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News briefs for July 24, 2019.

This tutorial shows you how to set up a JMeter cluster for load tests. JMeter can be used to simulate a heavy load on a server, group of servers, network, or object, to test its strength, or to analyze overall performance under different load types.

The ls command lists files on a POSIX system. It's a simple command, often underestimated, not in what it can do (because it really does only one thing), but in how you can optimize your use of it.

Have an old computer gathering dust in your basement? Why not put it to use? A backup machine could come in handy if your primary computer fails and you want to be online with a larger screen than your smartphone. Or it could act as a cheap secondary computer shared by the family. You could even make it into a retro gaming box. You can take any computer up to a dozen years old and—with the right software—perform many of the same tasks you can with new machines. Open source software is the key.

Canonical drags the telco into the 21st century. British Telecom has chosen Ubuntu OpenStack, developed by open-source specialist Canonical, as the cloud platform that will help support the introduction of 5G and fibre-to-the-premises connectivity in the UK.…

Visual Studio, ASP.NET Core and Linux: Some tension Hands On Microsoft loves Linux – but coding and deploying an ASP.NET Core application for the open-source OS comes with a bit of friction compared to using Windows.…

The Fedora CoreOS team is excited to announce the first preview release of Fedora CoreOS, a new Fedora edition built specifically for running containerized workloads securely and at scale. It’s the successor to both Fedora Atomic Host and CoreOS Container Linux. Fedora CoreOS combines the provisioning tools, automatic update model, and philosophy of Container Linux […]

Linux kernel headers are the unstable, constantly-changing, internal API of the kernel. This includes internal kernel structures (for example, task_struct) as well as helper macros and functions. Unlike the UAPI headers used to build userspace programs that are stable and backward-compatible, the internal kernel headers can change at any time and any release.

Axiomtek’s “PICO319” SBC is built around a quad-core Atom x5-E3940 SoC and offers 2x GbE, 2x USB 3.0, DP and LVDS, mini-PCIe and M.2, and -40 to 70°C support. The PICO319 is the latest of several Axiomtek Pico-ITX boards with an Intel Apollo Lake processor, including last year’s PICO316. The PICO319 incorporates the quad-core, up […]

Bludit is a simple, fast, secure, flat-file CMS that allows you to create your own website or blog in seconds. In this tutorial, we will go through the Bludit CMS installation and setup on Fedora 30 system by using NGINX as a web server.

The kernel this. The kernel that. People often refer to one operating system's kernel or another without truly knowing what it does or how it works or what it takes to make one. What does it take to write a custom (and non-Linux) kernel?

News briefs for July 23, 2019.

The third season of the Command Line Heroes podcast continues its look at the history of the programming languages we depend on every day. Episode 3, released today, investigates the origin of JavaScript. Here's the unlikely story of how it happened. read more

Former SAP COO moves to the top job at SUSE, the oldest Linux business and more recently an open-source cloud power.

Sentry is a free and open-source error tracking application that can be used to identify issues in real-time. In this tutorial, we will explain how to install Sentry with Docker on Ubuntu 18.04 server.

The kernel team is working on final integration for kernel 5.1. This version was just recently released, and will arrive soon in Fedora. This version has many security fixes included. As a result, the Fedora kernel and QA teams have organized a test week from Monday, Jul 22, 2019 through Monday, Jul 29, 2019. Refer […]

Everybody knows that sysadmins are impossibly busy people. Consequently, it sometimes seems they are superhuman. The sysadmin's dirty secret, the same one shared by many open source users, is that they don't actually do all of the work it looks like they've done. One of the greatest tools in the sysadmin's kit is their ability to reuse work someone else has already done for them.

In the beginning there was dual boot, it was the only way to have more than one operating system on the same laptop. At the time, it was difficult for these operating systems to be run simultaneously or interact with each other. Many years passed before it was possible, on common PCs, to run an […]

In this edition of our open source news roundup, we take a look at database vendors going all in with open source, Facebook and Uber's latest open source releases, City of London's homebuilding app, and more!

Redmond engineer hints at taking super-lang for a spin. Microsoft Security Response Center (MSRC) is waxing lyrical about the risks inherent in C and C++ coding, arguing it may be time to dump "unsafe legacy languages" and shift to more modern, safer ones.…