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Scary Linux Commands for Halloween

Tue, 10/31/2017 - 05:30

With Halloween so fast approaching, it’s time for a little focus on the spookier side of Linux. What commands might bring up images of ghosts, witches and zombies? Which might encourage the spirit of trick or treat?

Apache Software Foundation Is Bringing Open Source ML to the Masses with PredictionIO

Tue, 10/31/2017 - 05:00

The Apache Software Foundation is opening up the field of machine learning with its new open source project, PredictionIO. But how are they making it easier for newcomers to learn this devilishly complicated bit of coding? The clever use of templates, of course.

Operating a Kubernetes Network

Tue, 10/31/2017 - 04:00

I’ve been working on Kubernetes networking a lot recently. One thing I’ve noticed is, while there’s a reasonable amount written about how to set up your Kubernetes network, I haven’t seen much about how to operate your network and be confident that it won’t create a lot of production incidents for you down the line.

In this post I’m going to try to convince you of three things: (all I think pretty reasonable :))

A Free Guide to Participating in Open Source Communities

Mon, 10/30/2017 - 10:30

The Linux Foundation’s free online guide Participating in Open Source Communities can help organizations successfully navigate these open source waters. The detailed guide covers what it means to contribute to open source as an organization and what it means to be a good corporate citizen.

Linux Foundation Certified System Administrator and Engineer: Lars Kronfält

Mon, 10/30/2017 - 10:17
Title: Linux Foundation Certified System Administrator and Engineer: Lars Kronfält30 OctLearn more

Running Non-Root Containers On Openshift

Mon, 10/30/2017 - 06:30

In this blog post we see how a Bitnami non-root Dockerfile looks like by checking the Bitnami Nginx Docker image. As an example of how the non-root containers can be used, we go through how to deploy Ghost on Openshift. Finally, we will cover some of the issues we faced while moving all of these containers to non-root containers

Ledger Systems Today Are Siloed and Disconnected. Hyperledger Quilt Wants to Solve That

Mon, 10/30/2017 - 05:00

Hyperledger Quilt started over a year ago and is a Java implementation of the Interledger protocol. We talked with Adrian Hope-Bailie, Standards Officer at Ripple and Maintainer of Hyperledger Quilt about the problem this project wants to solve, its benefits, limitations and more.

JAXenter: What is Hyperledger Quilt and what problem does it want to solve?

2 Ways to Better Secure your Linux Home Directory

Mon, 10/30/2017 - 04:33

One often-forgotten area of Linux security is the home directory—otherwise known as ~/. Something to keep in mind, is that particular directory houses user data. In other words, this is the default directory where documents are stored. If this machine is used in a business environment, there could be sensitive information stored within.

Let's see what we can do to that home directory to make it more secure. We'll start with the easy tip first. I'll be demonstrating on a freshly installed Ubuntu 17.10 desktop.