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Hardkernel’s open-spec Odroid-N2 SBC has gone on sale for $63 (2GB RAM) or $79 (4GB). The SBC runs Ubuntu or Android on an Amlogic S922X with 4x 1.8GHz -A73 and 2x 1.9GHz -A53 cores. As promised, the Odroid-N2 has gone on sale for $63 (2GB DDR4 RAM) or $79 (4GB), with shipments beginning April 3. […]

Renowned Linux kernel developer and maintainer Greg Kroah-Hartman announced the end of life of the Linux 4.20 kernel series, urging users to upgrade to a newer kernel series as soon as possible.

Today we are taking an exhaustive look at the tr command. We learn how to substitute, delete and squeeze characters on the command line. We also take an in-depth and interesting look at two cryptic options, the complement option as well as truncate, which does not do what you think.

Artila’s 112 x 89 x 30mm “Wireless Gateway Matrix-750” runs Linux on a Cortex-A7-based i.MX6 ULL, and offers 2x LAN ports plus USB OTG, serial, DIO, and mini-PCIe with micro-SIM and antennas. Artila has announced a new Matrix wireless gateway that offers a faster processor and much smaller footprint than recent models but with more […]

Libvirt is an important tool for managing virtualized environments on Linux hosts. An audit trail of events that occur on the host during libvirt's execution is often necessary for monitoring, compliance, forensics, and other purposes. This article describes how to use the Linux audit subsystem on the host to track operations performed by libvirt and how to correlate the events with other host events to provide a consistent and comprehensive view of changes performed through libvirt.

Developer Arne Exton released a new version of his RaspAnd OS for the tiny Raspberry Pi computer with support for Google's latest Android 9 Pie mobile operating system.

The yearly Kubernetes Contributor Summits bring together new and current Kubernetes contributors alike to connect and share face-to-face. With each event having different goals, the Barcelona event is shaping up to focus on strengthening our contributor base in other regions outside of the US, and adding in some activities for our current contributors to get hallway conversations in with their distributed peers.

Ksnip, a free and open source Qt5 screenshot tool has seen a new major release recently, which adds important enhancements like experimental Wayland support for KDE and GNOME, option to scale the image, and new annotation tools like blur, double arrow, marker rectangle and ellipse. What's more, with this release the application is no longer Linux-only, adding macOS and Windows support.

Sensu is an open-source monitoring solution that has the capability to monitor different environments, especially for mixed environments like public, private, and hybrid clouds.

If you have ever been in a situation where one application ate all your bandwith, then you will appreciate the trickle bandwidth shaper application. With trickle, you can control an application's upload and download speeds so that no single application hogs all the bandwidth.

Learn about some of the risks when choosing an alternative to a Raspberry Pi for your project.

TensorFlow is a free and open source platform for machine learning built by Google.

When I teach programming classes, I find my students learn better when I include screen captures in my teaching materials. By showing step-by-step details using a digital projector, my students can visualize how the application works, making it quicker and easier for them to understand what I'm trying to explain. read more

2DayGeek: These commands are help us to check the Linux system shutdown and reboot date and time.

In this article, we will describe three ways that a user can use to shut down or power off his/her Ubuntu system: using the UI, through the application launcher search bar and through the Ubuntu command line.

News briefs for March 27, 2019.

From time to time, I get nostalgic about the video games I played during my childhood in the late '80s and the '90s. Although most of my old computers and game consoles are long gone, my Raspberry Pi can fulfill my retro-gaming fix. I enjoy the simple games included in Raspbian, and the open source RetroPie project helped me turn my Raspberry Pi into an advanced retro-gaming machine. read more

In this tutorial, we're going to show you how to install and configure the AWX on Ubuntu server 18.04. We're going to install the AWX with Nginx as a reverse proxy and built on the HTTPS secure connection.

VeraCrypt is a free and open source cross-platform disk encryption software that builds on the discontinued TrueCrypt. VeraCrypt adds enhanced security to the algorithms used for system and partitions encryption. It also resolves many vulnerabilities and security issues inherent in TrueCrypt together with a ton of modifications.

Adding options to the kernel command line is a common task when debugging or experimenting with the kernel. The upcoming Fedora 30 release made a change to use Bootloader Spec (BLS). Depending on how you are used to modifying kernel command line options, your workflow may now change. Read on for more information. To determine […]