Showing headlines posted by bob

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Rewriting printk()

The printk() function is a subject of much ongoing consternation among kernel developers. Ostensibly, it's just an output routine for sending text to the console. But unlike a regular print routine, printk() has to be able to work even under extreme conditions, like when something horrible is going on and the system needs to utter a few last clues as it breathes its final breath.

Open Source--It's in the Genes

What happens when you release 500,000 human genomes as open source?

This...

Module and SBC tap LS1028A for 5x Time-Sensitive Networking GbE ports

MicroSys is sampling a new “miriac” module and SBC that run Linux on NXP’s Cortex-A72 based LS1028A with 5x TSN-ready GbE ports and support for up to 2x 10GbE SerDes lanes. Germany-based MicroSys Electronics has begun limited sampling of a miriac MPX-LS1028A compute module and a sandwich-style miriac SBC-LS1028A-TSN SBC that run Linux or the […]

Firefox armaggadd-on: Lapsed security cert kills all browser extensions, from website password managers to ad blockers

  • The Register; By Thomas Claburn (Posted by bob on May 7, 2019 4:15 AM EDT)
  • Story Type: News Story; Groups: Mozilla
Mozillans scramble over the weekend to undo damage On Friday, Mozilla detected a great disturbance in its Firefox browser, as if millions of voices had cried out on social media in annoyance.…

The Year Of Linux On The Desktop - at last! Windows Subsystem for Linux 2 brings the Linux kernel into Windows

A new Windows Terminal is here and on GitHub. Build The biggest news of Microsoft's annual developer get-together, Build, this year was the arrival of the Linux kernel as part of Windows Subsystem for Linux 2. Oh, and a new tab-happy Windows Terminal? It's in GitHub.…

Verify your open licensing prowess with Creative Commons certification

  • Opensource.com (Posted by bob on May 6, 2019 8:49 PM EDT)
  • Story Type: News Story
Creative Commons (CC) licenses are built on copyright and designed to give more options to creators who want to share their content; for example, Opensource.com's content has a CC license. In July 2018, Creative Commons launched a CC Certificate program—an in-depth course about CC licenses, open practices, and the ethos of the Commons. It is composed of readings, quizzes, discussions, and practical exercises to develop learners' open skills. read more

How to use CherryTree for note taking

When I started working at Microsoft a few years ago, one of the first things I did was create a OneNote file to keep track of everything. I had to learn about internal procedures and tooling, partners, projects, and so many other things. The hierarchical nature of OneNote files made it easy to arrange this loosely related information into a well-organized set of documentation that I could quickly refer to. When I left Microsoft to take a job at Red Hat, I wanted to keep using the concept, but with an open source tool. read more

Linux C Programming tutorial part 27 - Array of structures

  • Howtoforge Linux Howtos und Tutorials (Posted by bob on May 6, 2019 3:52 PM EDT)
  • Groups: Linux; Story Type: News Story
In this ongoing C programming tutorial series, we have been discussing lately about structures. Now, expanding further on the concept of structures, we'll discuss how to create an array of structures using easy to understand examples.

Ensure consistency in your Python code with flake8

Python is one of the most popular programming languages in use today—and for good reasons: it's open source, it has a wide range of uses (such as web programming, business applications, games, scientific programming, and much more), and it has a vibrant and dedicated community supporting it. This community is the reason we have such a large, diverse range of software packages available in the Python Package Index (PyPI) to extend and improve Python and solve the read more

Use udica to build SELinux policy for containers

While modern IT environments move towards Linux containers, the need to secure these environments is as relevant as ever. Containers are a process isolation technology. While containers can be a defense mechanism, they only excel when combined with SELinux. Fedora SELinux engineering built a new standalone tool, udica, to generate SELinux policy profiles for containers […]

What to expect at Red Hat Summit 2019

  • computerweekly.com; By Aaron Tan (Posted by bob on May 5, 2019 8:49 PM EDT)
  • Groups: IBM, Red Hat
With Linux now serving as the foundation for cloud computing infrastructure, Red Hat is expected to delve deeper into the capabilities of Red Hat Enterprise Linux (RHEL) 8 at the show. The flagship operating system, currently in beta, is well suited to run mission-critical applications on commodity hardware.

Automate your Python code tests with tox

Python is one of the most popular programming languages in use today—and for good reasons: it's open source, it has a wide range of uses (such as web programming, business applications, games, scientific programming, and much more), and it has a vibrant and dedicated community supporting it. read more

May the fourth be with you: How Star Wars (and Star Trek) inspired real life tech

  • Opensource.com (Posted by bob on May 5, 2019 3:17 AM EDT)
  • Story Type: News Story
Conventional wisdom says you can either be a fan of Star Trek or of Star Wars, but mixing the two is like mixing matter and anti-matter. I'm not sure that's true, but even if the laws of physics cannot be changed, these two acclaimed sci-fi series have influenced the open source universe and created their own open source multi-verses. read more

Using the force at the Linux command line

  • Opensource.com (Posted by bob on May 4, 2019 6:31 PM EDT)
  • Groups: Linux; Story Type: News Story
Sometime in recent history, sci-fi nerds began an annual celebration of everything Star Wars on May the 4th, a pun on the Jedi blessing, "May the Force be with you." Although most Linux users are probably not Jedi, they still have ways to use the force. Of course, the movie might not have been quite as exciting if Yoda simply told Luke to type man X-Wing fighter or man force. Or if he'd said, "RTFM" (Read the Force Manual, of course). read more

Password Manager Roundup

If you can remember all of your passwords, they're not good passwords. I used to teach people how to create "good" passwords. Those passwords needed to be lengthy, hard to guess and easy to remember. There were lots of tricks to make your passwords better, and for years, that was enough. That's not enough anymore.

How to Install Shopware with NGINX and Let's encrypt on Ubuntu 18.04 LTS

Shopware is a widely used open source e-commerce software. This tutorial will walk you through the Shopware Community Edition (CE) installation on Ubuntu 18.04 LTS system by using NGINX as a web server and installation of a free Let's encrypt SSL certificate.

Add methods retroactively in Python with singledispatch

Python is one of the most popular programming languages in use today—and for good reasons: it's open source, it has a wide range of uses (such as web programming, business applications, games, scientific programming, and much more), and it has a vibrant and dedicated community supporting it. This community is the reason we have such a large, diverse range of software packages available in the Python Package Index (PyPI) to extend and improve Python and solve the read more

OpenWrt module and dev board offer Wave2 WiFi

  • LinuxGizmos.com; By Eric Brown (Posted by bob on May 4, 2019 7:33 AM EDT)
  • Story Type: News Story; Groups: Developer
8Ddevices’ “Komikan” module runs OpenWrt on a MIPS24k-based Realtek SoC with dual-band, MU-MIMO 802.11ac (Wave2). The open-spec, $59 dev kit version adds a pair of Ethernet and USB ports. 8devices has opened pre-orders for a $29 Komikan module and sandwich-style, $59 Komikan DVK development board for Wave2 prototyping at up to 1.166Gbps.

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