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Garrett: We need better support for SSH host certificates

LWN.net - Pet, 03/24/2023 - 20:31
Matthew Garrett looks at the recent disclosure of GitHub's private host key, how it probably came about, and what a better approach to key management might look like.

The main problem is that client tooling just doesn't handle this well. OpenSSH has no way to do TOFU for CAs, just the keys themselves. This means there's no way to do a git clone ssh://git@github.com/whatever and get a prompt asking you to trust Github's CA. Instead, you need to add a @cert-authority github.com (key) line to your known_hosts file by hand, and since approximately nobody's going to do that there's only marginal benefit in going to the effort to implement this infrastructure. The most important thing we can do to improve the security of the SSH ecosystem is to make it easier to use certificates, and that means improving the behaviour of the clients.

How to Fix: pip command not found error in Ubuntu and other Linux

tuxmachines.org - Pet, 03/24/2023 - 19:43
A quick and simple guide to fix pip command not found in Ubuntu and other Linux distributions.

Android Leftovers

tuxmachines.org - Pet, 03/24/2023 - 19:39
ANBERNIC Launches the RG405M Handheld with an Android-based OS

Programming Leftovers

tuxmachines.org - Pet, 03/24/2023 - 19:27
Coding-related links

GNOME Plans for Native Accent Colour Support

tuxmachines.org - Pet, 03/24/2023 - 19:24
The GNOME team is developing accent colour support and its benefits for personalization.

When Do Arch’s Users Get the Latest GNOME Version

tuxmachines.org - Pet, 03/24/2023 - 19:19
Are you an Arch Linux user eager for the latest GNOME version? Look no further – here are the answers you’re looking for

Machine Learning in Linux: Easy Diffusion – a Stable Diffusion UI

tuxmachines.org - Pet, 03/24/2023 - 19:14
This is cross-platform open source software running on Linux, macOS, and Windows

Free Software Leftovers

tuxmachines.org - Pet, 03/24/2023 - 19:12
Some software, update from Mr. Revoy and more

today's howtos

tuxmachines.org - Pet, 03/24/2023 - 19:10
last batch for today

Podcasts and New Videos

tuxmachines.org - Pet, 03/24/2023 - 19:09
Episodes and more

Security Leftovers

tuxmachines.org - Pet, 03/24/2023 - 18:51
Incidents, bugs etc.

Intel XeSS SDK 1.1 Released

Phoronix - Pet, 03/24/2023 - 18:28
The Intel XeSS SDK 1.0 release happened last September while now has been succeeded by XeSS SDK 1.1. Though like the prior release, the XeSS SDK isn't fully open-source with just the bits around game integration being public...

Ubuntu 22.10 Users Get New Linux Kernel Security Update, 9 Vulnerabilities Patched

tuxmachines.org - Pet, 03/24/2023 - 18:16
Canonical released today a new Linux kernel security update for Ubuntu 22.10 (Kinetic Kudu) users to address nine security vulnerabilities.

Amazon Linux 2023 (UPDATED)

tuxmachines.org - Pet, 03/24/2023 - 18:15
New release

today's howtos

tuxmachines.org - Pet, 03/24/2023 - 16:56
many howtos for the afternoon

Programming Leftovers

tuxmachines.org - Pet, 03/24/2023 - 15:51
Coding links and RasPi

AMD FidelityFX Super Resolution 3 "FSR 3" Will Be Open-Source

Phoronix - Pet, 03/24/2023 - 15:48
AMD has been teasing FidelityFX Super Resolution 3 (FSR3) as the latest version of their game upscaling tech that will be released later in the year. AMD began showing off FSR 3 to game developers this week at GDC while also re-affirming their open-source commitment...

Intel Arc Graphics Show Good Potential For Linux Workstation OpenGL Performance

Phoronix - Pet, 03/24/2023 - 15:30
Recently I provided a fresh look at the Intel Arc Graphics Linux gaming performance with the newest open-source drivers. While it was a letdown with some of the newer Steam Play games still not working due to current limitations of the Intel "ANV" open-source Vulkan driver and some Vulkan performance issues in other titles, one area that stood out was the very good Linux OpenGL performance. That made me curious to look at the workstation OpenGL performance for Intel Arc Graphics, which is the focus of today's testing.
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