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Managing Docker Instances with Puppet

Linux Journal - Thu, 07/20/2017 - 08:40

In a previous article, "Provisioning Docker with Puppet", in the December 2016 issue, I covered one of the ways you can install the Docker service onto a new system with Puppet. By contrast, this article focuses on how to manage Docker images and containers with Puppet. more>>

Categories: Linux News

Getting Sticky with It

Linux Journal - Wed, 07/19/2017 - 08:33

Although they might not be so good for credit cards or floppy disks, magnets are one of those things that always have fascinated me. For the past few years, I've wanted to get a set of the round Zen Magnets to play with—they're sort of like an extra science-y version of LEGOs. Unfortunately, before I was able to purchase any, the US government banned their sale! more>>

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Scissors, Paper or Rock?

Linux Journal - Tue, 07/18/2017 - 06:05

In this article, I'm going to tackle a children's game that's extraordinarily complicated, with many variations, and the programming task is going to be quite tricky. Just kidding! Rock Paper Scissors (or RPS, as it's known) is pretty darn easy to simulate because there aren't really many variants or possible outcomes. more>>

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Celtra's AdCreator Platform

Linux Journal - Mon, 07/17/2017 - 06:53

Mobile advertising campaigns today are often hampered by broken, non-viewable ads with a poor UX experience. An important open-source initiative aimed at solving this problem and making the web better for all is the AMP Project, which enables the creation of websites and ads that are consistently fast, beautiful and high-performing across devices and distribution platforms. more>>

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All Your Accounts Are Belong to Us

Linux Journal - Thu, 07/13/2017 - 08:47

Last weekend my work phone suddenly stopped working. Not the phone itself, but rather all service stopped. I first noticed (of course) due to an inability to load any web pages. Then I tried calling someone and realized my phone was disconnected. In fact, when someone tried to call me, it said the line was no longer in service. more>>

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Applied Expert Systems, Inc.'s CleverView for TCP/IP on Linux

Linux Journal - Wed, 07/12/2017 - 10:13

The contemporary data center is typified by an ever-increasing amount of traffic occurring between servers, observes Applied Expert Systems, Inc. (AES), sagely. Fulfilling the logical need to facilitate improved server-to-server communications, AES created CleverView for TCP/IP on Linux, now at v2.7. CleverView provides IT staff access to current and more>>

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Sysadmin 101: Alerting

Linux Journal - Tue, 07/11/2017 - 05:59

This is the first in a series of articles on system administrator fundamentals. These days, DevOps has made even the job title "system administrator" seem a bit archaic, much like the "systems analyst" title it replaced. more>>

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Android Candy: Exploding Kittens!

Linux Journal - Mon, 07/10/2017 - 07:18

I don't very often play games. I know that seems odd, because I do often write about gaming. Honestly though, I very rarely actually take the time to play video games. Recently, however, there has been an exception to that rule. more>>

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Mistral Solutions' 820 Nano SOM

Linux Journal - Fri, 07/07/2017 - 09:56

One of the smallest System on a Module (SOM) solutions currently available in the market—measuring a mere 51mm x 26mm—is Mistral Solutions' 820 Nano SOM. The company predicts that its new 820 Nano SOM solution is "destined to be a preferred SoM in the industry". more>>

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Linux for Everyone—All 7.5 Billion of Us

Linux Journal - Thu, 07/06/2017 - 05:58

Linux has long since proven it's possible for one operating system to work for everyone—also that there's an approach to development that opens and frees code so everyone can use it, improve it and assure its freedoms spread to everyone doing the same. more>>

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Analyzing Videos for Fun and Profit

Linux Journal - Wed, 07/05/2017 - 05:46

People's phones and all of the various sensors that may be built in to them is a source of scientific data logging that almost everyone carries around. Although the selection of sensors varies from phone to phone, they almost all have a camera. In this article, I take a look at a piece of software called Tracker that can be used to analyze videos you take of experiments. more>>

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eCosCentric Limited's eCosPro

Linux Journal - Mon, 07/03/2017 - 08:25

In contrast to general-purpose operating systems for the Raspberry Pi, the new eCosPro from eCosCentric Limited is a lightweight, multithreaded, industrial-strength RTOS delivering reduced latency with bounded response times. eCosPro's resource requirements are a fraction of those demanded by a general-purpose OS and maximize the RAM resources available to applications. more>>

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FreeDOS Is 23 Years Old, and Counting

Linux Journal - Fri, 06/30/2017 - 15:49

The FreeDOS Project has just reached its 23rd birthday! This is a major milestone for any free software or open-source software project. more>>

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J. and K. Fidler's Cut the Cord, Ditch the Dish, and Take Back Control of Your TV (Iron Violin Press)

Linux Journal - Fri, 06/30/2017 - 11:05

Prospective TV cable-cutters, even those with technical abilities, often are flummoxed in the face of choosing between all of the content options and new technologies available. Reliable sources of complete and neutral information in this space are hard to find, and the fun evaporates rapidly when you're faced with hours of stumbling through forums and strings of searches. more>>

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Testing Models

Linux Journal - Thu, 06/29/2017 - 06:20

In my last few articles, I've been dipping into the waters of "machine learning"—a powerful idea that has been moving steadily into the mainstream of computing, and that has the potential to change lives in numerous ways. more>>

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AWS Quickstart for Kubernetes

Linux Journal - Wed, 06/28/2017 - 11:27
Kubernetes is an open-source cluster manager that makes it easy to run Docker and other containers in production environments of all types (on-premises or in the public cloud). What is now an open community project came from development and operations patterns pioneered at Google to manage complex systems at internet scale.

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Steve Suehring's CompTIA Linux+ and LPIC Practice Tests (Sybex)

Linux Journal - Wed, 06/28/2017 - 10:48

Possessing Linux skills is valuable in today's IT job market where demand for talent outstrips supply. Getting certified proves you have the chops to do the job, and two well worn paths to Linux certification are the Computing Technology Industry Association's CompTIA Linux+ and the Linux Professional Institute Certification (LPIC). more>>

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Ubuntu Kylin, a Linux Distribution with a Microsoft Windows Experience

Linux Journal - Tue, 06/27/2017 - 09:48

Ubuntu Kylin is an open-source Linux distribution based on Ubuntu since 2013, mainly developed by a Chinese team alongside dozens of Linux developers all over the world. It contains the basic features you would expect from Ubuntu, plus features a desktop environment and applications. more>>

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SUSE CaaS Platform

Linux Journal - Mon, 06/26/2017 - 06:33

There are a lot of decisions to be made before enterprises are ready for production and deployment of container apps, asserts SUSE. more>>

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Linux Lite

Linux Journal - Fri, 06/23/2017 - 13:28

Linux Lite is a beginner-friendly Linux distribution that is based on the well known Ubuntu LTS and targeted at Windows users. Its mission is to provide a complete set of applications to support users' everyday computing needs, including a complete office suite, media players and other essential applications. more>>

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