Tags: Hardware

How to Minimize the Meltdown Patch Performance Penalty

The saga of the cross-industry side-channel attack (Meltdown and Spectre) is not yet over. Turmoil continues as CPU vendors release new microcode and recall previous ones. To understand the extent of the work that still needs to be done, consider the language Linus Torvalds usesabout the patches...
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Security with the Trusted Platform Module

The Trusted Platform Module on your computer's motherboard could lead to better security for your Linux system. The security of any operating system (OS) layer depends on the security of every layer below it. If the CPU can't be trusted to execute code correctly, there's no way to run secure...
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What You Need to Know About the Meltdown and Spectre CPU Flaws

The computer industry is racing to deal with several new vulnerabilities that affect the majority of processors in modern computers and mobile devices. The flaws enable new attacks that break the critical memory defenses in operating systems and bypass fundamental isolation layers, including those...
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Set Up a Raspberry Pi Wireless Access Point

Set up a wireless access point with a Raspberry Pi 3, Ubuntu Core, and snaps. Router coverage gaps often have different causes, which repeaters and access points (APs) can remedy. A repeater usually connects to the router over WiFi and amplifies the signal into areas where the router alone is not...
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AT&T Wants White Box Routers with an Open Operating System

AT&T says it’s not enough to deploy white box hardware and to orchestrate its networks with the Open Network Automation Platform (ONAP) software. “Each individual machine also needs its own operating system,” writes Chris Rice, senior vice president of AT&T Labs, Domain 2.0 Architecture, in...
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5 New & Powerful Dell Linux Machines You Can Buy Right Now

The land of powerful PCs and workstations isn’t barren anymore when we talk about Linux-powered machines; even all of the world’s top 500 supercomputers now run Linux. Dell has joined hands with Canonical Inc. to give Linux-powered machines a push in the market. They have launched five new...
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How AMD Wants to Provide ‘Supercomputing for All’

At the SC17 supercomputing conference in Denver Nov. 13, AMD and some of its ecosystem partners announced the availability of a suite of new, high-performance systems powered by AMD EPYC CPUs (central processing units) and AMD Radeon Instinct GPUs (graphics processing units) to accelerate the use...
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Arduino Create
Arduino has extended its Arduino Create development environment to support Linux on x86 platforms

Arduino Create Expands to Support Linux on Intel Chips

When we talk about open source hardware, we often think about the Raspberry Pi and other community-backed single board computers running Linux. Yet all these communities were modeled on the success of the 14-year-old Arduino project, in which Linux has been only tangentially involved, and only over...
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How to Measure HPC

Measuring high performance computing can be very powerful for the businesses that rely on it and the end users that directly employ it. Based on NAG’s experience helping organizations with HPC measurement, we have put together this overview of the subject for TOP500 News. Measuring usage and costs...
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Exploring AMD’s Ambitious ROCm Initiative

The open source ecosystem is a vast world of free tools and interacting components: drivers, APIs, compilers, and programming languages. The story of Linux and the open source movement has always been about building this ecosystem and completing the pieces of the puzzle to create a flexible,...
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