{"id":8459,"date":"2026-01-31T18:20:41","date_gmt":"2026-01-31T18:20:41","guid":{"rendered":"https:\/\/villpress.com\/?p=8459"},"modified":"2026-01-31T18:20:55","modified_gmt":"2026-01-31T18:20:55","slug":"systemd-creator-lennart-poettering-leaves-microsoft-to-co-found-linux-integrity-startup-amutable","status":"publish","type":"post","link":"https:\/\/villpress.com\/fr\/systemd-creator-lennart-poettering-leaves-microsoft-to-co-found-linux-integrity-startup-amutable\/","title":{"rendered":"Systemd Creator Lennart Poettering Leaves Microsoft to Co-Found Linux Integrity Startup Amutable"},"content":{"rendered":"<p>Lennart Poettering, the influential developer behind systemd, the controversial yet ubiquitous init system powering modern Linux distributions, has quietly departed Microsoft to launch <a target=\"_blank\" rel=\"nofollow\" href=\"https:\/\/villpress.com\/goto\/https:\/\/amutable.com\/blog\/introducing-amutable\">Amutable<\/a>, a Berlin-based startup dedicated to bolstering Linux&#8217;s trustworthiness through cryptographically verifiable integrity from build to runtime.<\/p>\n\n\n\n<p>Poettering, who joined Microsoft in 2022 after a storied career at Red Hat where he spearheaded systemd&#8217;s development, announced his move on January 28, 2026, via a blog post, framing it as a mission to &#8220;prove Linux can be trusted&#8221; by addressing gaps in deterministic builds and runtime verification. At Amutable, he serves as Chief Engineer alongside CTO Christian Brauner, a Linux kernel maintainer known for LXC and LXD, and CEO Chris K\u00fchl, formerly of the GNOME Foundation. The trio&#8217;s venture aims to create tools ensuring Linux systems are tamper-proof and reproducible, tackling issues like supply chain attacks that have plagued open-source ecosystems.<\/p>\n\n\n\n<p>&#8220;Determinism and verifiable integrity are an urgent need,&#8221; Poettering wrote in his announcement, highlighting how current Linux distributions often produce non-identical binaries from the same source code due to build variations, making verification a nightmare. Amutable plans to develop open-source solutions for cryptographic signing, reproducible builds, and runtime checks, potentially integrating with existing tools like systemd to create &#8220;immutable&#8221; Linux environments resistant to tampering. The company, self-funded initially, is hiring and focusing on enterprise and cloud applications where security is paramount.<\/p>\n\n\n\n<p>Also Read: <a href=\"https:\/\/villpress.com\/microsoft-ends-send-to-kindle-integration-in-word-starting-february-2026\/\">Microsoft Ends \u2018Send to Kindle\u2019 Integration in Word Starting February 2026<\/a><\/p>\n\n\n\n<p>Poettering&#8217;s exit from Microsoft, where he contributed to systemd&#8217;s integration with Windows Subsystem for Linux and Azure, has sparked speculation in open-source circles. Some see it as a return to Linux roots, while others on forums like Hacker News express wariness about potential ties to Microsoft&#8217;s ecosystem or broader &#8220;war on general computing.&#8221; Poettering, no stranger to controversy, systemd&#8217;s adoption in the 2010s sparked heated debates over Linux&#8217;s direction, addressed skeptics indirectly, emphasizing Amutable&#8217;s focus on open-source principles.<\/p>\n\n\n\n<p>This move comes amid a surge in Linux security initiatives, following high-profile breaches like the XZ Utils backdoor in 2024.<\/p>\n\n\n\n<p>Microsoft, which has deepened its Linux embrace since Poettering&#8217;s hire, wished him well but offered no further comment. In an era of rising cyber threats, Amutable&#8217;s focus on verifiable Linux could attract enterprises wary of open-source risks, but it also reignites debates over who controls the OS&#8217;s future, Big Tech alumni or the community at large.<\/p>","protected":false},"excerpt":{"rendered":"<p>Lennart Poettering, the influential developer behind systemd, the controversial yet ubiquitous init system powering modern Linux distributions, has quietly departed Microsoft to launch Amutable, a Berlin-based startup dedicated to bolstering Linux&#8217;s trustworthiness through cryptographically verifiable integrity from build to runtime. Poettering, who joined Microsoft in 2022 after a storied career at Red Hat where he [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":8460,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"footnotes":""},"categories":[382],"tags":[1263,1264,513,1265],"ppma_author":[332],"class_list":{"0":"post-8459","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-career-job","8":"tag-lennart-poettering","9":"tag-linux","10":"tag-microsoft","11":"tag-systemd"},"authors":[{"term_id":332,"user_id":3,"is_guest":0,"slug":"sebastianhills","display_name":"Sebastian Hills","avatar_url":"https:\/\/villpress.com\/wp-content\/uploads\/2024\/08\/sebas-96x96.jpg","0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""}],"_links":{"self":[{"href":"https:\/\/villpress.com\/fr\/wp-json\/wp\/v2\/posts\/8459","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/villpress.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/villpress.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/villpress.com\/fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/villpress.com\/fr\/wp-json\/wp\/v2\/comments?post=8459"}],"version-history":[{"count":1,"href":"https:\/\/villpress.com\/fr\/wp-json\/wp\/v2\/posts\/8459\/revisions"}],"predecessor-version":[{"id":8462,"href":"https:\/\/villpress.com\/fr\/wp-json\/wp\/v2\/posts\/8459\/revisions\/8462"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/villpress.com\/fr\/wp-json\/wp\/v2\/media\/8460"}],"wp:attachment":[{"href":"https:\/\/villpress.com\/fr\/wp-json\/wp\/v2\/media?parent=8459"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/villpress.com\/fr\/wp-json\/wp\/v2\/categories?post=8459"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/villpress.com\/fr\/wp-json\/wp\/v2\/tags?post=8459"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/villpress.com\/fr\/wp-json\/wp\/v2\/ppma_author?post=8459"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}