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How to protect your Debian or Ubuntu Server against the Logjam attack

This tutorial describes the steps that need to be taken to protect your Ubuntu or Debian Linux Server against the recently detected Logjam attack. Logjam is an attack against the Diffie-Hellman key exchange which is used in popular encryption protokols like HTTPS, TLS, SMTPS, SSH and others.

Qt - 20 years leading cross-platform development

Today we celebrate 20 years since the first release of Qt was uploaded to sunsite.unc.edu and announced, six days later, at comp.os.linux.announce. Over these years, Qt evolved from a two person Norwegian project to a full-fledged, social-technical world-wide organism that underpins free software projects, profitable companies, universities, government-related organizations, and more. It's been an exciting journey.

The future of open source in health IT

  • Opensource.com (Posted by bob on May 20, 2015 3:15 PM EDT)
  • Story Type: News Story
Fred Trotter is easy to recognize; he's a tall man with an equally big presence. Whether he's sporting his signature wild shock of blond hair or has shaved it bald as he does once a year or so, he can't be missed in a crowd. Any place where open source, big data, and healthcare-oriented people are gathered, you are likely to find him and his crew. read more

OpenStack community speeds ahead

OpenStack Summit is happening right now in Vancouver. Kavit Munshi, an OpenStack Ambassador based in India, is there, and if I had to guess, he's helped more than a handful of users, face to face, with their problems and questions by now. read more

Linux Kernel Plagued by an EXT4 Data Corruption Issue, Patch Available

Apparently, there's a data corruption issue in the EXT4 file system for multiple Linux kernel branches, affecting several mainstream distributions, including Arch Linux, Fedora, and Debian GNU/Linux.

The Day Linux Crashed

As a greenhorn Linux newbie eight springs ago, I happened upon an article on LXer about this guy in Texas who had an idea on how to promote Linux. Oh, it was a crazy idea all right, but thinking about it at the time, it was one that might…just…work. For the Indianapolis 500 in 2007, the idea — this crazy plan — was to put Linux on the side and nose of a car, and while penguins couldn’t fly, they still could go just over 220 and turn left.

Critical Apps Missing From Linux

Most people believe that moving from Windows to Linux isn't possible because it lacks critical software and tools they need. Perhaps in some limited instances they're right, but I believe the bigger challenge is making sure critical workflows remain intact.

Why your hardware needs an open source debugger

Working directly with hardware is hard. Each project brings with it mundane questions of which compiler to use, what communications protocols to work with, and how to load code. Developers also need to figure out how to debug the live system without affecting the program being executed. In the past this has required expensive and proprietary software, but thanks to commodity hardware and projects such as OpenOCD, developing programs that run directly on embedded hardware is easier than ever before. read more

How to add extra airplanes on FlightGear Flight Simulator

FlightGear is this world's most advanced open source flight simulation project with a thriving community of users and contributors around it. These contributors are passionate people that love aviation (some are former pilots), or airspace engineering, or just like having fun with 3D modelling. This has the gorgeous result of having over 450 aircrafts in the official online FlightGear hangar!

21 open hardware enthusiasts to follow on Twitter

  • Opensource.com (Posted by bob on May 20, 2015 8:35 AM EDT)
  • Story Type: News Story
The open hardware movement, much like the open source movement as a whole, is constantly growing and changing. To celebrate our open hardware series—and to help keep you in the loop on all things open hardware—we've rounded up 21 makers, tinkerers, and open hardware enthusiasts to follow on Twitter. Want more? Check out @opensourceway's full open hardware list. read more

How to install ISPConfig 3 on your Ubuntu VPS

  • https://vpsineu.com; By VPSinEU.com (Posted by vpsineu on May 20, 2015 6:13 AM EDT)
  • Story Type: Tutorial; Groups: Ubuntu
How to install ISPConfig 3 on your Ubuntu VPS

Ubuntu MATE Now Supports Marco, Compiz, Mutter, and Metacity

As it stands right now, Ubuntu MATE comes with support for two windows managers, Marco and Compiz. Due to popular demand, the developers are also working to bring support for Mutter, and Metacity, and a PPA is already available.

As OpenStack Matures, IBM Wants Piece Of The Action

Everyone wants a piece of the OpenStack action and IBM is no exception. This week at the OpenStack Summit it announced some new services designed to make it easier to implement the project.

DDoS reflection attacks are back - and this time, it's personal

At the start of 2014, attackers' favorite distributed denial of service attack strategy was to send messages to misconfigured servers with a spoofed return address - the servers would keep trying to reply to those messages, allowing the attackers to magnify the impact of their traffic.

How to install Mumble VoIP Server on Ubuntu 15.04 (Vivid Vervet)

In this tutorial we will install Mumble VoIP server on Ubuntu 15.04. Mumble is an open source high quality voice chat application mostly used for gaming.

Learning Linux: Who’s Teaching Whom?

Anomalies. That’s what we are. We, as in those 50 years of age or more who not only know how to use a computer, but who make them do our bidding.

Google Releases Chrome 43 Stable for Linux, Mac OS X, and Windows

Google was proud to announce today, May 18, the immediate availability for download of the Google Chrome 43 web browser for all supported platforms, including GNU/Linux, Mac OS X, and Microsoft Windows.

How to change system proxy settings from the command line on Ubuntu desktop

In Ubuntu desktop, its desktop environment settings, including system proxy settings, are stored in DConf database, which is a simple key/value store. If you modify any desktop properties using System Settings menu, the changes are persisted in the DConf database backend. There are GUI-based or non-GUI-based ways to modify DConf database on Ubuntu.

Civilization: Beyond Earth Rising Tide Expansion Pack Arrives on Linux in Autumn

Civilization: Beyond Earth is the latest game in the Civilization series developed by Firaxis and its makers have announced that a new expansion pack called Rising Tide is in the works. Even better, Aspyr Media will release it for Linux in autumn for the Linux platform.

Google still supports Docker

Yes, Google is supporting more container formats than Docker, but that doesn't mean it's turning against Docker in its cloud programs.

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