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Doing Good Data Science

There has been a lot of healthy discussion about data ethics lately. We want to be clear: that discussion is good, and necessary. But it’s also not the biggest problem we face. We already have good standards for data ethics. The ACM’s code of ethics, which dates back to 1993, is clear, concise, and...
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How to See What's Going on With Your Linux System Right Now

Is that service still running? What application is using that TCP port? These questions and more can be answered easily by sysadmins who know simple Linux commands. If you're a system administrator responsible for Linux servers, it's essential that you master the Bash shell, especially the commands...
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Optimized Clear Linux Kernel Now Available for Fedora 28 and Fedora Rawhide

A recent devel list discussion for popular Linux distro Fedora mentioned Clear Linux optimizations, which may be relevant to Fedora developers in the future. It was mentioned that Intel’s Clear Linux show noticeable performance gains over Xubuntu, as based on graphs by Phoronix. A Fedora user then...
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open source summit
Greg Kroah-Hartman talks about the importance of community interaction and the upcoming Open Source Summit.

Greg Kroah-Hartman on Linux, Security, and Making Connections at Open Source Summit

People might not think about the Linux kernel all that much when talking about containers, serverless, and other hot technologies, but none of them would be possible without Linux as a solid base to build on, says Greg Kroah-Hartman.  He should know. Kroah-Hartman maintains the stable branch of the...
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Linux File Server Guide

Linux file servers play an essential role. The ability to share files is a basic expectation with any modern operating system in the workplace. When using one of the popular Linux distributions, you have a few different file sharing options to choose from. Some of them are simple but not that...
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Eliminating the Product Owner Role

“The Product Owner role no longer exists” I recently announced to an entire department in a large company. A few POs looked a bit shocked and concerned. What would they do instead? Before I get into who or what would replace the PO role, let me offer a bit of background on this group. Three coaches...
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What Are ‘Mature’ Stateful Applications?

BlueK8s is a new open source Kubernetes initiative from ‘big data workloads’ company BlueData — the project’s direction leads us to learn a little about which direction containerised cloud-centric applications are growing. The first open project in the BlueK8s initiative is Kubernetes Director (aka...
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What Serverless Architecture Actually Means, and Where Servers Enter the Picture

Serverless architecture is not, despite its name, the elimination of servers from distributed applications. Serverless architecture refers to a kind of illusion, originally made for the sake of developers whose software will be hosted in the public cloud, but which extends to the way people...
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Tickets Make Operations Unnecessarily Miserable

IT Operations has always been difficult. There is always too much work to do, not enough time to do it, and frequent interrupts. Moreover, there is the relentless pressure from executives who hold the view that everything takes too long, breaks too often, and costs too much. In search of...
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Converting and Manipulating Image Files on the Linux Command Line

Most of us probably know how wonderful a tool Gimp is for editing images, but have you ever thought about manipulating image files on the command line? If not, let me introduce you to the convert command. It easily coverts files from one image format to another and allows you to perform many other...
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