Table of Contents

The Kernel Issue

The Kernel Issue  by Bryan Lunduke

From the Editor  by Doc Searls

We Need to Save What Made Linux and FOSS Possible

Letters

Letters to the editor  

UPFRONT

Visualizing Science with ParaView  by Joey Bernard

Patreon and Linux Journal  

Reality 2.0: a Linux Journal Podcast  

Signing Git Commits  by Kyle Rankin

FOSS Project Spotlight: Bareos, a Cross-Network, Open-Source Backup Solution  by Heike Jurzik and Maik Aussendorf

News Briefs  

Columns

Kyle Rankin's Hack and /   Digital Will, Part I: Requirements  

Reuven M. Lerner's At the Forge   Introducing Mypy, an Experimental Optional Static Type Checker for Python  

Dave Taylor's Work the Shell   Breaking Up Apache Log Files for Analysis  

Zack Brown's diff -u   What's New in Kernel Development  

Glyn Moody's Open Sauce   Open Source—It's in the Genes  

Deep Dive: the Kernel

What Does It Take to Make a Kernel?  by Petros Koutoupis

People often refer to an operating system's kernel without truly knowing what it does or how it works or what it takes to make one. What does it take to write a custom (and non-Linux) kernel?

Memory Footrpint of Processes  by Frank Edwards

The amount of memory your system needs depends on the memory requirements of the programs you run. Do you want to know how to figure that out?

Oops! Debugging Kernel Panics  by Petros Koutoupis

A look at what causes kernel panics and some utilities to help gain more information.

A Conversation with Kernel Developers from Intel, Red Hat and SUSE  by Bryan Lunduke

Three kernel developers describe what it's really like to work on the kernel, how they interact with developers from other companies, some pet peeves and how to get started.

Articles

Using Machine Learning to Optimize Linux Networking  by Damian Valles and Stan McClellan

The Linux networking stack can benefit from "inferences" due to machine learning, which may be used in "smart" applications.

Linux TCP SO_REUSEPORT: Usage and Implementation  by Krishna Kumar

Improve your server performance using a relatively new feature of the Linux networking stack: the SO_REUSEPORT socket option.

Cover

Cover image

Masthead

Masthead