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Apache: AirFlow, PLC4X and Market Share

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  • Whirl Adds Local AirFlow Development Technique

    Apache Airflow is a workflow automation and scheduling system that you can use to set up and manage data pipelines. It uses workflows made of directed acyclic graphs (DAGs) of tasks. Each task produces some output that is then used as the input to another task.

    The idea of Whirl is to make it easy to run and develop Airflow workflows on your local machine. This gives you rapid feedback about whether the changes you made to your DAG work. The developers suggest you think of it as your integration test environment for developing Airflow DAGs.

  • The Apache Software Foundation Announces Apache® PLC4X™ as a Top-Level Project

    The Apache Software Foundation (ASF), the all-volunteer developers, stewards, and incubators of more than 350 Open Source projects and initiatives, announced today Apache® PLC4X™ as a Top-Level Project (TLP). Apache PLC4X also has the designation as being the 200th project to graduate from the Apache Incubator.

    Apache PLC4X is a universal protocol adapter for creating Industrial IoT applications through a set of libraries that allow unified access to a wide range of industrial programmable logic controllers (PLCs) using a variety of protocols with a shared API. The project was originally developed at codecentric AG, and entered the Apache Incubator in December 2017.

  • April 2019 Web Server Survey

    Despite the overall loss of sites this month, nginx gained 22.3 million websites and 2.03 million additional active sites. nginx also gained the largest number of web-facing computers, increasing its total by 63,000 to 2.57 million (+2.52%). nginx's market share of web-facing computers is now nearly 30%, and this is continuing to grow steadily closer to Apache's leading share of 37.3%.

    Microsoft and Apache lost shares in every headline metric this month, with both vendors contributing significantly to this month's overall loss of sites. Microsoft lost 18.9 million sites, while Apache lost 17.2 million, causing their shares to decrease by 1.01 and 0.87 percentage points.

    These changes have pushed nginx into the lead, giving it a 27.5% share of all sites in Netcraft's April 2019 Web Server Survey. Significantly, this is the first time since 1996 that a vendor other than Microsoft or Apache has served the largest number of websites.

More in Tux Machines

Security Leftovers

  • Why Are Cryptographers Being Denied Entry into the US?

    Is there some cryptographer blacklist? Is something else going on? A lot of us would like to know.

  • Security Engineering: Third Edition

    Today I put online a chapter on Who is the Opponent, which draws together what we learned from Snowden and others about the capabilities of state actors, together with what we’ve learned about cybercrime actors as a result of running the Cambridge Cybercrime Centre. Isn’t it odd that almost six years after Snowden, nobody’s tried to pull together what we learned into a coherent summary?

    There’s also a chapter on Surveillance or Privacy which looks at policy. What’s the privacy landscape now, and what might we expect from the tussles over data retention, government backdoors and censorship more generally?

  • Google halts some business with China's Huawei: report

    Huawei will reportedly no longer be able to access Android updates, the Gmail app, the Google Play store and new versions of Google phones outside of China.

  • Google restricts Huawei's use of Android

    Existing Huawei smartphone users will be able to update apps and push through security fixes, as well as update Google Play services.

    But when Google launches the next version of Android later this year, it may not be available on Huawei devices.

    Future Huawei devices may no longer have apps such as YouTube and Maps.

  • Forget Huawei, The Internet Of Things Is The Real Security Threat
    We've noted for a while how a lot of the US protectionist security hysteria surrounding Huawei isn't supported by much in the way of hard data. And while it's certainly possible that Huawei helps the Chinese government spy, the reality is that Chinese (or any other) intelligence services don't really need to rely on Huawei to spy on the American public. Why? Because people around the world keep connecting millions of internet of broken things devices to their home and business networks that lack even the most rudimentary of security and privacy protections. Week after week we've documented how these devices are being built with both privacy and security as a distant afterthought, resulting in everything from your television to your refrigerator creating both new attack vectors and wonderful new surveillance opportunities for hackers and state actors.

today's howtos

Android Leftovers

A Look At The MDS Cost On Xeon, EPYC & Xeon Total Impact Of Affected CPU Vulnerabilities

This weekend I posted a number of benchmarks looking at the performance impact of the new MDS/Zombieload vulnerabilities that also included a look at the overall cost of Spectre/Meltdown/L1TF/MDS on Intel desktop CPUs and AMD CPUs (Spectre). In this article are similar benchmarks but turning the attention now to Intel Xeon hardware and also comparing those total mitigation costs against AMD EPYC with its Spectre mitigations. This article offers a look at the MDS/Zombieload mitigations on a 1st Gen Skylake Xeon Scalable server as well as a Kabylake Xeon E3 server for reference. Following that is a look at the total CPU vulnerability mitigation costs for 1st Gen Xeon Scalable, 2nd Gen Xeon Scalable (Cascade Lake), and an AMD EPYC 2P server as well for its Spectre mitigations. As expected given Intel's guidance last week of their latest Xeon processors being mitigated for MDS, indeed, the dual Xeon Platinum 8280 Cascade Lake server reported it was not affected by the MDS mitigations and thus not enabled. So for the MDS tests up first it's just some reference results using a dual Xeon Gold 6138 Skylake server running Ubuntu 19.04 with the Linux 5.0 patched kernel and reference results side-by-side for a separate Xeon E3-1275 v6 server. Read more