RSS OpenSource

  • 7 tools for analyzing performance in Linux with bcc/BPF November 21, 2017
    A new technology has arrived in Linux that can provide sysadmins and developers with a large number of new tools and dashboards for performance analysis and troubleshooting. It's called the enhanced Berkeley Packet Filter (eBPF, or just BPF), although these enhancements weren't developed in Berkeley, they operate on much more than just packets, and they […]
  • An introduction to machine-learned ranking in Apache Solr November 21, 2017
    This tutorial describes how to implement a modern learning to rank (LTR, also called machine-learned ranking) system in Apache Solr. It's intended for people who have zero Solr experience, but who are comfortable with machine learning and information retrieval concepts. I was one of those people only a couple of months ago, and I found […]
  • Why the open source community needs a diverse supply chain November 21, 2017
    At this year's Community Moderator's meeting in Raleigh, North Carolina, Red Hat CEO Jim Whitehurst made a comment that stuck with me. "Open source's supply chain is source code," he said, "and the people making up that supply chain aren't very diverse." Diversity and inclusivity in the technology industry—and in open source communities more […]
  • LVFS makes Linux firmware updates easier November 20, 2017
    Traditionally, updating a BIOS or a network card's firmware in Linux meant booting into Microsoft Windows or preparing a MS-DOS floppy disk and hoping everything would work correctly after the update. Periodically searching a vendor website for updates is a manual and error-prone task and not something we should ask users to do. A firmware […]
  • Font licensing and use: What you need to know November 20, 2017
    Most of us have dozens of fonts installed on our computers, and countless others are available for download, but I suspect that most people, like me, use fonts unconsciously. I just open up LibreOffice or Scribus and use the defaults. Sometimes, however, we need a font for a specific purpose, and we need to decide which one […]
    Greg P
  • Reveal.js presentation hacks November 20, 2017
    Ryan Jarvinen, a Red Hat open source advocate focusing on improving developer experience in the container community, has been using the Reveal.js presentation framework for more than five years. In his Lightning Talk at All Things Open 2017, he shares what he's learned about Reveal.js and some ways to make better use of it. read […]
  • Top 5: Fortran turns 60, AutoCAD alternatives, and more November 17, 2017
    This week, we look at Fortran at 60, open source CAD programs, programming-friendly fonts, and more. read more
    Don Watkins
  • 5 open source fonts ideal for programming November 17, 2017
    What is the best programming font? First, you need to consider that not all fonts are created equally. When choosing a font for casual reading, the reader expects the letters to smoothly flow into one another, giving an easy and enjoyable experience. A single character for a standard font is akin to puzzle piece designed […]
    Andrew Lekashman
  • Open Jam leaves a mark with 45 game entries and 3 big winners November 17, 2017
    In early October 2017, the inaugural Open Jam, a video game jam focused on open source game development, took place. Creators were given 72 hours to build a video game from scratch using the best of the open source world. It was a fantastic weekend, with 45 games created and entered into the jam, and three […]
  • 10 easy steps from proprietary to open source November 16, 2017
    "But surely open source software is less secure, because everybody can see it, and they can just recompile it and replace it with bad stuff they've written." Hands up: who's heard this?1 read more