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Kali Linux 2019.1 Release

tuxmachines.org - Tor, 02/19/2019 - 03:28

Welcome to our first release of 2019, Kali Linux 2019.1, which is available for immediate download. This release brings our kernel up to version 4.19.13, fixes numerous bugs, and includes many updated packages.

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It's Still Undecided Whether Ubuntu 20.04 LTS Will Support 32-bit x86 (i386)

Phoronix - Tor, 02/19/2019 - 00:21
Ubuntu 17.10 dropped its i386 / 32-bit x86 installer image while the i386 port has remained part of the package archive. Other Ubuntu derivatives over the past year have also moved to drop their 32-bit installer images and with Lubuntu/Xubuntu now ending their ISOs for that port, it's hitting the end of the road. Now for Ubuntu 20.04 LTS, there might not even be the i386 port...

Security: new systemd vulnerability, antivirus and more

tuxmachines.org - Pon, 02/18/2019 - 21:13

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Outreachy Summer 2019 Applications Open With Expanded Eligibility

Phoronix - Pon, 02/18/2019 - 21:06
Outreachy, the program formerly known as the Outreach Program for Women and intended to get more females and other under-represented groups in technology engaged with Linux/open-source projects, has opened up their application process for those seeking a summer internship while receiving a $5,500 USD stipend...

Debian 9.8 released

LWN.net - Pon, 02/18/2019 - 20:10
The Debian project has announced the eighth update of Debian 9 "stretch". As a stable point release, this version mainly adds bugfixes for security issues and other serious problems. Click below for a list of changes.

Mesa 18.3.4 Brings VA-API VP9 Improvements, More Coffeelake/Icelake IDs For Intel

Phoronix - Pon, 02/18/2019 - 19:53
For those sticking to the Mesa 18.3 series until the Mesa 19.0 release is officially out and sufficiently matured, Mesa 18.3.4 is now available as the latest point release for these open-source 3D drivers...

[$] The case of the supersized shebang

LWN.net - Pon, 02/18/2019 - 19:37
Regressions are an unavoidable side effect of software development; the kernel is no different in that regard. The 5.0 kernel introduced a change in the handling of the "#!" (or "shebang") lines used to indicate which interpreter should handle an executable text file. The problem has been duly fixed, but the incident shows how easy it can be to introduce unexpected problems and highlights some areas where the kernel's development process does not work as well as we might like.

Arne Exton's Six-in-One MultiBootCD Updated with Latest GNU/Linux Releases

tuxmachines.org - Pon, 02/18/2019 - 18:50

EXTON Linux MultiBootCD 6-OS is a live, bootable ISO image that consists of six popular and minimalist GNU/Linux distributions, including Gparted Live, 4MLinux, Tiny Core Linux, Porteus Linux, PuppEX Slack64, and SliTaz Linux. The latest version, build 190215, is here to update several of these bundled OSes.

As such, EXTON Linux MultiBootCD 6-OS Build 190215 ships with 4MLinux 28.0, Porteus 4.0, Tiny Core Linux 10.0, SliTaz 5.0, and PuppEX Slack64 160822, a GNU/Linux distribution based on the popular Puppy Linux operating system. Also included is the older GParted Live 0.26.1-5 distribution.

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LibreOffice-Based Collabora Online 4.0 Adds New Look, Numerous Improvements

tuxmachines.org - Pon, 02/18/2019 - 18:47

Collabora Online 4.0 comes almost a year after the previous release with a new look that refreshes the toolbar icons, colors, and layout, adds a new icon to let users hide the menu bar, as well as various other smaller tweaks to simplify the user interface while giving users a more enjoyable and productive LibreOffice Online experience.

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Google partially backtracks on Chrome changes that would break ad blockers

Arstechnica - Pon, 02/18/2019 - 18:35

Google has said that it will revise the proposed changes to Chrome's extension API that would have broken or reduced the functionality of a wide range of ad-blocking extensions, to ensure that the current variety of content-blocking extensions is preserved. The initial plans generated a wide backlash from both the developers and users of those extensions, but Google maintains that "It is not, nor has it ever been, our goal to prevent or break content blocking" [emphasis Google's] and says that it will work to update its proposal to address the capability gaps and pain points.

The advertising company is planning an overhaul of its extension interface to, among other things, increase user privacy, make it harder for extensions to perform malicious actions, and make the browser's performance more consistent. Together, this work is documented as Manifest V3.

One of these changes in particular had grave consequences for ad blockers. Currently, ad blockers make extensive use of an API named webRequest. This API allows extensions to examine every single network request made by a page and either modify it (to, for example, redirect it to a different address or add or remove cookies), block it altogether, or allow it to continue unhindered. This has both a substantial privacy impact (an extension can see and steal your cookies and hence masquerade as you) and, Google said, some performance impact, as every single network request (of which there may be dozens in a single page) has to wait for the extension to perform its analysis.

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Fedora 30 Will Have Firefox Wayland By Default But Could Be Reverted If Too Buggy

Phoronix - Pon, 02/18/2019 - 18:30
The plan to use the Wayland-native version of Firefox by default for Fedora Workstation 30 atop GNOME has been tentatively approved by the Fedora Engineering and Steering Committee (FESCo)...

Programming with Python

tuxmachines.org - Pon, 02/18/2019 - 18:03
  • Made With Mu: A Steady Hand and Heart

    I first met Les at PyCon UK back in 2013. I was coordinating the education track where we had around 40 teachers and 100 kids turn up over two days. This was an impossible endeavour for a single person to take on. Happily, the founding principle of the education track was to bring together, without prejudice, a collaborative and open community of people involved or interested in Python in education. Les was one of several folks who selflessly contributed for the benefit of the whole community: be it moving furniture to turn meeting rooms into classrooms, setting up and configuring equipment, helping out as a teaching assistant or participating in conversations and debates around Python in education, Les was making positive contributions. He was a role model who showed he was open, welcoming and helpful to anyone who turned up.

  • Podcast.__init__: Unpacking The Python Toolkit For Chaos Engineering

    Chaos engineering is the practice of injecting failures into your production systems in a controlled manner to identify weaknesses in your applications. In order to build, run, and report on chaos experiments Sylvain Hellegouarch created the Chaos Toolkit. In this episode he explains his motivation for creating the toolkit, how to use it for improving the resiliency of your systems, and his plans for the future. He also discusses best practices for building, running, and learning from your own experiments.

  • Answering Python questions from readers

    Every so often, I’ve asked readers of my free, weekly “Better developers” newsletter to send me their Python problems. And every so often, I get a chance to answer their questions, going through their Python problems and trying to solve them.

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Chamferwm: A Vulkan-Powered X11 Window Manager

tuxmachines.org - Pon, 02/18/2019 - 17:58

While we have talked about the possibilities of writing a Vulkan Wayland compositor and there was even a short-lived Vulkan renderer for KDE's KWin, it's also possible to write a X11 window manager around the Vulkan interfaces.

Chamferwm is a new tiling X11 window manager that features a Vulkan compositor. Chamferwm doesn't support Wayland at this point but is written using Vulkan and XCB for the X11 bits. This tiling window manager already supports a lot of standard window management functionality, all rendering is done with Vulkan and there is support for user-supplied shaders for decorations/borders, and support as well for using an external compositor.

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Security updates for Monday

LWN.net - Pon, 02/18/2019 - 17:19
Security updates have been issued by Arch Linux (cairo, firefox, flatpak, hiawatha, and webkit2gtk), Debian (gsoap, mosquitto, php5, thunderbird, and tiff), Fedora (elfutils, ghostscript, gsi-openssh, kernel, kernel-headers, kernel-tools, kf5-kauth, mingw-podofo, mingw-poppler, mosquitto, podofo, and python-markdown2), Mageia (firefox, flash-player-plugin, lxc, and thunderbird), openSUSE (avahi, docker, libu2f-host, LibVNCServer, nginx, phpMyAdmin, and pspp, spread-sheet-widget), Red Hat (rhvm-appliance), and SUSE (python-numpy).

Linux 5.0 I/O Scheduler Benchmarks On Laptop & Desktop Hardware

tuxmachines.org - Pon, 02/18/2019 - 17:18

Our past tests have shown that while most Linux distributions default to "none" for their I/O scheduler on NVMe solid-state storage, that isn't necessarily the best scheduler decision in all cases. Here are tests using the Linux 5.0 Git kernel using laptop and desktop hardware while evaluating no I/O scheduler, mq-deadline, Kyber, and BFQ scheduler options.

Out today is the latest installment of our routine I/O scheduler kernel benchmarks. For this round of testing using a Linux 5.0 Git kernel atop Ubuntu 18.04 LTS, tests were done on an AMD Ryzen 5 2400G desktop and Intel Core i7 8550U laptop. The Ryzen 5 2400G had a Corsair Force MP500 120GB NVMe SSD. The laptop was a Dell XPS 9370 with Samsung PM961 solid-state drive. EXT4 was the file-system in use on both systems and with the default mount options.

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Top 20 Parrot OS Tools

tuxmachines.org - Pon, 02/18/2019 - 17:16

Parrot Security OS is an Open source lightweight distro based on Debian Testing and also it doesn’t have mere Pentesting tools but it contains everything that Security researchers, security developers or privacy aware people might need. Unlike Kali Linux, it also has anonymity, cryptography and development tools with a loot of cool features. Here we’ll review some famous tools of Parrot Security OS which make it a preferable distribution among others.

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