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This primer will introduce you to basic Linux server security. While it focuses on Debian/Ubuntu, you can apply everything presented here to other Linux distributions. I also encourage you to research this material and extend it where applicable. 1. Update your server The first thing you should do to secure your server is to update the local repositories and upgrade the operating system and installed applications by applying the latest patches. On Ubuntu and Debian: read more

And you shouldn't be either. Every company wants to rule Linux -- none of them can or ever will.

Portwell’s rugged, Linux-friendly “Kuber-2000” embedded computers are based on Intel’s Apollo Lake and measure only 99 x 92 x 46mm. Different models are optimized for isolated I/O, CAN/automotive, PoE, soft PLC, and wireless. American Portwell Technology has launched a family of six Kuber-2000 industrial mini-PCs with different I/O packages aimed at specific applications.

If you're attending the All Things Open conference in Raleigh, NC this year be sure to check out our Lightning Talk series on Tuesday, October 15 at 12:45 pm EDT.

Redis also know as "Remote Dictionary Server" is an open-source and in-memory database that can be used as a database, cache and message broker. In this tutorial, we will learn how to install and secure Redis on Debian 10 server.

Now-removed personal website statement sparks confusion. On Monday, a group of maintainers of the GNU Project, the free operating system created by Richard Stallman, questioned Stallman's leadership and emitted a joint statement for rethinking how the project should be managed going forward.…

The Java Persistence API (JPA) is an important Java functionality for application developers to understand. It translates exactly how Java developers turn method calls on objects into accessing, persisting, and managing data stored in NoSQL and relational databases. This article examines the JPA in detail through a tutorial example of building a bicycle loaning service.

Java is a versatile programming language used, in some way, in nearly every industry that touches a computer. Java's greatest power is that it runs in a Java Virtual Machine (JVM), a layer that translates Java code into bytecode compatible with your operating system. As long as a JVM exists for your operating system, whether that OS is on a server (or serverless, for that matter), desktop, laptop, mobile device, or embedded device, then a Java application can run on it. If you're just getting started with Java programming, here are seven basics you need to know.

In the first article in this series, learn the signals, mechanisms, tools, and platforms you can use to observe services running on Kubernetes.

IceWM is a very lightweight desktop. It’s been around for over 20 years, and its goals today are still the same as back then: speed, simplicity, and getting out of the users way. I used to add IceWM to Scientific Linux, for a lightweight desktop. At the time, it was only a .5 Meg rpm. […]

Pritunl is a VPN Server Software based on the popular OpenVPN platform. In this tutorial, you will learn how to set up and use Pritunl on your Ubuntu 18.04 LTS based server.

Boffins find sharing snippets of code has a downside. Among those learning how to program, and some more experienced software developers, it's common practice to copy and paste code snippets from Stack Overflow, a Q&A forum for asking about coding problems.…

This week, the U.S. Court of Appeals for the D.C. Circuit issued its ruling in Mozilla v. Federal Communications Commission (FCC), the court case to defend net neutrality protections for …

Lanner’s compact “NCA-1513” is an Atom C3000-based network appliance with up to 6x GbE ports with dual Gen3 bypass pairs and Intel QuickAssist plus mini-PCIe and 2x M2 expansion slots. Lanner announced the release of a desktop networking appliance with up to 6x Gigabit Ethernet ports that measures a compact 231 x 200 x 44mm. […]

Logic Supply has introduced a line of Linux-ready “IGN” embedded gateways preloaded with Inductive Automation’s “Ignition” industrial automation and SCADA software with Intel Apollo Lake, Skylake, Coffee Lake, and Whiskey Lake CPUs. Logic Supply has launched a family of five IGN edge gateways that are preconfigured with Inductive Automation’s Ignition industrial automation trial software. The […]

CentOS 8 is a free and open-source Linux distribution and community version of RHEL 8. In this tutorial, we will show you step by step instructions on how to install CentOS 8.

With the next version of Fedora, support for the obsolete 32-bit version Linux will be dropped.

iWave unveiled a dev kit for its Linux-driven, Zynq Ultrascale+ based iW-Rainbow G30M module with support for a new Xilinx AI Platform. Xilinx is baking related AI technology into its soon-to-ship, Linux-powered 7nm Versa processors. iWave Systems has launched an “iW-Rainbow G30D Zynq Ultrascale+ MPSoC Development Kit” for its iW-Rainbow G30M compute module, which runs […]

GNOME, Java, Jupyter, Python. If your friends or family members have ever eavesdropped on your work conversations, they might think you've made a career in Renaissance folklore, coffee roasting, astronomy, or zoology. Where did the names of these open source technologies come from? We asked our writer community for input and rounded up some of our favorite tech name origin stories. read more

Open-source veteran not above the odd speed increase Open-source database darling PostgreSQL emitted a new version of its eponymous database last night with more nods to standard SQL and a performance boost.…