Open-source News

Benchmarking AMD Ryzen 5 5500U Linux Performance With A $450 Lenovo Laptop

Phoronix - Wed, 05/26/2021 - 21:55
The AMD Ryzen 5 5500U with six cores / twelve threads within a Lenovo laptop at $449 USD is quite a steal. This is also my first time benchmarking the AMD Ryzen 5 5500U after waiting months on Ryzen 5000 series laptop availability. Here are some initial benchmarks of the Ryzen 5 5500U under Ubuntu 21.04 Linux against various other Intel/AMD laptops.

AMDVLK 2021.Q2.4 Released With Two More Extensions Added

Phoronix - Wed, 05/26/2021 - 18:03
Just one week after AMDVLK 2021.Q2.3 is now another update to this open-source AMD Vulkan driver for Linux systems...

M1RACLES: Apple M1 Exposed To Covert Channel Vulnerability

Phoronix - Wed, 05/26/2021 - 17:40
Apple's shiny new in-house M1 Arm chip is the latest processor challenged by a security vulnerability. The "M1RACLES" vulnerability was made public today as a covert channel vulnerability by where a mysterious register could lead EL0 state...

How I monitor my greenhouse with CircuitPython and open source tools

opensource.com - Wed, 05/26/2021 - 15:01

CircuitPython provides a revolutionary way to interact with microcontroller boards. This article explains how to use CircuitPython to measure a greenhouse's temperature, humidity, and ambient light and publish the results to an MQTT broker using a CircuitPython MQTT client. You can subscribe any number of programs to the MQTT queues to process the information further.


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Fedora Cloud 35 Looking To Use The Btrfs File-System By Default

Phoronix - Wed, 05/26/2021 - 15:00
Fedora Workstation has been defaulting to the Btrfs file-system since F33 while other editions of Fedora Linux have continued using their defaults. With Fedora Cloud 35, this cloud spin of Fedora is now also looking to migrate to Btrfs...

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