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Testing applications is a critical part of software development as illustrated by the rise of continuous integration and automated testing. In his upcoming LinuxCon + ContainerCon talk -- Testing Applications with Traffic Control in Containers -- Alban Crequy will focus on one area of testing that is difficult to automate: poor network connectivity. He will describe a testing approach which emulates network connectivity and which integrates existing Linux kernel features into higher level tools such as Kubernetes and Weave Scope.

My first Web-related job was in 1995, developing Web applications for a number of properties at Time Warner. When I first started there, we had a handful of programmers and managers handling all of the tasks. But over time, as happens in all growing companies and organizations, we started to specialize.

Fragmentation is a longstanding Achilles heel for the Linux desktop. In a world of myriad incompatible distributions, popular apps are typically limited to one or two of the most popular distributions, and the creation of new apps is stifled. The impact of fragmentation on application developers offers a good example of the problem: To release an app for Linux, a developer must contend with different package formats and a baffling number of distributions, all of which have their own particular conventions. read more

In May, we reported on an Embedded Linux Conference talk by Open Connectivity Foundation (OCF) Executive Director Mike Richmond on the potential for interoperability between the OCF’s IoTivity IoT framework and the AllSeen Alliance’s AllJoyn spec.

runC, a lightweight universal container runtime, is a command-line tool for spawning and running containers according to the Open Container Initiative (OCI) specification. That's the short version. The long version: The governance umbrella created by Docker, Google, IBM, Microsoft, Red Hat, and many other partners to create a common and standardized runtime specification has a readable spec document for the runtime elements of a container, and a usable implementation based on code contributed to the OCI by Docker. read more

Linux kernel developer Christoph Hellwig's bid to have VMware's knuckles rapped for breaching the GNU General Public Licence (GPL) has failed, for now, after the Landgericht Hamburg found in Virtzilla's favour.

n the previous six articles in this series we learned how to manage version control on text files with Git. But what about binary files? Git has extensions for handling binary blobs such as multimedia files, so today we will learn how to manage binary assets with Git.

Performance plays an important role in any computer program. It’s something which makes a user stay with your software. Imagine if your software took minutes to start even on a powerful machine. Or imagine it showed visible performance drops when doing some important work.... Continue Reading →

A patch to fix a weakness in the transmission control protocol used in the Linux kernel since 2012, which could lead to remote hijacking of Internet connections, is available in the public stable queue tree and is likely to be included in the next stable release.

The first cloud native-focused event hosted by The Cloud Native Computing Foundation will gather leading technologists from open source cloud native communities in Toronto on Aug. 25, 2016, to further the education and advancement of cloud native computing.

The Onion Omega2 is an Arduino-compatible board which runs Linux natively. This means you can plug it in and get a command line or access the system via a desktop-like web interface. It has Wi-Fi built in and can be expanded to support cellular, Bluetooth, and GPS connections.

A few weeks ago, Citrix and Bitdefender launched XenServer 7 and Bitdefender Hypervisor Introspection, which together compose the first commercial application of the Xen Project Hypervisor’s Virtual Machine Introspection (VMI) infrastructure. In this article, we will cover why this technology is revolutionary and how members of the Xen Project Community and open source projects that were early adopters of VMI (most notably LibVMI and DRAKVUF) collaborated to enable this technology.

OpenStack runs on Linux, but it has many moving parts. SUSE and Mirantis want to be your cloud integrator.

At LinuxCon+ContainerCon North America this month, Jérôme Petazzoni of Docker will present a free, all-day tutorial “Orchestrating Containers in Production at Scale with Docker Swarm.” As a preview to that talk, this article takes a look specifically at SwarmKit, an open source toolkit used to build multi-node systems.

A roundup of this week in Open Source News.

In this week's edition of our open source news roundup, we take a look at the Linux Foundation's support for virtual switches, what "open" really means, saving the Earth from asteroids, and more. Open source news roundup for August 7-13, 2016 read more

OpenStack runs on Linux, but it has many moving parts. SUSE and Mirantis want to be your cloud integrator.

With the presidential election season upon us, I'm often asked whether the U.S. government efforts to encourage use of open source software (OSS) will continue when a new administration comes into office in January. read more

This tutorial shows how you can use basic HTTP authentication with Nginx to password-protect directories on your server or even a whole website. This is the Nginx equivalent to basic HTTP authentication on Apache with .htaccess/.htpasswd.

IEI’s wide temperature “Hyper-BW” Pico-ITX SBC expands upon Intel’s Braswell chips with 2x mini-HDMI, 4x USB, and 2x serial, plus SATA, M.2, and GbE. IEI’s 100 x 72mm Hyper-BW recently showed up on an IEI product page with a “preliminary” tag, and without an announcement.