Pid Eins

25 Jun 2026

On June 19 we released systemd v261 [into the wild](https://github.com/systemd/systemd/releases/tag/v261). In the weeks leading up to that release (and since then) I have posted a series of serieses

26 Mar 2026

On March 17 we released systemd v260 [into the wild](https://github.com/systemd/systemd/releases/tag/v260). In the weeks leading up to that release (and since then) I have posted a series of

26 Jan 2026

Today, we announce Amutable, our ✨ new ✨ company. We – [@blixtra@hachyderm.io](https://mastodon.social/@blixtra@hachyderm.io), [@brauner@mastodon.social](https://mastodon.social/@brauner),

30 Dec 2025

On Dec 17 we released systemd v259 [into the wild](https://github.com/systemd/systemd/releases/tag/v259). In the weeks leading up to that release (and since then) I have posted a series of serieses

17 Nov 2025

Already on Sep 17 we released systemd v258 [into the wild](https://lists.freedesktop.org/archives/systemd-devel/2025-September/051670.html). In the weeks leading up to that release I have posted a

11 Jun 2025

**The All Systems Go! 2025 Call for Participation Closes Tomorrow!** The Call for Participation (CFP) for [All Systems Go! 2025](https://all-systems-go.io/) will close *tomorrow*, on 13th of June!

16 Dec 2024

Last week we released systemd v257 [into the wild](https://lists.freedesktop.org/archives/systemd-devel/2024-December/050995.html). In the weeks leading up to this release (and the week after) I

11 Jun 2024

Yesterday evening we released systemd v256 into the wild. While other projects, [such as Firefox](https://www.mozilla.org/en-US/firefox/127.0/releasenotes/) are just about to leave the 7bit world and

9 Jan 2024

> This is a guest post written by Daan De Meyer, systemd and mkosi maintainer Almost 7 years ago, Lennart first [wrote](https://0pointer.net/blog/mkosi-a-tool-for-generating-os-images.html) about

3 Jul 2023

**The All Systems Go! 2023 Call for Participation Closes in Three Days!** The Call for Participation (CFP) for [All Systems Go! 2023](https://all-systems-go.io/) will close *in three days*, on 7th

2 Nov 2022

# 💽 Linux Boot Partitions and How to Set Them Up 🚀 *Let’s have a look how traditional Linux distributions set up `/boot/` and the ESP, and how this could be improved.* How Linux

23 Oct 2022

# 🔐 Brave New Trusted Boot World 🚀 *This document looks at the boot process of general purpose Linux distributions. It covers the status quo and how we envision Linux boot to work in the

2 May 2022

*TLDR: Hermetic `/usr/` is awesome; let's popularize image-based OSes with modernized security properties built around immutability, SecureBoot, TPM2, adaptability, auto-updating, factory reset,

26 Apr 2022

[I recently blogged](https://0pointer.net/blog/running-an-container-off-the-host-usr.html) about how to run a volatile `systemd-nspawn` container from your host's `/usr/` tree, for quickly testing

5 Apr 2022

Apparently, in some parts of [this world](https://lwn.net/Articles/890219/), the `/usr/`-merge transition is still ongoing. Let's take the opportunity to have a look at one specific way to take

22 Sep 2021

# The Strange State of Authenticated Boot and Disk Encryption on Generic Linux Distributions *TL;DR: Linux has been supporting Full Disk Encryption (FDE) and technologies such as UEFI SecureBoot and

10 Jun 2021

*TL;DR: Tag your GPT partitions with the right, descriptive partition types, and the world will become a better place.* A number of years ago we started the [Discoverable Partitions

18 May 2021

*TL;DR: don't use `select()` + bump the `RLIMIT_NOFILE` soft limit to the hard limit in your modern programs.* The primary way to reference, allocate and pin runtime OS resources on Linux today are

12 Jan 2021

*TL;DR: It's now easy to unlock your LUKS2 volume with a FIDO2 security token (e.g. YubiKey, Nitrokey FIDO2, AuthenTrend ATKey.Pro). And TPM2 unlocking is easy now too.* Blogging is a lot of work,

14 Jul 2019

**The All Systems Go! 2019 Call for Participation Re-Opened for ONE DAY!** Due to popular request we have re-opened the Call for Participation (CFP) for [All Systems Go!

2 Apr 2019

# Portable Services Walkthrough (Go Edition) A few months ago I posted [a blog story with a walkthrough of systemd Portable

10 Sep 2018

**All Systems Go! 2018 Tickets Selling Out Quickly!** Buy your tickets for [All Systems Go! 2018](https://all-systems-go.io/) soon, they are quickly selling out! The conference takes place on

29 Jul 2018

**The All Systems Go! 2018 Call for Participation Closes TODAY!** The Call for Participation (CFP) for [All Systems Go! 2018](https://all-systems-go.io/) will close *TODAY*, on 30th of July! We’d

22 Jul 2018

**The All Systems Go! 2018 Call for Participation Closes in One Week!** The Call for Participation (CFP) for [All Systems Go! 2018](https://all-systems-go.io/) will close *in one week*, on 30th of

26 Jun 2018

# Portable Services with systemd v239 [systemd v239](https://lists.freedesktop.org/archives/systemd-devel/2018-June/040879.html) contains a great number of new features. One of them is first class

20 May 2018

**The All Systems Go! 2018 Call for Participation is Now Open!** The Call for Participation (CFP) for [All Systems Go! 2018](https://all-systems-go.io/) is now open. We’d like to invite you to

23 Oct 2017

The [GNOME.Asia Summit 2017](https://2017.gnome.asia/) organizers invited to me to speak at their conference in Chongqing/China, and it was an excellent event! Here's my brief report:

23 Oct 2017

For those living under a rock, the videos from everybody's favourite Userspace Linux Conference [*All Systems Go!* 2017](https://all-systems-go.io/) are now available online. [All

8 Oct 2017

*TL;DR: systemd now can do per-service IP traffic accounting, as well as access control for IP address ranges.* Last Friday we released [systemd

5 Oct 2017

*TL;DR: you may now configure systemd to dynamically allocate a UNIX user ID for service processes when it starts them and release it when it stops them. It's pretty secure, mixes well with transient

26 Sep 2017

**The All Systems Go! 2017 schedule has been published!** I am happy to announce that we have published the [All Systems Go! 2017](https://all-systems-go.io/) schedule! We are very happy with the

29 Aug 2017

**The All Systems Go! 2017 Call for Participation is Closing on September 3rd!** Please make sure to get your presentation proprosals for*All Systems Go! 2017* in now! The CfP closes on sunday!

9 Aug 2017

**The All Systems Go! 2017 Headline Speakers Announced!** Don't forget to send in your submissions to the All Systems Go! 2017 CfP! Proposals are accepted until **September 3rd**! A couple of

17 Jul 2017

# Video of my casync Presentation @ kinvolk The great folks at [kinvolk](https://kinvolk.io/) have uploaded a [video of my casync presentation at their offices last

27 Jun 2017

# Introducing mkosi After blogging about [`casync`](http://0pointer.net/blog/casync-a-tool-for-distributing-file-system-images.html) I realized I never blogged about the

19 Jun 2017

**The All Systems Go! 2017 Call for Participation is Now Open!** We’d like to invite presentation proposals for *All Systems Go! 2017*!

19 Jun 2017

# Introducing casync In the past months I have been working on a new project: [`casync`](https://github.com/systemd/casync/). `casync` takes inspiration from the popular

6 Dec 2016

# Avoiding CVE-2016-8655 with systemd Just a quick note: on recent versions of [systemd](https://www.freedesktop.org/wiki/Software/systemd/) it is relatively easy to block the vulnerability

4 Oct 2016

# systemd.conf 2016 is Over Now! A few days ago [systemd.conf 2016](https://systemd.io/) ended, our second conference of this kind. I personally enjoyed this conference a lot: the talks, the

17 Sep 2016

# Tickets for systemd 2016 Workshop day still available! We still have a number of ticket for the workshop day of [systemd.conf 2016](https://conf.systemd.io/) available. If you are a newcomer to

15 Aug 2016

# A Preliminary systemd.conf 2016 Schedule is Now Available! We have just published a first, preliminary version of the [systemd.conf 2016

27 Jul 2016

Please note that the [systemd.conf 2016](https://conf.systemd.io/) Call for Participation ends on Monday, on **Aug. 1st**! Please send in your talk proposal by then! We’ve already got a good number

18 Jul 2016

Please note that the [systemd.conf 2016](https://conf.systemd.io/) Call for Participation ends in less than two weeks, on **Aug. 1st**! Please send in your talk proposal by then! We’ve already got

11 May 2016

# The systemd.conf 2016 Call for Participation is Now Open! We’d like to invite presentation and workshop proposals for [systemd.conf 2016](https://systemd.io/)! The conference will consist of

3 Apr 2016

# Announcing systemd.conf 2016 We are happy to announce the 2016 installment of systemd.conf, the conference of the systemd project! After our successful first conference 2015 we’d like to repeat

18 Nov 2015

# The Event Loop API of libsystemd When we began working on [systemd](https://wiki.freedesktop.org/www/Software/systemd/) we built it around a hand-written ad-hoc event loop, wrapping [Linux

8 Nov 2015

# systemd.conf 2015 is Over Now! Last week our first [systemd.conf](https://systemd.events/) conference took place at betahaus, in Berlin, Germany. With almost 100 attendees, a dense schedule of 23

18 Oct 2015

# Second Round of systemd.conf 2015 Sponsors We are happy to announce the second round of [systemd.conf 2015](https://systemd.events/) sponsors! In addition to those from [the first

22 Sep 2015

# Only 14 tickets still available! systemd.conf 2015 is close to being sold out, there are *only* *14* *tickets* *left* now. If you haven't bought your ticket yet, now is the time to do it, because

15 Sep 2015

# A Preliminary systemd.conf 2015 Schedule is Now Online! We are happy to announce that an initial, preliminary version of the [systemd.conf 2015