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LWN.net is a comprehensive source of news and opinions from and about the Linux community. This is the main LWN.net feed, listing all articles which are posted to the site front page.
Updated: 2 hours 51 min ago

Firefox adds tracking protection by default

Tuesday 4th of June 2019 09:06:27 PM
The Mozilla blog announces a new Firefox feature: "One of those initiatives outlined was to block cookies from known third party trackers in Firefox. Today, Firefox will be rolling out this feature, Enhanced Tracking Protection, to all new users on by default, to make it harder for over a thousand companies to track their every move. Additionally, we’re updating our privacy-focused features including an upgraded Facebook Container extension, a Firefox desktop extension for Lockwise, a way to keep their passwords safe across all platforms, and Firefox Monitor’s new dashboard to manage multiple email addresses."

[$] Fun with LEDs and CircuitPython

Tuesday 4th of June 2019 04:44:34 PM

Nina Zakharenko has been programming for a long time; when she was young she thought that "the idea that I could trick computers into doing what I tell them was pretty awesome". But as she joined the workforce, her opportunities for "creative coding" faded away; she regained some of that working with open source, but tinkering with hardware is what let her creativity "truly explode". It has taken her years to get back what she learned long ago, she said, and her keynote at PyCon 2019 was meant to show attendees the kinds of things can be built with Python—starting with something that attendees would find in their swag bag.

Three stable kernels

Tuesday 4th of June 2019 02:49:01 PM
Stable kernels 5.1.7, 5.0.21, and 4.19.48 have been released. They all contain the usual set of important fixes. This is the last 5.0.y release and users should move to 5.1.y now.

Security updates for Tuesday

Tuesday 4th of June 2019 02:35:47 PM
Security updates have been issued by Arch Linux (python-django and python2-django), Debian (heimdal), Fedora (kernel, kernel-headers, kernel-tools, and sqlite), openSUSE (containerd, docker, docker-runc, go, go1.11, go1.12, golang-github-docker-libnetwork and GraphicsMagick), Oracle (thunderbird), Red Hat (systemd and thunderbird), SUSE (bind and firefox), and Ubuntu (qtbase-opensource-src).

Šabić: eBPF and XDP for Processing Packets at Bare-metal Speed

Tuesday 4th of June 2019 02:04:17 PM
Nedim Šabić has written a tutorial article on using the eXpress Data Path for fast packet filtering. "Now comes the most relevant part of our XDP program that deals with packet’s processing logic. XDP ships with a predefined set of verdicts that determine how the kernel diverts the packet flow. For instance, we can pass the packet to the regular network stack, drop it, redirect the packet to another NIC and such. In our case, XDP_DROP yields an ultra-fast packet drop."

[$] Yet another try for fs-verity

Monday 3rd of June 2019 09:48:24 PM
The fs‑verity mechanism has its origins in the Android project; its purpose is to make individual files read-only and enable the kernel to detect any modifications that might have been made, even if those changes happen offline. Previous fs‑verity implementations have run into criticism in the development community, and none have been merged. A new version of the patch set was posted on May 23; it features a changed user-space API and may have a better chance of getting into the mainline.

Security updates for Monday

Monday 3rd of June 2019 03:02:59 PM
Security updates have been issued by Arch Linux (curl, lib32-curl, lib32-libcurl-compat, lib32-libcurl-gnutls, libcurl-compat, libcurl-gnutls, and live-media), Debian (doxygen and php5), Fedora (cryptopp, drupal7-context, drupal7-ds, drupal7-module_filter, drupal7-path_breadcrumbs, drupal7-uuid, drupal7-views, drupal7-xmlsitemap, and sleuthkit), openSUSE (axis, chromium, containerd, docker, docker-runc, go, go1.11, go1.12, golang-github-docker-libnetwork, curl, doxygen, GraphicsMagick, java-1_7_0-openjdk, libtasn1, libvirt, lxc, lxcfs, NetworkManager, php5, php7, screen, sles12sp3-docker-image, sles12sp4-image, system-user-root, and thunderbird), Oracle (kernel), SUSE (apache2-mod_jk and libpng16), and Ubuntu (doxygen).

Kernel prepatch 5.2-rc3

Monday 3rd of June 2019 01:17:48 PM
The 5.2-rc3 kernel prepatch has been released. "Anyway, even ignoring the SPDX changes, there's just a lot of small fixes spread all over, not anything that looks particularly scary or worrisome. Maybe next week is when the other shoe drops, but maybe this will just be a nice calm release. That would be lovely."

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Plasma 5.16.90 (Plasma 5.17 Beta) Available for Testing

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Raspberry Pi 4 getting hot? A closer look

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