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Where's That Pesky Hidden Word?

Linux Journal - Fri, 08/28/2015 - 13:17

I've been promising my 11-year-old for a long time now that I'd write a program that would let you build custom word searches based on a list of words given by the user. I wrote one years and years ago in C, but since I can't find that code any more and wanted to tackle another interesting project for this column, that's what I'm going to look at herein. more>>

Categories: Linux News

Call for Speakers - Montréal-Python 54: Virtualized Utopia

Montreal Python - Thu, 08/27/2015 - 23:00

It's back to school so, at Montréal-Python, we are preparing for the first event of the season!

We are back every second Monday of the month, so our next meeting will take place on Monday, September the 14th at 6:30pm at UQÀM.

For the occasion, we are looking for speakers to give talks of 5, 10, 20, or even 45 minutes.

Come tell us about your latest discoveries, your latest module, or your latest professional or personal realizations. It is your chance to meet with the local Python community.

Send us your propositions at


Monday, September 14th 2015

  • 6:00pm — Doors open
  • 6:30pm — Presentations start
  • 7:30pm — Break
  • 7:45pm — Second round of presentations
  • 9:00pm — One free beer offered at Bénélux just across the street
We’d like to thank our sponsors for their continued support:
  • UQÀM
  • Bénélux
  • Outbox
  • Savoir-faire Linux
  • Caravan
  • iWeb
Categories: External Blogs

A Project to Guarantee Better Security for Open-Source Projects

Linux Journal - Thu, 08/27/2015 - 13:13

With many open-source projects built on top of others, a security weakness in a common piece of infrastructure can have far-reaching consequences. As OpenSSL's Heartbleed security hole demonstrated, these vulnerabilities can appear in even the most trusted packages. more>>

Categories: Linux News

Concerning Containers' Connections: on Docker Networking

Linux Journal - Wed, 08/26/2015 - 13:58

Containers can be considered the third wave in service provision after physical boxes (the first wave) and virtual machines (the second wave). Instead of working with complete servers (hardware or virtual), you have virtual operating systems, which are far more lightweight. more>>

Categories: Linux News

My Network Go-Bag

Linux Journal - Mon, 08/24/2015 - 12:55

I often get teased for taking so much tech hardware with me on trips—right up until the Wi-Fi at the hotel, conference center or rented house fails. I'm currently on vacation with my family and some of our friends from Florida, and our rental home has a faulty Wi-Fi router. Thankfully, I have a bag full of goodies for just this occasion. more>>

Categories: Linux News

Doing Astronomy with Python

Linux Journal - Wed, 08/19/2015 - 12:52

One of the things that makes Python so powerful is that you can find a module for almost anything. In this article, I cover Astropy, which was originally developed by the Space Telescope Science Institute for doing astronomy calculations like image processing and observatory calculations. more>>

Categories: Linux News

Build a “Virtual SuperComputer” with Process Virtualization

Linux Journal - Tue, 08/18/2015 - 10:32

Build and release is a complicated process. I really don’t need to tell anyone that…but I did anyway. more>>

Categories: Linux News

Firefox Security Exploit Targets Linux Users and Web Developers

Linux Journal - Mon, 08/17/2015 - 09:49

Through the years, Firefox has enjoyed a reputation as one of the most secure Web browsers on any platform, and it's the default browser for many Linux distros. However, a security exploit appeared this week that has shown users they can't afford to be complacent about security. more>>

Categories: Linux News

diff -u: What's New in Kernel Development

Linux Journal - Thu, 08/13/2015 - 13:53

Linus Torvalds reported on some GCC compiler warnings that he felt were unnecessary, and he gave his opinion on how they should work instead. Specifically, GCC 5.1 would issue a warning against using a switch statement with a boolean variable, presumably because a boolean would be better handled by a simple if statement. more>>

Categories: Linux News

Bounce Around IRC with ZNC

Linux Journal - Wed, 08/12/2015 - 14:43

In my discussion on IRC with "bkidwell" (see the Non-Linux FOSS article for more on our talk), we were discussing how we connect to IRC. My main method is to SSH in to my co-located Raspberry Pi in Austria and connect to a screen session I have running that is constantly connected to IRC with Irssi. This works really well for me, and I never miss messages when I'm away. more>>

Categories: Linux News

PyCon Canada: Call for Speaker is ending soon

Montreal Python - Tue, 08/11/2015 - 23:00


The Call for Proposals for PyCon Canada 2015 is ending soon. We've heard that they have been receiving many amazing proposals. It is quite exciting to see the Canadian Python community all together again in November in Toronto.

If you have not yet submitted a talk or had not considered giving one, please be aware that talk slots can be either 5-10 minutes or 25-30 minutes, so whether you have a long form presentation or a quick lightning talk, it is quite exciting and looking forward to see your talk. A few suggestions: something Python related that you find interesting, something you’ve been working on, a tool that you have found helpful, tips and tricks you’d like to share, or ways in which you’ve used Python poorly, but would like to save others the same pain would all be great talks! Submissions are due by this Friday, August 14 so please get yours in today!

As well, if you are interested in running a tutorial session on your favourite topic. Please get in touch with the PyCon Canada team at

The PyCon Canada team is also actively seeking sponsors to help make this event possible. Sponsoring PyCon Canada 2015 is a great way to foster and strengthen your ties with the community, so please reach out to

Please share the word!

And you have need any help at creating your proposal please reach us at

For more informations about PyCon Canada 2015, please have a look at the website at

Categories: External Blogs

Problems with Ubuntu's Software Center and How Canonical Plans to Fix Them

Linux Journal - Mon, 08/10/2015 - 12:01

Ubuntu has received a lot of flack from the community for some of its commercial projects. Placing Amazon ads in Unity's Dash is a classic example of a poorly planned move that flies in the teeth of the community's ethos. A community built on the concepts of freedom and software that empowers the user (instead of some commercial concern) would never take that well. more>>

Categories: Linux News

Calling All Linux Nerds!

Linux Journal - Fri, 08/07/2015 - 12:22

The editorial staff here at Linux Journal wants to see your skills! Almost every time I'm in the #linuxjournal IRC channel, chit chatting on Google+, or tweeting back and forth on Twitter, I hear about really exciting projects our readers are involved with. more>>

Categories: Linux News

Non-Linux FOSS: Flaky Connection? Mosh it!

Linux Journal - Thu, 08/06/2015 - 13:52

Most of the work I do on computers is done via the command line. When I'm off on vacation somewhere, that means shoddy Wi-Fi and cell-phone tethering. Because cell-phone tethering gets expensive quick (I also have three teenage daughters with which I share a data plan), I try to use free Internet whenever I can. The biggest hassle with that method is dealing with broken SSH sessions. more>>

Categories: Linux News

Upcoming Webinar: Getting Started with DevOps

Linux Journal - Wed, 08/05/2015 - 07:32
DevOps represents a profound change from the way most IT departments have traditionally worked: from siloed teams and high-anxiety releases to everyone collaborating on uneventful and more frequent releases of higher-quality code. more>>
Categories: Linux News

LibreOffice 5.0 Looking Good and Shipping This Week

Linux Journal - Tue, 08/04/2015 - 22:14

LibreOffice 5.0 ships this week, and it brings a host of improvements that users will be excited about. more>>

Categories: Linux News

Three More Lessons

Linux Journal - Tue, 08/04/2015 - 12:36

[In June 2015, I gave a commencement address to the graduating class of High Mowing School in New Hampshire. I wrote many drafts for the talk, all toward extemporizing the final thing. My experience with Linux and open-source hackers had an influence on it and gets credit as well. That's why I'm sharing it here.—Doc] more>>

Categories: Linux News

August 2015 Issue of Linux Journal: Programming

Linux Journal - Mon, 08/03/2015 - 13:07
Welcome to Issue 10000000!

Binary jokes are always fun, and although technically I could say "welcome to issue <BINARY_NUMBER>" every month, it's more fun with nice round numbers li more>>

Categories: Linux News

Django Models and Migrations

Linux Journal - Thu, 07/30/2015 - 15:10

In my last two articles, I looked at the Django Web application framework, written in Python. Django's documentation describes it as an MTV framework, in which the acronym stands for model, template and views. more>>

Categories: Linux News

Secure Server Deployments in Hostile Territory, Part II

Linux Journal - Wed, 07/29/2015 - 12:11

In my last article, I started a series on some of the challenges related to spawning secure servers on Amazon EC2. In that column, I discussed some of the overall challenges EC2 presents for security compared to a traditional infrastructure and elaborated on how I configure security groups and manage secrets. more>>

Categories: Linux News
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