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KDE

KDE Arrives in A Coruña for Akademy

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KDE

KDE is de-camping to the far west of Europe today to A Coruña in Galicia. In this north west corner of the Iberian Peninsula the sun is warm and the air is fresh. KDE contributors of all varieties will be spending a week in talks, discussions, hacking, renewing old friendships and getting to know people new to our KDE Community.

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Passwords and Settings for Ark

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KDE

I’m glad to announce that a couple of new, long-awaited (5 and 7 years respectively!) features are going to land in Ark. Starting from the 15.08 release (which will be KF5-based), Ark will be able to:

Create password-protected archives from scratch
Show a standard Settings dialog

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What do you think of Mageia 5 KDE?

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KDE
MDV

The last time I ran Mageia was in 2013. I wrote two articles about Mageia 3 and its predecessor Mageia 2 in these very pages. I had written several articles about Mandriva for years before eventually moving on to openSUSE, Fedora and Debian so I'm not unfamiliar with Mageia's roots.

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KDAB contributions to Qt 5.5

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KDE

The release process of Qt 5.5 has been focused on stabilizing and improving performances. Once more KDAB is proud to be a part of the release, with its engineers constantly providing contributions and patches, as demonstrated by the commit graph of the last 16 weeks.

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Setting Up Shop With KDE’s Plasma

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KDE

We’ve all seen those “screenshot tours” of FOSS desktops, but how about a real, guided tour of the Plasma (KDE) desktop? There are still a great many people who simply are not familiar with Plasma’s features. A large number of people never had any computer training, and when they find themselves in such an advanced environment, they feel completely lost. Many people can barely find their way around a single desktop; the concept of multiple virtual desktops is completely lost on them — never mind Plasma’s activities. So let’s take a little time and make some very basic changes to our desktop theme, and then organize our work. After all, that’s what activities are all about.

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Also: VDG + Akademy = Mmmm

Leftovers: KDE/Qt/Plasma

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KDE
  • New artwork coming in 5.4 & the tale of a troublesome wallpaper

    The new wallpaper and icons will be available in 5.4. I’d also like to thank the VDG, everyone is doing great stuff. Additionally, if you are attending Akademy I recommend to the utmost that you attend the various VDG events; we’re interested in roping developers to help out, and any coders will be appreciated. Great UI/UX is more than pretty pictures, and we’d love for developers to contribute so we make the entire package together!

  • KDE Plasma 5.4 Getting New Wallpaper, Some New Icons
  • Playback and export

    In order to deliver smooth playback, we cannot simply render the frames on the fly - that would be far too slow, especially once the number of layers starts to build up. Instead, we prerender the animation frames into a cache before playback.

  • GSoC ’15 Post #4: Porting to KF5

    The biggest issue here is porting – the KDE Network Filesharing repository is currently not on KF5, which would make it impossible to work with PackageKit-Qt5, which is currently being used all across. So, a newbie porter, I’ve been working with Jonathan to port things properly and fix as many bugs as I encounter while doing so.

Leftovers: KDE/Qt

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KDE

Fiber: Yet Another Web Browser For Qt/KDE

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KDE
Web

Ken was even experimenting with ways for Fiber to potentially remove the address bar from his browser, but those experiments haven't panned out and instead will be complemented by many browser extensions. The design of Fiber are many extensions: everything down to basic navigational elements and bookmark handling will be through extensions.

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Leftovers: KDE/Qt

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KDE
  • How to make your Qt application icon appear on Wayland task managers
  • QtAccountsService 0.6.0

    QtAccountsService is a Qt-style API for the AccountsService D-Bus service available for both C++ and QML.

  • LaKademy 2015 – my own Cantor sprint and other tasks

    My main work at LaKademy 2015 was to finish the port of Cantor to Qt5/KF5. I started this work in previous LaKademy, and now it was the time to end it. During the event I was engaged to drop KDELibs4Support from that software. I opened 5 review requests during the sprint, one for each library dropped. Now I am just finishing the plugin loading mechanism and the work will be completed.

  • "... if nothing changes"

    I try to keep memory of how various aspects of development were for me in past years. I do this by keeping specific projects I've been involved with fresh in my memory, revisiting them every so often and reflecting on how my methods and experiences have changed in the time since. This allows me to wander backwards 5, 10, 15, 20 years in the past and reflect.

    Today I was presenting the "final" code-level design for a project I've been tasked with: an IMAP payload filter for use with Kolab. The best way I can think to describe it is as a protocol-level firewall (of sorts) for IMAP. The first concrete use case we have for it is to allow non-Kolab-aware clients (e.g. Thunderbird) to connect to a Kolab server and see only the mail folders, implying that the groupware folders are filtered out of the IMAP session. There are a large number of other use case ideas floating about, however, and we wanted to make sure that we could accommodate those in future by extending the codebase. While drawing out on the whiteboard how I planned for this to come together, along with a break-out of the work into two-week sprints, I commented in passing that it was actually a nicely simple program.

  • 3 weeks till Plasma 5.4 Freeze

    If you have any new modules that need merging, new features, text changes or new artwork we need everything merged before the 6th of August.

GNOME vs KDE: Usability vs. Options

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KDE
GNOME

After a week of using GNOME, Eric Griffith concluded that GNOME was more usable than KDE, arranging features more intelligently and conveniently. Even a quick glance shows that he is right. In fact, considering the number of years that GNOME has focused on usability, the only surprising outcome would be if he were wrong.

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More in Tux Machines

KDE on Android: CI, CD & SDK

I guess we all agree that one of the biggest stoppers to get a contribution out is the ability to get the system ready to start working on the contribution. Today I want to talk a bit about generating Android binaries from our machine. In the KDE Edu sprint we had the blatant realisation that it’s very frustrating to keep pushing the project while not being swift at delivering fresh packages of our applications in different systems. We looked into windows, flatpak, snap and, personally, I looked into Android once again. Nowadays, KDE developers develop the applications on their systems and then create the binaries on their systems as well. Usually it’s a team effort where possibly just one person in the team will be familiar with Android and have the development combo in place: Android SDK, Android NDK, Qt binaries and often several KDE Frameworks precompiled. Not fun and a fairly complex premise. Read more Also:

today's howtos

Linux Kernel and Security: LVM2, Containers, AMD

  • LVM2 Begins Work On Major Changes To Logical Volume Management
    LVM2 as the user-space tools for Logical Volume Management (LVM) on Linux is in the process of going through a big re-work.
  • Containers and Cloud Security
    The idea behind this blog post is to take a new look at how cloud security is measured and what its impact is on the various actors in the cloud ecosystem. From the measurement point of view, we look at the vertical stack: all code that is traversed to provide a service all the way from input web request to database update to output response potentially contains bugs; the bug density is variable for the different components but the more code you traverse the higher your chance of exposure to exploitable vulnerabilities. We’ll call this the Vertical Attack Profile (VAP) of the stack. However, even this axis is too narrow because the primary actors are the cloud tenant and the cloud service provider (CSP). In an IaaS cloud, part of the vertical profile belongs to the tenant (The guest kernel, guest OS and application) and part (the hypervisor and host OS) belong to the CSP. However, the CSP vertical has the additional problem that any exploit in this piece of the stack can be used to jump into either the host itself or any of the other tenant virtual machines running on the host. We’ll call this exploit causing a failure of containment the Horizontal Attack Profile (HAP). We should also note that any Horizontal Security failure is a potentially business destroying event for the CSP, so they care deeply about preventing them. Conversely any exploit occurring in the VAP owned by the Tenant can be seen by the CSP as a tenant only problem and one which the Tenant is responsible for locating and fixing. We correlate size of profile with attack risk, so the large the profile the greater the probability of being exploited.
  • Canonical Releases AMD Microcode Updates for All Ubuntu Users to Fix Spectre V2
    Canonical released a microcode update for all Ubuntu users with AMD processors to address the well-known Spectre security vulnerability. The Spectre microprocessor side-channel vulnerabilities were publicly disclosed earlier this year and discovered to affect billions of devices made in the past two decades. Unearthed by Jann Horn of Google Project Zero, the second variant (CVE-2017-5715) of the Spectre vulnerability is described as a branch target injection attack.

Programming: 5 Pillars of Learning Programming, New Releases of Rust and Git

  • 5 Pillars of Learning Programming
    Learning how to program is hard. I often find that university courses and boot camps miss important aspects of programming and take poor approaches to teaching rookies. I want to share the 5 basic pillars I believe a successful programming course should build upon. As always, I am addressing the context of mainstream web applications. A rookie’s goal is to master the fundamentals of programming and to understand the importance of libraries and frameworks. Advanced topics such as the cloud, operations in general, or build tools should not be part of the curriculum. I am also skeptical when it comes to Design Patterns. They presume experience that beginners never have.
  • The Rust Programming Language Blog: Announcing Rust 1.27
    The Rust team is happy to announce a new version of Rust, 1.27.0. Rust is a systems programming language focused on safety, speed, and concurrency.
  • Rust 1.27 Released With SIMD Improvements
    Most notable to Rust 1.27 is SIMD support via the std::arch module to make use of SIMD (Single Instruction, Multiple Data) instructions directly. Up to now Rust could already make use of LLVM's auto-vectorization support, but this lets Rust developers write SIMD instructions on their own and to allow for the proper Rust code to be executed based upon the CPU at run-time.
  • Git 2.18 Released With Initial Version Of Its New Wire Protocol
    Version 2.18 of the Git distributed revision control system is now available. Arguably most notable about Git 2.18 is the introduction of its new wire protocol "protocol_v2" that is designed to offer much greater performance. This new protocol is designed to be much faster and is already being used at Google and elsewhere due to the significant performance benefits.
  • Git v2.18.0
    The latest feature release Git v2.18.0 is now available at the usual places. It is comprised of 903 non-merge commits since v2.17.0, contributed by 80 people, 24 of which are new faces.