AWS Landing Zone is a solution that helps customers more quickly set up a secure, multi-account AWS environment based on AWS best practices. With the large number of design choices, setting up a multi-account environment can take a significant amount of time, involve the configuration of multiple accounts and services, and require a deep understanding of AWS services. This solution can help save time by automating the set-up of an environment for running secure and scalable workloads while implementing an initial security baseline through the creation of core accounts and resources.

You can now use JupyterHub on Amazon EMR with EMR release 5.14.0. JupyterHub is a multi-user Jupyter notebook server that serves each user with their own Jupyter notebook interface. It allows multiple users to concurrently use their Jupyter notebooks, create and execute code and perform exploratory data analysis. JupyterHub on EMR is integrated with the Spark framework allowing you to perform interactive Spark queries on EMR clusters using Scala, PySpark, Spark R and Spark SQL kernels. You can also run Python jobs locally and take advantage of the many popular data-science libraries that are pre-installed in your notebook. Now, with EMR release 5.14.0, EMRFS, Amazon EMR’s connector for S3, supports auditing of users who ran queries that accessed data in S3 through EMRFS. This feature is turned on by default and will pass on user and group information to audit logs like CloudTrail, providing you with comprehensive request tracking. Besides auditing, EMRFS provides features like consistent view , S3 server-side and client-side encryption , and fine-grained authorization to S3 .

You can launch JupyterHub by selecting “JupyterHub” from the list of applications to be installed when you configure and launch your cluster. Please visit the Amazon EMR documentation for more information about the EMR release 5.14.0 , JupyterHub and EMRFS .

Amazon EMR release 5.14.0 is available in all supported regions for Amazon EMR .

It might be a bit old-hat these days, but I was interested to come across a differential pair triangle-to-sine conversion technique in this Loudifier blog that apparently came from a TI app note (once a Nat Semi app note) called ‘AN-263 Sine wave generation techniques‘. Analog Devices published a very similar circuit (right) with a …

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You can see why the USA may be getting a trifle paranoid about China at the moment because China keeps pulling out all the stops to up the pace in the tech race. After trying and failing to buy US tech companies, China then set about raising a series of enormous local and central government …

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Recom has added the RSP-168 surge protectors to their portfolio, which allow DC/DC converters to meet both RIA12 and NF F 01-510 surge immunity specifications for railway applications.  Three versions cover a range of railway certified DC/DC converters from 20W up to 240W.  The modules are designed to protect railway DC/DC converters from excessive voltage …

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Rutronik has expanded its distribution agreement with TDK for the European market.  As a result will now offer TDK’s Epcos brand of products. This is in addition to the TDK-Micronas and TDK-Lambda brands. Under the EPCOS brand, TDK offers aluminum electrolytic and foil capacitors, transformers, varistors, thermistors, piezo components, and actuators for haptic feedback.  Rutronik …

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Including a vector network analysers (VNA), oscilloscope and an arbitrary waveform generator (AWG)

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A million members have joined Avnet’s online collaborative networks of engineers, entrepreneurs and developers – element14.com and Hackster.io. Avnet acquired both element14 (as part of Premier Farnell) and Hackster.io in 2016.  Since then, the combined membership grew by approximately 48% year over year. element14 is a discussion-based online community where engineers collaborate to solve one …

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Harting develops range of miniaturised IGBT power interfaces with integrated electro-optical conversion

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Harwin has added to its Sycamore Contact (https://www.harwin.com/product-highlights/sycamore-contact/) product offering. While this series was initially capable of accommodating 1mm and 1.5mm diameter contact pins, it now covers pin sizes from 0.80 to 1.90mm. There are a wide variety of scenarios where electronic devices/modules will require replacement over time (such as depleted gas sensors or worn-out …

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