Open-source News

Set up temperature sensors in your home with a Raspberry Pi

opensource.com - Mon, 07/12/2021 - 15:02

It's HOT! I suppose I can't complain too much about living in paradise, but when my wife and I moved to Hawaii last fall, I didn't really think too much about the weather. Don't get me wrong, the weather is lovely pretty much all the time, and we keep our windows open 24/7, but that means it is pretty warm in the house right now in the middle of summer.


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Reading and writing files with Python

opensource.com - Mon, 07/12/2021 - 15:01

Some data is meant to be temporary, stored in RAM while an application is running, and then forgotten. Some data, however, is meant to be persistent. It's stored on a hard drive for later use, and it's often the stuff that a user cares about the most. For programmers, it's very common to write code to read and write files, but every language handles this task a little differently. This article demonstrates how to handle data files with Python.


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Process_Reap Syscall Proposed For Linux To More Quickly Reclaim Memory Under Pressure

Phoronix - Mon, 07/12/2021 - 15:00
While there are the likes of OOMD / systemd-oomd gaining acceptance as a daemon for Linux systems to deal with killing off processes and other behavior under system memory (RAM) pressure, there still is an issue of the time it takes until the memory is reclaimed by those dying processes. Google engineers at the end of June proposed "process_reap" as a new system call to help in that memory recovery...

What is XML?

opensource.com - Mon, 07/12/2021 - 15:00

XML is a hierarchical markup language. It uses opening and closing tags to define data. It's used to store and exchange data, and because of its extreme flexibility, it's used for everything from documentation to graphics.

Here's a sample XML document:


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Red Hat awards Australia and New Zealand partners for open source innovation

Red Hat News - Mon, 07/12/2021 - 12:00

Red Hat recognizes partners with the 2021 Red Hat Australia and New Zealand Partner Awards. These partners are instrumental in helping customers in Australia and New Zealand, including Tech Data A/NZ, Deloitte, Integral Technology Solutions, Advent One and several others.

Avoiding the “Frankencloud” as you accelerate transformation

Red Hat News - Mon, 07/12/2021 - 12:00

One key challenge enterprises face is launching into cloud adoption without first establishing an overarching cloud strategy. This leads to the so-called Frankencloud–a patchwork of platforms that is hard to manage and increases the difficulty of bringing information together to get a broad view of the business and customers. Learn more about Red Hat’s partner ecosystem and how we work with our GSI partners to help organizations build effective cloud environments.

Microsoft's Internal Linux Distribution "CBL-Mariner" Continues Maturing

Phoronix - Mon, 07/12/2021 - 12:00
Besides Azure Cloud Switch as a Linux platform created by Microsoft, the Windows company has also been developing CBL-Mariner (Common Base Linux) as their own internal albeit public and open-source Linux distribution...

Linux 5.14-rc1 Released - Big GPU Drivers Update, Secret Memory Option + Core Scheduling

Phoronix - Mon, 07/12/2021 - 08:35
Following the two-week long merge window, the first release candidate to Linux 5.14 is now available with all the shiny new features to be found in this next kernel release...

China's Alternative To GSoC Is Seeing Some Interesting Summer Open-Source Projects

Phoronix - Mon, 07/12/2021 - 03:27
Back in May we wrote about China launching an alternative to Google Summer of Code and Outreachy. This global open-source program hosted by the Institute of Software Chinese Academy of Sciences is running "Summer 2021" for encouraging university-aged students regardless of gender or nationality to get involved in open-source development...

New X.Org Server Release While Maintaining Separate XWayland Being Discussed

Phoronix - Mon, 07/12/2021 - 00:00
Last week marked a X.Org Server 21.1 development snapshot being released. While that snapshot noted there will "most likely be no proper release", there is discussion now over creating such a X.Org-Server-Without-XWayland release...

Haiku Marching Towards R1 Beta 3, RISC-V Bring-Up, Intel Display work

Phoronix - Sun, 07/11/2021 - 20:55
The Haiku open-source operating system building off the inspiration and work of BeOS is continuing strong over the summer months...

Linux 5.14 Can Create Secret Memory Areas With memfd_secret

Phoronix - Sun, 07/11/2021 - 17:53
The "memfd_secret" system call is being added to the Linux 5.14 kernel to provide the ability to create memory areas that are visible only in the context of the owning process and these "secret" memory regions are not mapped by other processes or the kernel page tables...

CentOS Forms A Group To Flip On Old, Deprecated Or Out-Of-Tree Kernel Modules

Phoronix - Sun, 07/11/2021 - 17:35
The CentOS Board of Directors has approved the formation of the CentOS Kmods special interest group for expanding the selection of kernel modules available to this distribution...

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