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Leftovers: KDE

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  • Some new Breeze app icons in Frameworks 5.22

    Some icons I made, you can find them in KDE Frameworks 5.22

    The QOwnNotes icon became the official one. Give to this app a try, it’s super.

  • The initiation

    What will I be doing you ask? Well, as some people know Krita on Mac OS X is not quite there yet. Some of the new cool functionality added to Krita 3.0 is forcefully omitted from the OS X release. Deep down in the depths of Krita painting we paint decorations using Qt's kindly provided QPainter class. This class allows us to make pretty lines and shapes very easily, and is perfectly suited to drawing all of the overlay functionality (such as grids, cursors, guides, etc.). What could possibly go wrong there? Well, even though we are grateful to have such easy rendering functionality, the backend of those functions haven't exactly kept up with the times.

  • QtCon Call for Papers Extended!

    What have you been working on lately that you’d like to share at a QtCon talk? The Qt Community of developers wants to hear from you! Submit your proposal by Friday and get a chance to contribute to this one-off, unique Event in Berlin.

  • Care to help test Plasma 5.6.4?
  • Compiling all of Qt5, KF5, Plasma5, kdepim5, apps...

    I see a very high value in compiling my own Qt, and on top of it all the KDE-made software that I use. This makes it very easy to fix bugs and add improvements to the software I use on a day to day basis. Nowadays I think many developers use distro packages for Qt or KF5 or even the whole environment except for the one app they're working on, but in my opinion this leads to "silo" thinking, with workarounds in upper layers rather than fixing issues at the right place.

    So, here's a working and easy recipe for compiling all the Qt-based software you use.

KDE Frameworks 5.22.0 Released for KDE Plasma 5.6.4 and KDE Applications 16.04.1

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Today, May 15, 2016, KDE has had the pleasure of announcing the release and general availability of this month's KDE Frameworks 5 maintenance release, version 5.22.0, for the latest KDE Plasma 5 desktop and KDE Applications.

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Leftovers: KDE

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Plasma 5.6 Makes KDE Plasma Desktop Environment More Powerful, Beautiful And Useful

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Plasma has always been the talk of the town for its sleek and cutting edge look. KDE Plasma among all other Linux Desktop Environments have always stood out for its continuous development. The latest release of KDE Plasma is 5.6 which includes some new features, tweaks and fixes. Plasma desktop is also highly customizable so that you can customize it the way you need it to be.

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Leftovers: KDE

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Improved input device support in KWin/Wayland

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One of the areas I’m currently working on is improving our support for input devices in KWin. While general usage is already quite good in Plasma 5.6, we are not yet able to configure the input devices. This is something I’m working on to improve for Plasma 5.7.

Input devices are provided by libinput and KWin integrates with that for quite some time. What it didn’t do yet is to configure them and keep track of them.

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Qt Creator 4.0.0 released

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We are happy to announce the release of Qt Creator 4.0.0. Starting with this release, we are making the Clang static analyzer integration, extended QML profiler features and auto test integration (experimental) available under open source. The previously commercial-only connection editor and path editor of Qt Quick Designer were already open sourced with Qt Creator 3.6.0. Qt Creator is now available under commercial license and GPLv3 (with exceptions). The exceptions ensure that there are no license restrictions on generated code, and that bridging to 3rd party code is still possible. You can read more about this change in the blog post announcing it.

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KDE Plasma 5.6.4 Desktop Environment Launches with Plasma Discover Improvements

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After announcing the availability of the KDE Applications 16.04.1 software suite, KDE today, May 10, 2016, also started seeding the fourth point release of the KDE Plasma 5.6 desktop environment to stable users.

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KDE Applications 16.04 Gets Its First Point Release, Includes Over 25 Bug Fixes

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Today, May 10, 2016, KDE has announced the general availability of the first point release in the latest stable and most advanced KDE Applications 16.04 series of the software suite used for the KDE Plasma 5 desktop environment.

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Leftovers: Software and KDE

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  • Vivaldi Browser Is a Breath of Fresh Air

    The Vivaldi browser provides a refreshing approach to traveling along the Internet. It offers something beyond the same old thing in a different skin.

    Vivaldi is the brainchild of former Opera CEO Jon von Tetzchner. The developers built the Vivaldi browser on top of Chromium, which is open source, but added their own proprietary skins.

  • Krita “Next” – Development releases for Fedora 23, 24, rawhide, and Epel 7 ( Centos 7 and RHEL 7 )

    After Krita moved to Qt5 and KDE Frameworks, it moved from the Calligra repository to their own repository.

  • One year ago…

    A paper that might be more interesting for you is the one about “KDE as an example of a Free Software community” from a social-educational perspective. In the appendix you find 9 longish IRC interviews with different people from the KDE community. There you might find some interesting insights and different perspectives.

  • Starting from the shore of cosmic ocean

    Right now I struggle to make Options class available for use from QML because for some reason I get an error while compiling config files with support for QML so I wrote an e-mail to one of the developers of KConfig compiler asking how can I solve this problem.

  • Reordering a Qt Quick ListView via drag'n'drop - part 3
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More in Tux Machines

Linux 4.8.4

I'm announcing the release of the 4.8.4 kernel. And yeah, sorry about the quicker releases, I'll be away tomorrow and as they seem to have passed all of the normal testing, I figured it would be better to get them out earlier instead of later. And I like releasing stuff on this date every year... All users of the 4.8 kernel series must upgrade. The updated 4.8.y git tree can be found at: git:// linux-4.8.y and can be browsed at the normal git web browser: Read more Also: Linux 4.7.10 Linux 4.4.27

New Releases: Budgie, Solus, SalentOS, and Slackel

  • Open-Source Budgie Desktop Sees New Release
    The pet parakeet of the Linux world, Budgie has a new release available for download. in this post we lookout what's new and tell you how you can get it.
  • Solus Linux Making Performance Gains With Its BLAS Configuration
    - Those making use of the promising Solus Linux distribution will soon find their BLAS-based workloads are faster. Solus developer Peter O'Connor tweeted this week that he's found some issues with the BLAS linking on the distribution and he's made fixes for Solus. He also mentioned that he uncovered these BLAS issues by using our Phoronix Test Suite benchmarking software.
  • SalentOS “Luppìu” 1.0 released!
    With great pleasure the team announces the release of SalentOS “Luppìu” 1.0.
  • Slackel "Live kde" 4.14.21
    This release is available in both 32-bit and 64-bit architectures, while the 64-bit iso supports booting on UEFI systems. The 64-bit iso images support booting on UEFI systems. The 32-bit iso images support both i686 PAE SMP and i486, non-PAE capable systems. Iso images are isohybrid.

Security News

  • Free tool protects PCs from master boot record attacks [Ed: UEFI has repeatedly been found to be both a detriment to security and enabler of Microsoft lock-in]
    Cisco's Talos team has developed an open-source tool that can protect the master boot record of Windows computers from modification by ransomware and other malicious attacks. The tool, called MBRFilter, functions as a signed system driver and puts the disk's sector 0 into a read-only state. It is available for both 32-bit and 64-bit Windows versions and its source code has been published on GitHub. The master boot record (MBR) consists of executable code that's stored in the first sector (sector 0) of a hard disk drive and launches the operating system's boot loader. The MBR also contains information about the disk's partitions and their file systems. Since the MBR code is executed before the OS itself, it can be abused by malware programs to increase their persistence and gain a head start before antivirus programs. Malware programs that infect the MBR to hide from antivirus programs have historically been known as bootkits -- boot-level rootkits. Microsoft attempted to solve the bootkit problem by implementing cryptographic verification of the bootloader in Windows 8 and later. This feature is known as Secure Boot and is based on the Unified Extensible Firmware Interface (UEFI) -- the modern BIOS.
  • DDOS Attack On Internet Infrastructure
    I hope somebody's paying attention. There's been another big DDOS attack, this time against the infrastructure of the Internet. It began at 7:10 a.m. EDT today against Dyn, a major DNS host, and was brought under control at 9:36 a.m. According to Gizmodo, which was the first to report the story, at least 40 sites were made unreachable to users on the US East Coast. Many of the sites affected are among the most trafficed on the web, and included CNN, Twitter, PayPal, Pinterest and Reddit to name a few. The developer community was also touched, as GitHub was also made unreachable. This event comes on the heels of a record breaking 620 Gbps DDOS attack about a month ago that brought down security expert Brian Krebs' website, KrebsonSecurity. In that attack, Krebs determined the attack had been launched by botnets that primarily utilized compromised IoT devices, and was seen by some as ushering in a new era of Internet security woes.
  • This Is Why Half the Internet Shut Down Today [Update: It’s Getting Worse]
    Twitter, Spotify and Reddit, and a huge swath of other websites were down or screwed up this morning. This was happening as hackers unleashed a large distributed denial of service (DDoS) attack on the servers of Dyn, a major DNS host. It’s probably safe to assume that the two situations are related.
  • Major DNS provider Dyn hit with DDoS attack
    Attacks against DNS provider Dyn continued into Friday afternoon. Shortly before noon, the company said it began "monitoring and mitigating a DDoS attack" against its Dyn Managed DNS infrastructure. The attack may also have impacted Managed DNS advanced service "with possible delays in monitoring."
  • What We Know About Friday’s Massive East Coast Internet Outage
    Friday morning is prime time for some casual news reading, tweeting, and general Internet browsing, but you may have had some trouble accessing your usual sites and services this morning and throughout the day, from Spotify and Reddit to the New York Times and even good ol’ For that, you can thank a distributed denial of service attack (DDoS) that took down a big chunk of the Internet for most of the Eastern seaboard. This morning’s attack started around 7 am ET and was aimed at Dyn, an Internet infrastructure company headquartered in New Hampshire. That first bout was resolved after about two hours; a second attack began just before noon. Dyn reported a third wave of attacks a little after 4 pm ET. In all cases, traffic to Dyn’s Internet directory servers throughout the US—primarily on the East Coast but later on the opposite end of the country as well—was stopped by a flood of malicious requests from tens of millions of IP addresses disrupting the system. Late in the day, Dyn described the events as a “very sophisticated and complex attack.” Still ongoing, the situation is a definite reminder of the fragility of the web, and the power of the forces that aim to disrupt it.
  • Either IoT will be secure or the internet will be crippled forever
    First things first a disclaimer. I neither like nor trust the National Security Agency (NSA). I believe them to be mainly engaged in economic spying for the corporate American empire. Glenn Greenwald has clearly proven that in his book No Place to Hide. At the NSA, profit and power come first and I have no fucking clue as to how high they prioritize national security. Having said that, the NSA should hack the Internet of (insecure) Things (IoT) to death. I know Homeland Security and the FBI are investigating where the DDoS of doomsday proportions is coming from and the commentariat is already screaming RUSSIA! But it is really no secret what is enabling this clusterfuck. It’s the Mirai botnet. If you buy a “smart camera” from the Chinese company Hangzhou XiongMai Technologies and do not change the default password, it will be part of a botnet five minutes after you connect it to the internet. We were promised a future where we would have flying cars but we’re living in a future where camera’s, light-bulbs, doorbells and fridges can get you in serious trouble because your home appliances are breaking the law.
  • IoT at the Network Edge
    Fog computing, also known as fog networking, is a decentralized computing infrastructure. Computing resources and application services are distributed in logical, efficient places at any points along the connection from the data source (endpoint) to the cloud. The concept is to process data locally and then use the network for communicating with other resources for further processing and analysis. Data could be sent to a data center or a cloud service. A worthwhile reference published by Cisco is the white paper, "Fog Computing and the Internet of Things: Extend the Cloud to Where the Things Are."
  • Canonical now offers live kernel patching for Ubuntu 16.04 LTS users
    Canonical has announced its ‘Livepatch Service’ which any user can enable on their current installations to eliminate the need for rebooting their machine after installing an update for the Linux kernel. With the release of Linux 4.0, users have been able to update their kernel packages without rebooting, however, Ubuntu will be the first distribution to offer this feature for free.
  • ​The Dirty Cow Linux bug: A silly name for a serious problem
    Dirty Cow is a silly name, but it's a serious Linux kernel problem. According to the Red Hat bug report, "a race condition was found in the way the Linux kernel's memory subsystem handled the copy-on-write (COW) breakage of private read-only memory mappings. An unprivileged local user could use this flaw to gain write access to otherwise read-only memory mappings and thus increase their privileges on the system."
  • Ancient Privilege Escalation Bug Haunts Linux
  • October 21, 2016 Is Dirty COW a serious concern for Linux?
  • There is a Dirty Cow in Linux
  • Red Hat Discovers Dirty COW Archaic Linux Kernel Flaw Exploited In The Wild
  • Linux kernel bug being exploited in the wild
  • Update Linux now: Critical privilege escalation security flaw gives hackers full root access
  • Linux kernel bug: DirtyCOW “easyroot” hole and what you need to know
  • 'Most serious' Linux privilege-escalation bug ever discovered
  • New 'Dirty Cow' vulnerability threatens Linux systems
  • Serious Dirty Cow Linux Vulnerability Under Attack
  • Easy-to-exploit rooting flaw puts Linux PCs at risk
  • Linux just patched a vulnerability it's had for 9 years
  • Dirty COW Linux vulnerability has existed for nine years
  • 'Dirty Cow' Linux Vulnerability Found
  • 'Dirty Cow' Linux Vulnerability Found After Nine Years
  • FakeFile Trojan Opens Backdoors on Linux Computers, Except openSUSE
    Malware authors are taking aim at Linux computers, more precisely desktops and not servers, with a new trojan named FakeFile, currently distributed in live attacks. Russian antivirus vendor Dr.Web discovered this new trojan in October. The company's malware analysts say the trojan is spread in the form of an archived PDF, Microsoft Office, or OpenOffice file.

today's howtos