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News briefs for April 23, 2018.

With more than 12,000 page views, Amjith Ramanujam's article on how Netflix does failovers in 7 minutes flat was our runaway hit last week.

Orchard Audio’s “ApplePi DAC” audio HAT add-on for the Raspberry Pi is available for $175 on Kickstarter, featuring two 24-bit TI PCM1794A monoaural DACs, a 128dB SNR, and both balanced and unbalanced outputs.

Learn how to run and test your code on a production-like environment with Kubernetes and Helm. I’m a Software Engineer. Every day, I come into work and write code. That’s what I’m paid to do. As I write my code, I need to be confident that it’s of the highest quality. I can test it locally, but anyone who’s ever heard the words, “...but it works on my machine,” knows that’s not enough.

If you are new to system administration in Linux, you will gradually learn that user management is an important aspect of your work. The Linux command line offers several command-line utilities for this purpose, and one of them is the id command.

Google confirms reports of mysterious mails popping up. Google has confirmed that it is possible for spammers to create spoofed emails that appear in a user's 'sent mail' folder.…

Vagrant is a tool that offers a simple and easy to use command-line client for managing virtual environments. I started using it because it made it easier for me to develop websites, test solutions, and learn new things. According to Vagrant's website, "Vagrant lowers development environment setup time, increases production parity, and makes the 'works on my machine' excuse a relic of the past."

Forensic analysis of a Linux disk image is often part of incident response to determine if a breach has occurred. Linux forensics is a different and fascinating world compared to Microsoft Windows forensics. In this article, I will analyze a disk image from a potentially compromised Linux system in order to determine the who, what, when, where, why, and how of the incident and create event and filesystem timelines. Finally, I will extract artifacts of interest from the disk image.

A system administrator can easily reset a password for a user that has forgotten their password. But what happens if the system administrator forgets the root password? This guide will show you how to reset a lost or forgotten root password. Note that to reset the root password, you need to have physical access to […]

If you've ever written, or even just used, Python, you're probably used to seeing Python source code files; they have names ending in .py. And you may also have seen another type of file, with a name ending in .pyc, and you may have heard that they're Python "bytecode" files. read more

Coppermine is a free, open source, fully featured and integrated photo gallery software written in PHP that allow us to publish and manage collection of pictures, create personal photo albums, group albums by categories, send e-cards, organize images and photos. In this tutorial, we will learn how to install Coppermine Photo Gallery on Ubuntu 16.04 LTS.

In my short time working for Clarkson University, I've realized what a huge impact this small university is making on the open source world. Our 4,300 student-strong science and technology-focused institution, located just south of the Canadian border in Potsdam, New York, hosts the Clarkson Open Source Institute (COSI), dedicated to promoting open source software and providing equipment and support for student projects. read more

The data's messy for picking out the most popular Linux distributions, but there are some things we know we know.

Harry (Lei) Zhang, together with the CTO of HyperHQ, Xu Wang, will present “CRI: The Second Boom of Container Runtimes” at KubeCon + CloudNativeCon EU 2018, May 2-4 in Copenhagen, Denmark. The presentation will clarify about more about CRI, container runtimes, KataContainers and where they are going.

This article discusses some of the best practices to achieve best performance from applications running in the Liberty profile of the IBM WebSphere Application Server (WAS) on the IBM Power System S9xx and L922 systems recently made available from IBM.

Do you remember Crunchbang Linux? Crunchbang (often referred to as #!) was a fan-favorite, Debian-based distribution that focused on using a bare minimum of resources. This was accomplished by discarding the standard desktop environment and using a modified version of the Openbox Window Manager.

News briefs April 20, 2018.

One of the biggest challenges for teams starting off with microservices is adhering to the Goldilocks Principle: Not too big, not too small, and not too tightly coupled. Part of this challenge arises from confusion about what, exactly, constitutes a well-designed microservice. read more

Advantech has launched two rugged, Linux-ready embedded DIN-rail computers with Intel Bay Trail SoCs and iDoor expansion: an “UNO-1372G-E” with 3x GbE ports and a smaller UNO-1372G-J with only 2x GbE, but with more serial and USB ports. Like last year’s UNO-2372G, the new UNO-1372G computers offer ruggedization features, and run Advantech Linux or Windows ....

This week in Linux and open source news, Arpit Joshipura sheds light on the networking harmonization initiative, Hyperledger opens the doors of its bug bounty program to the public & more! Read on to stay abreast of the latest open source news.