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Quantum Cryptography

Linux Journal - Tue, 04/22/2014 - 12:32

Classical cryptography provides security based on unproven mathematical assumptions and depends on the technology available to an eavesdropper. But, these things might not be enough in the near future to guarantee cyber security. We need something that provides unconditional security. We need quantum cryptography. more>>

Categories: Linux News

Command-Line Cloud: gcalcli

Linux Journal - Mon, 04/21/2014 - 13:12

If you follow my columns in Linux Journal, you probably are aware that I'm a big fan of the command line. When it comes to getting things done efficiently, most of the time the command line can't be beat. more>>

Categories: Linux News

Image Manipulation with ImageMagick

Linux Journal - Thu, 04/17/2014 - 12:46

I've spent a lot of time in my column talking about text processing and analysis, with the basic assumption that if you're using the command line, you're focused on text. more>>

Categories: Linux News

Non-Linux FOSS: Angry IP

Linux Journal - Wed, 04/16/2014 - 16:12

The de facto standard for port scanning always has been the venerable Nmap program. The command-line tool is indeed very powerful, but I've only ever seen it work with Linux, and every time I use it, I need to read the man page to figure out the command flags. more>>

Categories: Linux News

Encrypting Your Cat Photos

Linux Journal - Tue, 04/15/2014 - 14:28

The truth is, I really don't have anything on my hard drive that I would be upset over someone seeing. I have some cat photos. I have a few text files with ideas for future books and/or short stories, and a couple half-written starts to NaNoWriMo novels. It would be easy to say that there's no point encrypting my hard drive, because I have nothing to hide. more>>

Categories: Linux News

Numerical Python

Linux Journal - Fri, 04/11/2014 - 13:25

For the past few months, I've been covering different software packages for scientific computations. For my next several articles, I'm going to be focusing on using Python to come up with your own algorithms for your scientific problems. more>>

Categories: Linux News

Speed Test for Nerds

Linux Journal - Thu, 04/10/2014 - 14:46

Most people with Internet access in their houses have visited a speed-test Web site to make sure they're getting somewhere close to the speed they're overpaying for. I'm paying more than $100 a month for my business-class connection from Charter, so on a regular basis, I make sure I'm getting the advertised speed. more>>

Categories: Linux News

DNSSEC Part II: the Implementation

Linux Journal - Tue, 04/08/2014 - 16:11

This article is the second in a series on DNSSEC. In the first one, I gave a general overview of DNSSEC concepts to lay the foundation for this article, which discusses how to enable DNSSEC for a zone using BIND. more>>

Categories: Linux News

Pro Video Editing with Pitivi

Linux Journal - Mon, 04/07/2014 - 13:00

Several decent video editors are available on the Linux platform. Kdenlive, OpenShot, Cinelerra and Pitivi are those that come to mind as "big players" in an admittedly small market. I've used them all through the years, with varying levels of success. more>>

Categories: Linux News

Android Candy: Control-Z for Your Phone!

Linux Journal - Thu, 04/03/2014 - 11:52

I never have a Twitter app crash in the middle of a Tweet. That wouldn't be too terrible to deal with. No, for me, it seems my e-mail application decides to crash after I've spent 20 minutes thumbing out a reply while sitting in a crowded airport. If you've ever lost a love letter, term paper, shopping list or world-class Facebook post, Type Machine is the perfect app for you. more>>

Categories: Linux News

Opening Minds to the Spheres Among Us

Linux Journal - Wed, 04/02/2014 - 12:07

Flatland, an 1880 novella by Edwin A. Abbott, is about a world with just two dimensions, inhabited by lines and polygons. Trouble starts when a sphere shows up. more>>

Categories: Linux News

April 2014 Issue of Linux Journal: High Performance Computing

Linux Journal - Tue, 04/01/2014 - 15:33
Big Block Linux with a Four-Barrel Hemi

We often brag about how few resources Linux needs to operate: a Raspberry Pi or Beagle Board, in a Web browser ( more>>

Categories: Linux News

More Secure SSH Connections

Linux Journal - Mon, 03/31/2014 - 14:45

If you need remote access to a machine, you'll probably use SSH, and for a good reason. The secure shell protocol uses modern cryptography methods to provide privacy and confidentiality, even over an unsecured, unsafe network, such as the Internet. more>>

Categories: Linux News

Split Testing

Linux Journal - Thu, 03/27/2014 - 15:55

It's nice to have many people visit your Web site. It's even better when people don't just come to your site, but also enjoy your content. But, best of all is when visitors to your site do what you would like them to do—sign up for your newsletter, register for your SaaS application or buy one of your products. more>>

Categories: Linux News

LVM, Demystified

Linux Journal - Wed, 03/26/2014 - 13:30

I've been a sysadmin for a long time, and part of being a sysadmin is doing more than is humanly possible. Sometimes that means writing wicked cool scripts, sometimes it means working late, and sometimes it means learning to say no. Unfortunately, it also sometimes means cutting corners. I confess, I've been "that guy" more than once. A good example is SELinux. more>>

Categories: Linux News

Encrypted Backup Solution "Home Paranoia Edition"

Linux Journal - Mon, 03/24/2014 - 12:23

How to safeguard your personal data with TrueCrypt and SpiderOak. more>>

Categories: Linux News

A Shining Ruby in Production Environments

Linux Journal - Thu, 03/20/2014 - 12:42

Even the most beautiful Rails application can lose its elegance if not deployed correctly. Like other Ruby frameworks or languages, such as Sinatra, Rails is based on the Rack interface. This article provides a basic introduction to Rack hosting and Rack-based application deployments. more>>

Categories: Linux News

Cloud Computing Basics—Platform as a Service (PaaS)

Linux Journal - Wed, 03/19/2014 - 14:14

Generally, good programming is considered to be the measured application of an art form, craft or discipline, with the objective of producing a competent and evolving business solution. In traditional environments, computer programming is a practice that has multiple phases, such as designing, developing, testing, debugging and maintaining application code. more>>

Categories: Linux News

Solid-State Drives: Get One Already!

Linux Journal - Tue, 03/18/2014 - 16:22

I've been building computers since the 1990s, so I've seen a lot of new technologies work their way into the mainstream. Most were the steady, incremental improvements predicted by Moore's law, but others were game-changers, innovations that really rocketed performance forward in a surprising way. more>>

Categories: Linux News

Linux Kernel News - January and February 2014

Linux Journal - Mon, 03/17/2014 - 15:59

I am reporting the Linux project activity for the past two months in this article. Blame it on me being heads down to get some development work done. Without further ado, let's get started on catching up. more>>

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