LJ Archive

Linux Journal Issue #285/April 2018

From the Editor—Doc Searls

From the Editor: How Wizards and Muggles Break Free of the Matrix  
First we invented a world where everyone could be free. Then we helped build feudal castles on it, where everyone now lives. Now it's time to blow up those castles by giving everybody much better ways to use their freedom than they ever would enjoy in a castle.


Readers' Choice  
Why Do We Do It?  by Petros Koutoupis
FOSS Project Spotlight: Ravada  by Francesc Guasch
The Road Less Traveled: Certifications Can Chart a Great Career in Linux and Open Source  by Taz Brown
A Good Front End for R  by Joey Bernard
News Briefs  


Kyle Rankin's Hack and /   Simple Cloud Hosting  
Reuven Lerner's At the Forge   Multiprocessing in Python  
Shawn Power's The Open-Source Classroom   Smart-Home Lightning Hacks  
Zack Brown's diff -u   What's New in Kernel Development  
Dave Taylor's Work the Shell   Tackling L33t-Speak  
Glyn Moody's Open Sauce   How EU's Copyright Reform Threatens Open Source—and How to Fight It  

Deep Dive: Into the Cloud

Everything You Need to Know about the Cloud and Cloud Computing, Part I  by Petros Koutoupis
An in-depth breakdown of the technologies involved in making up the cloud and a survey of cloud-service providers.
Everything You Need to Know about the Cloud and Cloud Computing, Part II  by Petros Koutoupis
How to get started with AWS, install Apache, create an EFS volume and much more.
The Agony and the Ecstasy of Cloud Billing  by Corey Quinn
Cloud billing is inherently complex; it's not just you.
Vendor Lock-in: Now in the Cloud!  by Kyle Rankin
Vendor lock-in has moved from corporate infrastructure into the cloud, only this time many are all too happy to embrace it. 


OSI's Simon Phipps on Open Source's Past and Future  by Christine Hall
With an eye on the future, the Open Source Initiative's president sits down and talks with Linux Journal about the organization's 20-year history.
Create Dynamic Wallpaper with a Bash Script  by Patrick Whelan
Harness the power of bash and learn how to scrape websites for exciting new images every morning.
Creating an Adventure Game in the Terminal with ncurses  by Jim Hall
How to use curses functions to read the keyboard and manipulate the screen.
ONNX: the Open Neural Network Exchange Format  by Braddock Gaskill
An open-source battle is being waged for the soul of artificial intelligence. It is being fought by industry titans, universities and communities of machine-learning researchers world-wide. This article chronicles one small skirmish in that fight: a standardized file format for neural networks. At stake is the open exchange of data among a multitude of tools instead of competing monolithic frameworks.
Oracle Patches Spectre for Red Hat  by Charles Fisher
Red Hat's Spectre remediation currently requires new microcode for a complete fix, which leaves most x86 processors vulnerable as they lack this update. Oracle has released new retpoline kernels which completely remediate Meltdown and Spectre on all compatible CPUs, which I show to install and test on CentOS here.


Cover image


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