Program for SeaGL 2023

presented by Deb Nicholson

Everyone loves the idea of diversity and most of us want to think of ourselves as "a good ally.” Not only is it the right thing to do, there are some very appealing benefits that come with making your tech event, project or workplace a welcoming place for vulnerable, marginalized or under-indexed people. More perspectives leads to more innovation and diverse companies tend to enjoy higher emplo...

presented by Sriram Ramkrishna

The Linux App Ecosystem is essentially a group of projects, frameworks, and organizations that implement, contribute, and enhance writing applications on the Linux platform. During the initial years, there was a slew of excitement as open source became more prominent. Yet, as the years went by and even as the concept of open source took off and became the modus operand of software engineering, ...

presented by Athan Spathas

There are many parallels between the principles of Free/Libre/Openness and Sustainability but how do they relate in general? Can they exist without each other, or are they just two sides of the same coin? This talk is about reconciling ideas across these two complicated paradigms and some more simple / practical examples in which they can align very directly. It was born out of trying to repur...

presented by Timothy Sample

GNU Guix is a functional package manager – an approach to package management pioneered by Nix. Like Nix, Guix lets you create computing environments (and even entire operating systems) declaratively: you describe what you want and let Guix figure out how to build it. And after over 10 years of development, Guix knows how to build a lot of things. While Nix is quickly becoming more popular am...

REPLACEMENT Please note that this talk replaces The New Cadence: How Production Users Calls Are Helping Drive Open Source Project Development

presented by Jim Hall

To a modern audience, "Linux" and "Unix" mean pretty much the same thing. User-oriented Linux distributions provide a graphical interface with desktop applications. But Unix wasn't always like that. In this engaging virtual presentation, you'll learn about the origins of Unix, and we'll do a live demo of using Linux like it was Unix from 50 years ago. Bring your own Linux laptop and follow alon...

presented by Ibi

The digital age has brought about a new era of work, but with it comes new challenges. Traditional models of collaboration and innovation are becoming increasingly obsolete, leaving many designers and organizations struggling to keep up. The question is: how can we thrive in this fast-paced, ever-changing landscape? That’s where open source design communities come in. They offer a fresh approac...

presented by AJ Jordan

Ever been curious how SeaGL has produced a conference for 10+ years - first in-person, then virtual and hybrid? It takes a lot of hard work, but also a lot of tech!

This talk will give a whirlwind introduction to the free software projects we use to run SeaGL. We'll talk about how the Tech team works with - and benefits greatly from - the broader free software community and maybe even meet s...

presented by st4t3

Despite Mexico's size, its hacking scene is relatively small, particularly when compared to its counterparts in Europe and the United States. With only a handful of established spaces and a community that lacks a consolidated digital presence, it's clear there's room for growth. The COVID-19 pandemic further impacted this community, leading to the temporary closure of prominent spaces like Ra...

presented by Lori Barfield

DESCRIPTION There’s a crushing Catch-22 in the technology world that keeps people from realizing their career dreams. Career consultants often hear this exasperated plea for help: “How do I get experience doing something new, when the companies I am talking to only want to hire people who already have experience?” Lori is a former computer engineer and technology executive who will explain ho...

presented by James Pannacciulli

Kubernetes is a complex system with an equally complex ecosystem. In this presentation, I will demonstrate with live examples each of the steps needed to host several simple sites on a self-contained Kubernetes cluster running on a small VPS server. This will include installation of the lightweight MicroK8s Kubernetes distribution and the Nginx ingress and cert-manager addons, along with the ...

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presented by Christina Zhu

Hackathons have emerged as powerful catalysts for community engagement and collaboration, especially within the realm of open-source software development. These events bring together developers from diverse backgrounds, united by a shared passion for technology and a desire to create something that might change the world for the better. By hosting a hackathon for your local open-source communit...

presented by Dawn Cooper

So you're thinking about becoming a cyborg. It may or may not surprise you to learn that there are several of us around already, and while cybernetic enhancement can greatly improve our lives, it also has its downsides. Adaptive devices used by people with disabilities and medical conditions have been failing in unexpected ways for years, despite oversight from government bodies. Recreational i...

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In an era marked by pressing environmental challenges and the urgent need for sustainable development, we need open source now, more than ever. Open Source, with its collaborative ethos and transparent nature, has the potential to revolutionise the way we approach sustainability. This keynote explores the symbiotic relationship between Open Source and sustainability, highlighting how Open Sourc...

presented by Kaylea Champion

Free/libre open source software is everywhere -- but that success has come at a cost, and our freedom to follow our own passions is both a blessing and a curse. In this talk, I'll share results from a series of recent research projects to understand the risks we face and the ways we can protect the health of our movement. I'll share specific actions you and your projects can take to keep buil...

presented by Jens Finkhaeuser

In distributed systems, authorization is often the last centralized component. Cryptographic capabilities offer an alternative.

For the related problem of authentication, the use of public key cryptography allows decoupling different authentication phases in time, with the effect that at the point of use, only those parts need to be performed that can be distributed, i.e. without any relianc...

presented by Alex Byrne

Humans use Internet-connected computers as a daily part of their work, school, and play experiences, but the computers they use for work and school are usually locked down by policies, and many of the computers offered for play are either app appliances or single-purpose game machines, leaving most people bereft of a low-stakes machine to tinker or experiment with that they have full control ov...

presented by der.hans

Part 3 of the jq trilogy ( part 1 was given at SeaGL 2021, part 2 at SeaGL 2022 ).

In this part we cover using scripring with jq to programatically change JSON documents.

Today's APIs and databases feed us lots of JSON. It's a structured, line-independent data format, and our normal line-based tools such as grep, sed and awk fall a bit short.

jq understands JSON document format that's...

presented by faithkovi

Your open-source infrastructure's security has never been more important in the ever-evolving DevOps landscape, where speed and agility are supreme. The topic of this talk focuses on exploring the most important security considerations and best practices for protecting your open-source DevOps infrastructure. This talk will delve into the core parts of open-source infrastructure security, prov...

presented by Kyle Rankin

Somewhere between hardware and software, is firmware. It was originally called that precisely because it straddled those two worlds.

Yet most firmware is no longer firm, it's more like tofu and exists in firm, semi-firm, and soft states. Current FSF policy that allows proprietary firmware is based on burned-on-chip, write-once firmware from a few decades ago. Most firmware today is field-upg...

presented by Nočnica Mellifera

Observability tends to be the second most expensive part of a large team's cloud bill. With open source tools, it's possible to both cut those bills and send data in a format that can be interpreted by multiple endpoints. Nica will show you how to add Observability to your microservice architecture using OpenTelemetry

presented by Mike Hamrick

When writing about programming or other technical subjects, you’re often weaving blocks of source code, program output, and raw data in with your prose. These supplementary materials are usually copied and pasted into your document from other sources, which can be difficult and tedious to keep up-to-date as things change. Inconsistencies and errors can easily creep in when you “hard-code” dynam...

presented by Colin Foster

In 2020 there was an abrupt end to all spin classes. Demand for fancy exercise bikes spikes, along with cost and wait times. Settling for an exercise bike without speed and resistance feedback is simply not an option. What can be done?

This is a perfect opportunity for the Frugal Engineer! Walk through the journey to add visual feedback to an otherwise 'dumb' exercise bike. Combine your Linu...

presented by garrett honeycutt

Introduction to using the open source tool, Choria, to handle your orchestration needs. Choria is secure platform using mTLS and handles AAA (Authentication, Authorization, and Auditing) for you so you can focus on the automation. It uses NATS middleware for massive scale and geographically distributed networks. Besides learning about Choria we will also more generally cover orchestration and m...

presented by Chris Thompson

gRPC is as close as we have come to having LEGOs as code. A battle tested type system with a focus on simplicity and scalability. By not having focus on a market outside of the needs of large technology companies, it has been unable to make a meaningful impact for smaller teams or individuals. Countless hours are spent in whiteboard sessions determining what language to use, what libraries to u...

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