Open-source News

Unreal Engine 5 Hits Early Access, Linux Still Supported

Phoronix - Wed, 05/26/2021 - 23:58
Epic Games today pushed Unreal Engine 5 out to early access. Like with UE4, Unreal Engine 5 continues offering native Linux support and allowing use of the Vulkan API...

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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