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Updated: 1 hour 29 min ago

Systemd Services: Reacting to Change

Wednesday 13th of June 2018 09:43:40 AM
In prior installments, we saw that systemd services can be started or stopped by hand or when certain conditions are met. Those conditions are not limited to when the OS reaches a certain state in the boot up or powerdown sequence but can also be when you plug in new hardware or when things change in the filesystem. You do that by combining a Udev rule with a systemd service.

Embedded Linux Conference Europe wants your presentations (and money)

Wednesday 13th of June 2018 08:29:20 AM
The Linux Foundation opened a call for papers for the Embedded Linux Conference Europe to be held Oct. 22-24, in Edinburgh, and released the speaker list for the Aug. 29-31 Open Source Summit North America in Vancouver. The Linux Foundation is asking for presentation pitches for this fall’s Embedded Linux Conference Europe (ELCE) .........

Acer Chromebook 13 and Chromebook Spin 13 Will Support Linux Apps on Day One

Wednesday 13th of June 2018 07:15:00 AM
Acer's recently announced Chromebook 13 and Chromebook Spin 13 appear to be the first Chromebooks to ship with support for Linux apps out-of-the-box at launch.

How to Install Java 10 on Debian 9

Wednesday 13th of June 2018 06:00:40 AM
Java is a general-purpose programming language developed by Sun Microsystems before being bought by Oracle, who maintain and develop Java to this day.

Automation controller upgraded with new Raspberry Pi 3 Model B+

Wednesday 13th of June 2018 04:46:19 AM
Techbase has upgraded its Linux-powered ModBerry M500 controller with the RPi 3 Model B+ SBC, advancing to a 1.4GHz SoC, GbE, and dual-band WiFi-ac. The launch follows several new NanoPi and Orange Pi based ModBerry M300 models. Techbase announced the availability of a new version of its ModBerry M500 industrial control computer (also called the […]

Linux ping Command Tutorial for Beginners (8 Examples)

Wednesday 13th of June 2018 03:31:59 AM
Regardless of the type of Linux user you are (beginner or pro), there are certain tools that you must be aware of. One such utility is Ping. In this tutorial, we will discuss the basics of this tool using some easy to understand examples.

How to Install SilverStripe CMS on Ubuntu 18.04 LTS

Wednesday 13th of June 2018 02:17:39 AM
SilverStripe is a free, open source, secure and flexible CMS written in PHP language that can help you to create and manage the content of your websites and web applications. In this tutorial, we will learn how to install SilverStripe CMS on Ubuntu 18.04 (Bionic Beaver).

Intel has confirmed their plans for a discrete GPU to release in 2020

Wednesday 13th of June 2018 01:03:18 AM
Intel has now officially confirmed that they will release a discrete GPU that will be available in 2020.

Devuan ships second stable cut of its systemd-free Linux

Tuesday 12th of June 2018 11:48:58 PM
Open source luminary and former Debian leader Bruce Perens gives it a big thumbs upSystemd-free Linux distro Devuan has released its stable Version 2.0.…

7 open source tools to make literature reviews easy

Tuesday 12th of June 2018 10:34:38 PM
A good literature review is critical for academic research in any field, whether it is for a research article, a critical review for coursework, or a dissertation. In a recent article, I presented detailed steps for doing a literature review using open source software.The following is a brief summary of seven free and open source software tools described in that article that will make your next literature review much easier.read more

KDE Plasma 5.13 Officially Released with Revamped Lock & Login Screens, System Settings

Tuesday 12th of June 2018 09:20:18 PM
The KDE Plasma 5.13 desktop environment has been officially released today for Linux-based operating systems, bringing lots of new features and improvements over previous releases.

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today's howtos

KDE: Qt, Plasma, QML, Usability & Productivity

  • Qt 5.11.1 and Plasma 5.13.1 in ktown ‘testing’ repository
    A couple of days ago I recompiled ‘poppler’ and the packages in ‘ktown’ that depend on it, and uploaded them into the repository as promised in my previous post. I did that because Slackware-current updated its own poppler package and mine needs to be kept in sync to prevent breakage in other parts of your Slackware computer. I hear you wonder, what is the difference between the Slackware poppler package and this ‘ktown’ package? Simple: my ‘poppler’ package contains support for Qt5 (in addition to the QT4 support in the original package) and that is required by other packages in the ‘ktown’ repository.
  • Sixth week of coding phase, GSoC'18
    The Menus API enables the QML Plugin to add an action, separator or menu to the WebView context menu. This API is not similar to the WebExtensions Menus API but is rather Falkonish!
  • This week in Usability & Productivity, part 24
    See all the names of people who worked hard to make the computing world a better place? That could be you next week! Getting involved isn’t all that tough, and there’s lots of support available.

Programming: Python Maths Tools and Java SE

  • Essential Free Python Maths Tools
    Python is a very popular general purpose programming language — with good reason. It’s object oriented, semantically structured, extremely versatile, and well supported. Scientists favour Python because it’s easy to use and learn, offers a good set of built-in features, and is highly extensible. Python’s readability makes it an excellent first programming language. The Python Standard Library (PSL) is the the standard library that’s distributed with Python. The library comes with, among other things, modules that carry out many mathematical operations. The math module is one of the core modules in PSL which performs mathematical operations. The module gives access to the underlying C library functions for floating point math.
  • Oracle's new Java SE subs: Code and support for $25/processor/month
    Oracle’s put a price on Java SE and support: $25 per processor per month, and $2.50 per user per month on the desktop, or less if you buy lots for a long time. Big Red’s called this a Java SE Subscription and pitched it as “a commonly used model, popular with Linux distributions”. The company also reckons the new deal is better than a perpetual licence, because they involve “an up-front cost plus additional annual support and maintenance fees.”

Linux 4.18 RC2 Released From China

  • Linux 4.18-rc2
    Another week, another -rc. I'm still traveling - now in China - but at least I'm doing this rc Sunday _evening_ local time rather than _morning_. And next rc I'll be back home and over rmy jetlag (knock wood) so everything should be back to the traditional schedule. Anyway, it's early in the rc series yet, but things look fairly normal. About a third of the patch is drivers (drm and s390 stand out, but here's networking and block updates too, and misc noise all over). We also had some of the core dma files move from drivers/base/dma-* (and lib/dma-*) to kernel/dma/*. We sometimes do code movement (and other "renaming" things) after the merge window simply because it tends to be less disruptive that way. Another 20% is under "tools" - mainly due to some selftest updates for rseq, but there's some turbostat and perf tooling work too. We also had some noticeable filesystem updates, particularly to cifs. I'm going to point those out, because some of them probably shouldn't have been in rc2. They were "fixes" not in the "regressions" sense, but in the "missing features" sense. So please, people, the "fixes" during the rc series really should be things that are _regressions_. If it used to work, and it no longer does, then fixing that is a good and proper fix. Or if something oopses or has a security implication, then the fix for that is a real fix. But if it's something that has never worked, even if it "fixes" some behavior, then it's new development, and that should come in during the merge window. Just because you think it's a "fix" doesn't mean that it really is one, at least in the "during the rc series" sense. Anyway, with that small rant out of the way, the rest is mostly arch updates (x86, powerpc, arm64, mips), and core networking. Go forth and test. Things look fairly sane, it's not really all that scary. Shortlog appended for people who want to scan through what changed. Linus
  • Linux 4.18-rc2 Released With A Normal Week's Worth Of Changes
    Due to traveling in China, Linus Torvalds has released the Linux 4.18-rc2 kernel a half-day ahead of schedule, but overall things are looking good for Linux 4.18.