today's leftovers
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Destination Linux 162: Ikey Doherty Interview, Stuart Langridge Guest Host
Topics covered in this episode:
[...]
Keeping Kids Safe Online[...]
Interview:
Ikey Doherty of Lispy Snake (formerly of Solus)Other Topics:
GNOME 3.36 Preview
ISP’s Claim Privacy Law Violates “Free Speech” -
Daniel Stenberg: Expect: tweaks in curl
One of the persistent myths about HTTP is that it is “a simple protocol”.
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Background
HTTP/1.1 is designed for being sent over TCP (and possibly also TLS) in a serial manner. Setting up a new connection is costly, both in terms of CPU but especially in time – requiring a number of round-trips. (I’ll detail further down how HTTP/2 fixes all these issues in a much better way.)
HTTP/1.1 provides a number of ways to allow it to perform all its duties without having to shut down the connection. One such an example is the ability to tell a client early on that it needs to provide authentication credentials before the clients sends of a large payload. In order to maintain the TCP connection, a client can’t stop sending a HTTP payload prematurely! When the request body has started to get transmitted, the only way to stop it before the end of data is to cut off the connection and create a new one – wasting time and CPU…
“We want a 100 to continue”
A client can include a header in its outgoing request to ask the server to first acknowledge that everything is fine and that it can continue to send the “payload” – or it can return status codes that informs the client that there are other things it needs to fulfill in order to have the request succeed. Most such cases typically that involves authentication.
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Environmental activist Shannon Dosemagen joins FSF conference keynote lineup
Shannon Dosemagen is the second confirmed keynote speaker for the LibrePlanet conference. Dosemagen is the co-founder and current executive director of Public Lab, a nonprofit organization creating local environmental science solutions following the free software philosophy, and winner of the FSF's Award for Projects of Social Benefit. Shannon Dosemagen is an environmental health advocate and a community science champion, and is enthusiastic about free systems and technology that support the creation of a more just and equitable future. She is a previous Fellow at both the Harvard Berkman Klein Center for Internet and Society, and the Loyola University Environmental Communications Institute. During 2020, she will be a Fellow with the Shuttleworth Foundation, working on new concept.
At LibrePlanet, Dosemagen will discuss her experience democratizing science to address environmental problem-solving. Her experiences and frustrations doing this work are very familiar to the free software community: "The work I do on the environment and health is being increasingly challenged by environmental deregulation and lack of cooperation. We're also seeing heightened pressure to drastically alter how society functions in an effort to curb the climate crisis. This is a profound moment, and critical to address at an event aptly themed 'Free the Future.'"
"Shannon's work is very important, and is a testament to the success of community collaboration," says Zoë Kooyman, the FSF's program manager. "Public Lab's work towards free hardware solutions is a strong indicator of what the four freedoms can achieve, and how they can work towards a better future outside of software. Shannon is an experienced speaker and organizer, and we are proud to have her keynote at LibrePlanet."
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GNU Health HMIS patchset 3.6.3 released with coronavirus COVID-19 coding information
GNU Health 3.6.3 patchset has been released !
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PCI Express 6.0 Reaches Version 0.5 Ahead Of Finalization Next Year
Following the PCI Express 6.0 announcement from last summer that called for 64 GT/s transfer rates, version 0.5 of the PCIe 6.0 specification is now out for evaluation.
PCI Express 6.0 v0.5 is a "first draft" specification so that PCI-SIG members can review it and provide any feedback before delivering a complete draft in the months ahead and the v1.0 final draft in 2021.
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Mirantis Co-Founder Boris Renski Launches Enterprise LTE Network Startup
There are no product details so far, but the plan is to leverage the newly opened CBRS spectrum to build 4G LTE wireless solutions and open-source most of the innovation.
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