Unix, Linux, DevOps , Cloud computing and BigData Knowledge-Base


Cosine Similarity support in Amazon Elasticsearch Service

Amazon Elasticsearch Service now supports cosine similarity distance metric with k-Nearest Neighbor (k-NN) to power your similarity search engine. Cosine similarity is used to measure similarities between two vectors, irrespective of their sizes and is… Continue Reading — Cosine Similarity support in Amazon Elasticsearch Service


[$] Open-source CNCing

Last year Sienci Labs finished its Kickstarter campaign for the open-source LongMill Benchtop CNC Router — its second successful open-source CNC machine Kickstarter campaign. CNC routers allow users to mill things (like parts) from raw mat… Continue Reading — [$] Open-source CNCing


A long list of GRUB2 secure-boot holes

Several vulnerabilities have been disclosed in the GRUB2 bootloader; they enable the circumvention of the UEFI secure boot mechanism and the persistent installation of hostile software. Fixing the problem is not just a matter of getting a new G… Continue Reading — A long list...


Redefine your enterprise storage with Ceph

Charmed Ceph is a software-defined storage solution that uses model-driven operations to make managing your storage cluster easy. Ceph can provide a storage backend for up to exabytes of data on different clouds, can run on commodity hardware and ensur… Continue Reading — Redefine your...


[$] A look at Dart

Dart is a BSD-licensed programming language from Google with a mature open-source community supporting the project. It works with multiple architectures, is capable of producing native machine-code binaries, and can also produce JavaScript versi… Continue Reading — [$] A look at Dart


GNU nano 5.0 released

Version 5.0 of the GNU nano text editor is out; it contains a number of improvements to the editing experience. “With –indicator (or -q or ‘set indicator’) nano will show a kind of scrollbar on the righthand side of the screen to indicate where in the...


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