Nagios Plugins for Linux v20

I'm pleased to announce the immediate, free availability of the Nagios Plugins for Linux version 20. Full details about what's included can be found in the release notes. As usual, you can download the sources from GitHub. Bug reports, feature requests, and ideas for improvements are welcome! Security fixes Some insecure data handling issues discovered by…

Nagios Plugins for Linux v19

The release 19 of the Nagios Plugins for Linux is now available for download! You can download the tarball from GitHub. As usual, bug reports, feature requests, and ideas for improvements are welcome! Fixes check_multipath Recent versions of multipath no longer open a multipathd socket file in the file system, but instead use an abstract namespace socket. Thanks…

Nagios Plugins for Linux 18 released

Here is it, version 18 of the Nagios Plugins for Linux. It's manly a bugfix release with a fix for an issue recently pointed out by Paul Dunkler: some of the plugins did not terminate with the correct return code when reaching a warning or critical threshold. The check_memory plugin no more reports as cached memory the unreclaimable…

Gradient Boosting

Gradient boosting ensemble technique for regression Gradient boosting is a machine learning technique for regression and classification  problems, which produces a prediction model in the form of an ensemble of weak prediction models, typically decision trees. It builds the model in a stage-wise fashion like other boosting methods do, and it generalizes them by allowing optimization of…

Introduction to Deep Learning with Python

Introduction to Deep Learning with Python Alec Radford, Head of Research at indico Data Solutions, speaking on deep learning with Python and the Theano library. An amazing data science YouTube tutorial with emphasis on high performance computing, natural language processing using recurrent neural nets, and large scale learning with GPUs. This tutorial provides and excellent example of…

Neuroscientists simulate tiny part of rat brain

82 scientists and engineers simulate 37 million synapses in massive Blue Brain Project The Blue Brain Project, the simulation core of the European Human Brain Project, has released a draft digital reconstruction of the neocortical microcircuitry of a piece of the rat-brain neocortex — about a third of a cubic millimeter of brain tissue containing about…

Let’s Encrypt – Arriving Q4 2015

Encrypt the entire web Let’s Encrypt is a new, free, automated, and open certificate authority service provided by Internet Security Research Group (ISRG), a California public benefit corporation. The project aims to make encrypted connections in the World Wide Web the default case, by providing free X.509 certificates for Transport Layer Security encryption (TLS). They’ll be working towards general availability over…

Getting Started with Storm

"Getting Started with Storm", by Jonathan Leibiusky, Gabriel Eisbruch & Dario Simonassi. Countinuous Streaming Computation with Twitter's Cluster Technology. Even as big data is turning the world upside down, the next phase of the revolution is already taking shape: real-time data analysis. This hands-on guide introduces you to Storm, a distributed, JVM-based system for processing streaming data.…

SF Big Analytics – Update on Speech Recognition and HPC at Baidu Research

Baidu hosted SF Analytics Meetup at their Sunnyvale office on August 19th, 2015 - Updates on Speech Recognition, Deep Learning and HPC. SF Big Analytics Part 1. Deep Learning by Chief Scientist Andrew Ng SF Big Analytics Part 2. Bryan Catanzaro, Senior Researcher: "Why is HPC So Important to AI?" SF Big Analytics Part 3. Awni Hannun, Senior Researcher: "Update on Deep Speech"

Is Parallel Programming Hard, And, If So, What Can You Do About It?

"Is Parallel Programming Hard, And, If So, What Can You Do About It?" is a free book written by Paul E. McKenney from the Linux Technology Center IBM Beaverton, and covered by the terms of the Creative Commons Attribution-Share Alike 3.0 United States license. As stated by the book's author, this book focuses on shared-memory parallel programming,…