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Friday, 29 Jul 16 - Tux Machines is a community-driven public service/news site which has been around for over a decade and primarily focuses on GNU/LinuxSubscribe now Syndicate content

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Quick Roundup

An Explanation of Pointers (C++)

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HowTos

Pointers are basically the same as any other variable. However, what is different about them is that instead of containing actual data, they contain a pointer to the memory location where information can be found. This is a very important concept, and many programs and ideas rely on pointers as the basis of their design, linked lists for example.

One Laptop Per Child kicks off PyCON 2007

Filed under
OLPC
Software

This year’s Python Convention [1], being held this weekend in Dallas Texas, started off with an inspiring presentation by an engineer from the One Laptop Per Child (OLPC) project [2] (Ivan Krstić) , showing off the hardware features of the new “OLPC XO 1” prototype, as well as some “dangerous ideas” about its software design: a large part of the user space code for the laptops will be i

More Krita News

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Software

Krita progress over the past few months has been slower than I’d have liked, for a couple of reasons: porting to Qt4 was quite hard. But! Banish the gloom! There are some really cool and interesting developments. Not only have we got a most impressive ToDo, sometimes items even get done! I already mentioned the flake integration. But there’s more…

Configuring Apache with YaST, openSUSE 10.2

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HowTos

I configured Apache2 on a newly installed openSUSE 10.2 using YaST, which is how SUSE wants you to do it (rather than editing the files directly).

Open Source Abuse or Misunderstanding in China?

Filed under
OSS

Just when I was beginning to feel upbeat about all the events and innovations going on in China this year, I see this thread from the CentOS List .

Ubuntu 7.04 Alpha 3/4 - Trying out the controls

Filed under
Ubuntu

I finally got some more time this evening to try out various applications with Ubuntu 7.04. But before I get started, I need to clarify a statement I made earlier. Not only are the Ubuntu developers deserving of praise, but so are the Debian developers as well.

The Switch To KDE : Day 5

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KDE

I have yet again wrapped up another day using KDE as my main desktop environment. I have to say that both camps really do have quite a lot to offer. I have come to appreciate some of the KDE apps very much–klipper is very convenient so far.

Ubuntu Wants a Bigger Piece of Desktops, Servers

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Ubuntu

The 2007 road map for the Ubuntu Linux operating system includes continuing its focus on the desktop, paying more attention to the server and garnering additional corporate support.

Hard Choices

Filed under
OSS

The divide between totally-free vs. free-when-we-can got needlessly wider this week when open source practitioner Eric Raymond issued a press release announcing his departure from Fedora to Ubuntu, citing--among other concerns--Fedora's adherence to purely free software as a reason for his departure.

sidux -- a new star in the Linux galaxy

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Linux

Two days ago the first incarnation of sidux was released, code-named "Chaos". sidux is a desktop-oriented distribution. It comes as a Live CD based on the "unstable" branch of Debian, but is easily able to install onto harddisk from the running Live CD using a completely new graphical installer frontend.

Fedora Community? Nope, 100% Red Hat

Filed under
Linux

So long for texts like "Fedora is a set of projects, sponsored by Red Hat and guided by the Fedora Project Board." The governance model is broken. The project management is broken. The whole public image of Fedora Linux is a fake.

Third KDE 4 Development Snapshot Released: "Kludge"

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KDE

The KDE project announces the availability of the third development snapshot of the upcoming KDE 4. This snapshot is meant as a reference for developers who want to play with parts of the new technology KDE 4 will provide.

Linux Software Installation, Part II: General Overview

Filed under
Linux

In my article series regarding software installation on Linux the last article outlined what my position and also point of view is. This article deals tries to give a general overview about the current techniques available on Linux. This is done mainly by linking to different articles and posts.

Who writes the Linux kernel?

Filed under
Linux

LWN.net has an interesting article [Sub req'd] detailing the contributors to the Linux 2.6.20 kernel. The author attempts to determine just who (as in individuals) and who (as in their employers) writes the Linux kernel. It's not an easy task.

Building the XO: Introducing Sugar

Filed under
OLPC
HowTos

One Laptop Per Child comes closer to being a reality every day — and every day, more people are looking for ways to get involved with the OLPC project. It will still be quite a while before the XO systems are available for broad distribution, but people can see for themselves what the XO is all about by downloading Sugar, the core of the OLPC Human Interface.

10 must have programs for a new Ubuntu user

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Software

I’ve taken the plunge from windows to Linux. And I can truthfully say, I’m not looking back. My disto of choice, Ubuntu 6.10 edgy eft. I’ve compiled a list of the top 10 must have programs. This is not a complete list by any means, but it should save you a lot of time when you make the switch.

Mozilla patches Firefox, but leaves some flaws unfixed

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Moz/FF

Mozilla Corp. updated Firefox Friday to patch 14 vulnerabilities, three of them critical, but pushed out the new versions without fixing several flaws.

Connect OpenOffice.org to MySQL

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HowTos

One of the good things about OpenOffice.org is its ability to use different database engines. Just give it the right driver, and OpenOffice.org can connect to virtually any database system, including MySQL. However, deciding what database driver to use and configuring a connection between MySQL and OpenOffice.org can be a bit tricky. Let's walk through the process.

CNR.com and World Domination

Filed under
Linux

The GNU/Linux community is facing a great opportunity that it must take advantage of, the turn of the tide of 64bit computing over an increasingly obsolete 32bit computing. The time is ticking away and if we want our operating system to dominate on the desktop we must act now, even if that means making some compromises.

SLED 10 after another update

Filed under
SUSE

In early January I reported how an update, applied to my SLED (Suse Linux Enterprise Desktop) 10 system before the Christmas break, led to the failure of the system's graphic (X11) desktop, and the failure of Gnome's window manager. Well, the same thing happened again this week, almost.

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Red Hat and Fedora

Android Leftovers

Leftovers: OSS and Sharing

  • Apache Graduates Another Big Data Project to Top Level
    For the past year, we've taken note of the many projects that the Apache Software Foundation has been elevating to Top-Level Status. The organization incubates more than 350 open source projects and initiatives, and has squarely turned its focus to Big Data and developer-focused tools in recent months. As Apache moves Big Data projects to Top-Level Status, they gain valuable community support. Only days ago, the foundation announced that Apache Kudu has graduated from the Apache Incubator to become a Top-Level Project (TLP). Kudu is an open source columnar storage engine built for the Apache Hadoop ecosystem designed to enable flexible, high-performance analytic pipelines. And now, Apache Twill has graduated as well. Twill is an abstraction over Apache Hadoop YARN that reduces the complexity of developing distributed Hadoop applications, allowing developers to focus more on their application logic.
  • Spark 2.0 takes an all-in-one approach to big data
    Apache Spark, the in-memory processing system that's fast become a centerpiece of modern big data frameworks, has officially released its long-awaited version 2.0. Aside from some major usability and performance improvements, Spark 2.0's mission is to become a total solution for streaming and real-time data. This comes as a number of other projects -- including others from the Apache Foundation -- provide their own ways to boost real-time and in-memory processing.
  • Why Uber Engineering Switched from Postgres to MySQL
    The early architecture of Uber consisted of a monolithic backend application written in Python that used Postgres for data persistence. Since that time, the architecture of Uber has changed significantly, to a model of microservices and new data platforms. Specifically, in many of the cases where we previously used Postgres, we now use Schemaless, a novel database sharding layer built on top of MySQL. In this article, we’ll explore some of the drawbacks we found with Postgres and explain the decision to build Schemaless and other backend services on top of MySQL.
  • GNU Hyperbole 6.0.1 for Emacs 24.4 to 25 is released
    GNU Hyperbole (pronounced Ga-new Hi-per-bo-lee), or just Hyperbole, is an amazing programmable hypertextual information management system implemented as a GNU Emacs package. This is the first public release in 2016. Hyperbole has been greatly expanded and modernized for use with the latest Emacs 25 releases; it supports GNU Emacs 24.4 or above. It contains an extensive set of improvements that can greatly boost your day-to-day productivity with Emacs and your ability to manage information stored across many different machines on the internet. People who get used to Hyperbole find it helps them so much that they prefer never to use Emacs without it.
  • Belgium mulls reuse of banking mobile eID app
    The Belgium government wants to reuse ‘Belgian Mobile ID’ a smartphone app for electronic identification, developed by banks and telecom providers in the country. The eID app could be used for eGovernment services, and the federal IT service agency, Fedict, is working on the app’s integration.
  • Water resilience that flows: Open source technologies keep an eye on the water flow
    Communities around the world are familiar with the devastation brought on by floods and droughts. Scientists are concerned that, in light of global climate change, these events will only become more frequent and intense. Water variability, at its worst, can threaten the lives and well-beings of countless people. Sadly, humans cannot control the weather to protect themselves. But according to Silja Hund, a researcher at the University of British Columbia, communities can build resilience to water resource stress. Hund studies the occurrence and behavior of water. In particular, she studies rivers and streams. These have features (like water volume) that can change quickly. According to Hund, it is essential for communities to understand local water systems. Knowledge of water resources is helpful in developing effective water strategies. And one of the best ways to understand dynamic water bodies like rivers is to collect lots of data.

Development News

  • JavaScript keeps its spot atop programming language rankings
    U.K.-based technology analyst firm RedMonk just released the latest version of its biannual rankings of programming languages, and once again JavaScript tops the list, followed by Java and PHP. Those are same three languages that topped RedMonk’s list in January. In fact, the entire top 10 remains the same as it was it was six months ago. Perhaps the biggest surprise in Redmonk’s list—compiling the “performance of programming languages relative to one another on GitHub and Stack Overflow”—is that there are so few surprises, at least in the top 10.
  • Plenty of fish in the C, IEEE finds in language popularity contest
    It's no surprise that C and Java share the top two spots in the IEEE Spectrum's latest Interactive Top Programming Languages survey, but R at number five? That's a surprise. This month's raking from TIOBE put Java at number one and C at number two, while the IEEE reverses those two, and the IEEE doesn't rank assembly as a top-ten language like TIOBE does. It's worth noting however that the IEEE's sources are extremely diverse: the index comprises search results from Google, Twitter, GitHub, StackOverflow, Reddit, Hacker News, CareerBuilder, Dice, and the institute's own eXplore Digital Library. Even then, there are some oddities in the 48 programming environments assessed: several commenters to the index have already remarked that “Arduino” shouldn't be considered a language, because code for the teeny breadboard is written in C or C++.