# welcome comments (blogs) — RSS Amplifier Recent posts from the 1 feeds in the RSS Amplifier directory that cover welcome comments. Page: Feed: --- ## [Investing in automated C to Rust translation](https://jnsgr.uk/2026/08/automating-c-to-rust-translation/) _2026-08-19 · Blog on Jon Seager_ This article was originally posted on the Ubuntu Discourse , and is reposted here. I welcome comments and further discussion in that thread. I have written before about the role that Rust will play in Ubuntu's future. The case for Rust in 2026 is clear: it gives systems programmers more ergonomic control over performance and resource use while eliminating many classes of memory-safety defects,… ## [Try the \`upki\` preview for Ubuntu](https://jnsgr.uk/2026/07/upki-preview-for-ubuntu/) _2026-07-01 · Blog on Jon Seager_ This article was originally posted on the Ubuntu Discourse , and is reposted here. I welcome comments and further discussion in that thread. The development of upki has been steadily progressing over the past few months. Since my last update , the project has released a beta version of the CLI tool and library, and the Ubuntu Foundations team has released a preview that users of Ubuntu 26.04 LTS… ## [Ubuntu Summit 26.04: Personal Highlights](https://jnsgr.uk/2026/06/ubuntu-summit-26/) _2026-06-02 · Blog on Jon Seager_ This article was originally posted on the Ubuntu Discourse , and is reposted here. I welcome comments and further discussion in that thread. Last week I attended Ubuntu Summit 26.04 . Ubuntu Summit is Canonical’s twice-yearly “showcase for innovative and ambitious” work across Ubuntu, open source, and the wider technology ecosystem. The format remained the same as the Ubuntu… ## [The future of AI in Ubuntu](https://jnsgr.uk/2026/04/ai-in-ubuntu/) _2026-04-27 · Blog on Jon Seager_ This article was originally posted on the Ubuntu Discourse , and is reposted here. I welcome comments and further discussion in that thread. Introduction # As 2026 progresses, LLM-based tools are becoming more and more ubiquitous. Adoption across the tech industry has been mixed, both in terms of which projects are embracing “AI” technologies, and in how companies are structuring their… ## [ntpd-rs: it's about time!](https://jnsgr.uk/2026/03/ntpd-rs-its-about-time/) _2026-03-26 · Blog on Jon Seager_ This article was originally posted on the Ubuntu Discourse , and is reposted here. I welcome comments and further discussion in that thread. Introduction # I am thrilled to announce the next target in our campaign to replace core system utilities with memory-safe Rust rewrites in Ubuntu. In upcoming releases, Ubuntu will be adopting ntpd-rs as the default time synchronization client and server,… ## [Brewlog: Coffee & Agents](https://jnsgr.uk/2026/03/brewlog-coffee-and-agents/) _2026-03-10 · Blog on Jon Seager_ Introduction # I’m really into speciality coffee. In July 2025 I started tracking my coffee habits with Roastguide , a delightfully designed iOS app for people with a similar obsession to mine. It does a good job of tracking brews, roasters and bags, but over time I found myself wanting the data in a system that I controlled. I wanted to be able to query it, back it up, and adjust some of the… ## [An update on upki](https://jnsgr.uk/2026/02/upki-update/) _2026-02-16 · Blog on Jon Seager_ This article was originally posted on the Ubuntu Discourse , and is reposted here. I welcome comments and further discussion in that thread. Last year, I announced that Canonical had begun supporting the development of upki , a project that will bring browser-grade Public Key Infrastructure (PKI) to Linux. Since then, development has been moving at pace thanks to the tireless work of Dirkjan and… ## [Developing with AI on Ubuntu](https://jnsgr.uk/2026/01/developing-with-ai-on-ubuntu/) _2026-01-20 · Blog on Jon Seager_ This article was originally posted on the Ubuntu Discourse , and is reposted here. I welcome comments and further discussion in that thread. AI-assisted tooling is becoming more and more common in the workflows of engineers at all experience levels. As I see it, our challenge is one of consideration, enablement and constraint. We must enable those who opt-in to safely and responsibly harness the… ## [Addressing Linux's Missing PKI Infrastructure](https://jnsgr.uk/2025/12/addressing-linuxs-missing-pki-infra/) _2025-12-08 · Blog on Jon Seager_ This article was originally posted on the Ubuntu Discourse , and is reposted here. I welcome comments and further discussion in that thread. Earlier this year, LWN featured an excellent article titled “ Linux’s missing CRL infrastructure ”. The article highlighted a number of key issues surrounding traditional Public Key Infrastructure (PKI), but critically noted how even the… ## [Ubuntu Summit 25.10: Personal Highlights](https://jnsgr.uk/2025/11/ubuntu-summit-25/) _2025-11-02 · Blog on Jon Seager_ This article was originally posted on the Ubuntu Discourse , and is reposted here. I welcome comments and further discussion in that thread. I recently had the privilege of attending the Ubuntu Summit 25.10 . Ubuntu Summits have a relatively long history. Some years ago Canonical ran the ‘Ubuntu Developer Summits (UDS)’, but recently the events were brought back and reimagined as the ‘Ubuntu… ## [Trade Bitcoin & Ethereum (Sponsored)](https://crawlproof.com/a/Wfy8JbY5Wy05) _2025-11-01 · **Sponsored**_ Buy, sell and margin trade BTC & ETH with fiat currencies ## [Ubuntu Engineering in 2025: A Retrospective](https://jnsgr.uk/2025/10/ubuntu-25/) _2025-10-09 · Blog on Jon Seager_ This article was originally posted on the Ubuntu Discourse , and is reposted here. I welcome comments and further discussion in that thread. Ubuntu 25.10: A Retrospective # In February this year, I published Engineering Ubuntu For The Next 20 Years , which was something of a manifesto I pledged to enact in the design, build and release of Ubuntu. This week, we released Ubuntu 25.10 Questing… ## [The Immutable Linux Paradox](https://jnsgr.uk/2025/09/immutable-linux-paradox/) _2025-09-01 · Blog on Jon Seager_ This article was originally posted on the Ubuntu Discourse , and is reposted here. I welcome comments and further discussion in that thread. Immutable Linux distributions have been around since the early 2000s, but adoption has significantly accelerated in the last five years. Mainstream operating systems (OSes) such as macOS , Android , ChromeOS and iOS have all embraced similar principles,… ## [Crafting Your Software](https://jnsgr.uk/2025/07/crafting-your-software/) _2025-07-21 · Blog on Jon Seager_ This article was originally posted on the Ubuntu Discourse , and is reposted here. I welcome comments and further discussion in that thread. Packaging software is notoriously tricky. Every language, framework, and build system has its quirks, and the variety of artifact types — from Debian packages to OCI images and cloud images — only adds to the complexity. Over the past decade, Canonical has… ## [Introducing Debcrafters](https://jnsgr.uk/2025/06/introducing-debcrafters/) _2025-06-30 · Blog on Jon Seager_ This article was originally posted on the Ubuntu Discourse , and is reposted here. I welcome comments and further discussion in that thread. Earlier this year, Canonical’s Ubuntu Engineering organisation gained a new team, seeded with some of our most prolific contributors to Ubuntu. Debcrafters is a new team dedicated to the maintenance of the Ubuntu Archive. The team’s primary goal… ## [From NixOS to Ubuntu](https://jnsgr.uk/2025/06/from-nixos-to-ubuntu/) _2025-06-24 · Blog on Jon Seager_ Following my appointment as VP Engineering for Ubuntu, I moved all of my machines from NixOS to Ubuntu. Being responsible for decisions that affect millions of Ubuntu users comes with, in my opinion, the obligation to use the product and live with those decisions myself. Following years of running Arch Linux and NixOS, I imagined this would be uncomfortable, but was pleasantly surprised. In this… ## [Supercharging Ubuntu Releases: Monthly Snapshots & Automation](https://jnsgr.uk/2025/05/supercharging-ubuntu-releases/) _2025-05-29 · Blog on Jon Seager_ This article was originally posted on the Ubuntu Discourse , and is reposted here. I welcome comments and further discussion in that thread. Introduction # Ubuntu has shipped on a predictable, six-month cadence for two decades. Twenty years ago, the idea of releasing an entire distribution every six months was considered forward looking, bold and even difficult. Things have changed since then:… ## [Adopting sudo-rs By Default in Ubuntu 25.10](https://jnsgr.uk/2025/05/adopting-sudo-rs-by-default-in-ubuntu/) _2025-05-06 · Blog on Jon Seager_ This article was originally posted on the Ubuntu Discourse , and is reposted here. I welcome comments and further discussion in that thread. Introduction # Following on from Carefully But Purposefully Oxidising Ubuntu , Ubuntu will be the first major Linux distribution to adopt sudo-rs as the default implementation of sudo , in partnership with the Trifecta Tech Foundation The change will be… ## [Revitalising Ubuntu Project Documentation](https://jnsgr.uk/2025/04/revitalising-ubuntu-project-documentation/) _2025-04-01 · Blog on Jon Seager_ This article was originally posted on the Ubuntu Discourse , and is reposted here. I welcome comments and further discussion in that thread. Introduction # Back in February I wrote some thoughts on Ubuntu’s documentation and its role within the community. For a mostly-online software community, documentation is one of our most critical forms of communication. In the last two years there has… ## [Carefully But Purposefully Oxidising Ubuntu](https://jnsgr.uk/2025/03/carefully-but-purposefully-oxidising-ubuntu/) _2025-03-12 · Blog on Jon Seager_ This article was originally posted on the Ubuntu Discourse , and is reposted here. I welcome comments and further discussion in that thread. Introduction # Last month I published Engineering Ubuntu For The Next 20 Years , which outlines four key themes for how I intend to evolve Ubuntu in the coming years. In this post, I’ll focus on “Modernisation”. There are many areas we could… ## [Own Your Calendar](https://jnsgr.uk/2025/03/own-your-calendar/) _2025-03-03 · Blog on Jon Seager_ Introduction # Over the past few years, I’ve come to a series of realisations about how I can get the most from my calendar, or rather how to get the most from my time at work, while preventing work from spilling out into my personal life too much. Staying on top of my calendar has helped me manage my time better. It helps me get more done, and set reasonable work-life boundaries. Calendar… ## [Crush Every Threat in Real Time (Sponsored)](https://crawlproof.com/a/qAVqO9VED6Sy) _2025-03-02 · **Sponsored**_ One agent for real-time detection, exposure tracking, and active defense. ## [Engineering Ubuntu For The Next 20 Years](https://jnsgr.uk/2025/02/engineering-ubuntu-for-the-next-20-years/) _2025-02-11 · Blog on Jon Seager_ This article was originally posted on the Ubuntu Discourse , and is reposted here. I welcome comments and further discussion in that thread. Introduction # I’ve been a VP Engineering at Canonical for 3 years now, building Juju and our catalog of charms . In the last week of January, I was appointed the VP Engineering for Ubuntu at Canonical, where I will now oversee the Ubuntu Foundations,… ## [Packaging the Multipass Flutter GUI for NixOS](https://jnsgr.uk/2025/01/packaging-multipass-flutter-app-for-nix/) _2025-01-16 · Blog on Jon Seager_ Introduction # The very first application I ever packaged in nixpkgs was Multipass . Multipass is, according to the website: a CLI to launch and manage VMs on Windows, Mac and Linux that simulates a cloud environment with support for cloud-init. I wrote in some detail about how I use Multipass and LXD on my workstation to create and manage VMs for testing and development. Last year Multipass… ## [Experimenting with Rust, Nix, K6 and Parca](https://jnsgr.uk/2024/12/experiments-with-rust-nix-k6-parca/) _2024-12-01 · Blog on Jon Seager_ Introduction # Over the past couple of weeks, I’ve been teaching myself Rust . I don’t have a pressing need to write much Rust right now, but I’m intrigued by the promises of memory safety, and have been increasingly impressed at the quality of some of the software that the community produces. I also think that the concepts popularised by Rust, such as the borrow checker , will… ## [Hot Tub Monitoring with Home Assistant and ESPHome](https://jnsgr.uk/2024/11/hot-tub-monitoring-with-esphome/) _2024-11-12 · Blog on Jon Seager_ Introduction # This year we put a wood-fired hot tub in our back garden. It’s a total indulgence and a real treat. I originally purchased the tub for my wife, but I must admit to having grown quite fond of it myself! The tub itself is made from Canadian Redwood Cedar. The photo below was taken shortly after it was assembled, so there is still a little bit of leakage which stopped a few days… ## [Writing a Home Assistant Core Integration: Part 2](https://jnsgr.uk/2024/10/writing-a-home-assistant-integration/) _2024-10-16 · Blog on Jon Seager_ Introduction # In my last post I described the first steps toward creating a new Home Assistant integration for the underfloor heating system in my house. In that post I outlined in detail how I set about creating a Python client for the API provided by the underfloor heating controller vendor. In this post, I’ll describe the development setup, project structure and contribution process for… ## [Writing a Home Assistant Core Integration: Part 1](https://jnsgr.uk/2024/09/pytouchlinesl/) _2024-09-11 · Blog on Jon Seager_ Introduction # Back in March, my family and I moved into a new home. It’s a modern construction which came with solar panels (and associated inverter/battery storage), and uses an air source heat pump to heat the house with underfloor heating. Being a new renovation, nearly all of the appliances and components in the house have a form of internet connectivity (some more useful than others!).…