 128 inputs. Sequent Microsystems has included optically isolated digital inputs on its earlier Raspberry Pi Mega-IO Expansion Card (8x opto-inputs) and MegaIO-IND (4x) Raspberry Pi HATs. Now, it […]

Aaeon’s Boxer-8521AI fanless embedded computers are based on NXP’s i.MX 8M SoC with a Google Edge TPU as coprocessor. The rugged system features a PoE PD port and operating temperatures of -5°C to 50°C. Aaeon has announced that its Boxer-8521AI system is now available on a mass market scale. The system embeds the Google Edge […]

If you are unable to extract files from a zip file and instead getting the error "End-of-central-directory signature not found", changes are that the zip file was incompletely downloaded or got corrupted on your disk somehow. This tutorial discusses how to fix, or at least get round, the unzip error when a zip file is corrupted or end of the file is truncated.

In 2021, there are more reasons why people love Linux than ever before. In this series, I'll share 21 different reasons to use Linux. Here's how switching from Windows to Linux can be made seamless with WINE. Do you have an application that only runs on Windows? Is that one application the one and only thing holding you back from switching to Linux? If so, you'll be happy to know about WINE, an open source project that has all but reinvented key Windows libraries so that applications compiled for Windows can run on Linux. read more

If all goes well, the first flight on Mars will be made by Perseverance Mars rover's companion drone helicopter, the Linux-powered Ingenuity.

In May 2020, in the early months of the coronavirus pandemic, I started a summer internship with Red Hat. COVID-19 had cut short my third year studying computer engineering at Georgia Tech, and I learned I would have to work remotely all summer. I wasn't sure what to expect from a virtual internship. read more

Google Chromebooks run on Linux, but normally the Linux they run isn't particularly accessible to the user. Linux is used as a backend technology for an environment based on the open source Chromium OS, which Google then transforms into Chrome OS. The interface most users experience is a desktop that can run Chrome browser apps and the Chrome browser itself. And yet underneath all that, there's Linux to be found. read more

Node.js is wildly popular, but it's not that easy to learn. Now, the Linux Foundation wants to help you pick it up with a new free online class.

ICOP’s NX8MM-D168 is a 35 x 55mm Linux-friendly module featuring the i.MX8M Mini, 2GB LPDDR4 as well eMMC, GbE, 2xUSB, MIPI-DSI and -CSI, PCIe, UART, SPI, I2C and PWM. The module provides a 168-pin board-to-board connector. ICOP Technology has released its NX8MM-D168 based on NXP’s i.MX8M Mini SoC. The 1.6GHz NX8MM-D168 runs Yocto Linux and […]

Node.js is the extremely popular open source JavaScript runtime, used by some of the biggest names in technology, including Bloomberg, LinkedIn, Netflix, NASA, and more. Node.js is prized for its speed, lightweight footprint, and ability to easily scale, making it a top choice for microservices architectures. With no sign of Node.js use and uptake slowing, […]

Better security and application management, but compatibility can be an issue Red Hat's Fedora project is to add a new variant called Kinoite, an immutable desktop operating system alongside the existing Silverblue, which runs GNOME desktop.…

In 2021, there are more reasons why people love Linux than ever before. In this series, I'll share 21 different reasons to use Linux. Playing media is one of my favorite reasons to use Linux.

Friendica is a free, open-source and decentralized social networking platform that helps you to build and maintain your own social networking projects. In this tutorial, we will show you how to install Friendica with Apache and Let's Encrypt SSL on Ubuntu 20.04.

Veteran Unix Admins offer new cut of system-free Debian derivative and get the name right this time Devuan, the Linux distribution that came into being after the 2014 disagreement over Debian’s adoption of the systemd as the operating system’s init daemon, has celebrated its sixth anniversary by adding a third init option.…

AWS Transfer Family supports Secure File Transfer Protocol (SFTP), File Transfer Protocol over SSL (FTPS), and File Transfer Protocol (FTP) to transfer files to and from AWS S3 or AWS EFS(Elastic File System). In this article, we will see the steps to create an SFTP-enabled server on AWS which will be accessible publicly.

Avnet’s “MaaXBoard Nano” SBC runs Android or Linux on an i.MX8M Nano with 1GB DDR4, 16GB eMMC, GbE, WiFi/BT, MIPI-DSI/CSI, 4x USB 2.0, and 40-pin GPIO. In 2019, Avnet’s Embest unit launched a $60 MaaXBoard SBC featuring NXP’s i.MX8M and followed up last year with a similar MaaXBoard Mini based on the i.MX8M Mini. Now, […]

In 2021, there are more reasons why people love Linux than ever before. In this series, I'll share 21 different reasons to use Linux. Today, I'll talk about software repositories read more