--- title: SystemD wants App Tracking on Linux | daily.dev description: Systemd is proposing a new component called systemd-appd that tracks running applications and their permissions, building on earlier work like PIDFD-based... canonical: https://daily.dev/posts/systemd-wants-app-tracking-on-linux-ass2js3yi twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: SystemD wants App Tracking on Linux | daily.dev og:description: Systemd is proposing a new component called systemd-appd that tracks running applications and their permissions, building on earlier work like PIDFD-based... og:url: https://daily.dev/posts/systemd-wants-app-tracking-on-linux-ass2js3yi og:image: https://api.daily.dev/og/posts/aSs2Js3yi.png og:image:alt: SystemD wants App Tracking on Linux og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # SystemD wants App Tracking on Linux **[SavvyNik](https://daily.dev/sources/savvynik)** · 8 min read · 0 upvotes · 0 comments ## Summary Systemd is proposing a new component called systemd-appd that tracks running applications and their permissions, building on earlier work like PIDFD-based sandbox authentication and cgroup extended attributes. Initially targeted at Flatpak apps, it aims to let desktop services like D-Bus, PipeWire, and Wayland compositors reliably identify which application is making a request and what permissions it holds, similar to app identity models on Android and macOS. The piece frames this as improving sandboxing rather than being a spyware tracker, while acknowledging community concerns about systemd's growing scope and centralization of critical desktop infrastructure. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### What is systemd-appd and why is it being proposed? Systemd-appd is a proposed centralized service that tracks running application instances and their permissions, letting session services like D-Bus, PipeWire, and Wayland compositors reliably identify which app is making a request and what it is allowed to do. It builds on PIDFD-based process identification and cgroup extended attributes, and is initially targeted at Flatpak sandboxed apps as a prerequisite for nested sandboxing and removing the D-Bus proxy. _Developers tracking how Linux sandboxing and permission models evolve can follow systemd changes like this on daily.dev._ ### Why can't Flatpak apps reliably talk to services like D-Bus or PipeWire today? Because Flatpak sandboxes bundle shared libraries and isolate applications, it is hard for services to reliably identify which sandboxed app instance is making a request and what permissions that instance should have. Prior work used PIDFDs for race-free process identification, but lacked a standardized way to map a process to its sandbox and application identity, which systemd-appd aims to solve. _Anyone building or packaging Flatpak apps can track sandboxing and permission updates like this via daily.dev._ ## Similar posts on daily.dev - [systemd-appd Is A New Component Being Planned By Flatpak Developers](https://daily.dev/posts/systemd-appd-is-a-new-component-being-planned-by-flatpak-developers-jyk6bcpzn) · Phoronix · 0 upvotes · 0 comments - [Flatpak will depend on systemd – OSnews](https://daily.dev/posts/flatpak-will-depend-on-systemd-osnews-rlgqb4jlf) · Lobsters · 0 upvotes · 0 comments - [Age verification on Systemd and Flatpak](https://daily.dev/posts/age-verification-on-systemd-and-flatpak-2dl2onnu2) · Hacker News · 0 upvotes · 0 comments - [Snap vs Flatpak: Which Linux packaging solution is right for you?](https://daily.dev/posts/snap-vs-flatpak-which-linux-packaging-solution-is-right-for-you--j9whj0epo) · All Things Open · 1 upvotes · 0 comments --- Tags: [#linux](https://daily.dev/tags/linux) [View this post on daily.dev](https://daily.dev/posts/systemd-wants-app-tracking-on-linux-ass2js3yi) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"SystemD wants App Tracking on Linux","url":"https://daily.dev/posts/systemd-wants-app-tracking-on-linux-ass2js3yi","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/systemd-wants-app-tracking-on-linux-ass2js3yi"},"datePublished":"2026-10-03T16:51:36.177Z","dateModified":"2026-10-03T16:51:54.389Z","description":"Systemd is proposing a new component called systemd-appd that tracks running applications and their permissions, building on earlier work like PIDFD-based...","image":"https://i.ytimg.com/vi/9XdLsMpVNvM/sddefault.jpg","thumbnailUrl":"https://i.ytimg.com/vi/9XdLsMpVNvM/sddefault.jpg","isAccessibleForFree":true,"articleSection":"SavvyNik","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"SavvyNik","logo":"https://media.daily.dev/image/upload/s--WqWN5vuC--/f_auto/v1743923591/logos/savvynik","url":"https://daily.dev/sources/savvynik"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/systemd-wants-app-tracking-on-linux-ass2js3yi","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"linux","timeRequired":"PT8M","video":{"@type":"VideoObject","name":"SystemD wants App Tracking on Linux","description":"Systemd is proposing a new component called systemd-appd that tracks running applications and their permissions, building on earlier work like PIDFD-based...","thumbnailUrl":"https://i.ytimg.com/vi/9XdLsMpVNvM/sddefault.jpg","uploadDate":"2026-10-03T16:51:36.177Z","duration":"PT8M","url":"https://api.daily.dev/r/aSs2Js3yi","embedUrl":"https://www.youtube.com/embed/9XdLsMpVNvM"}} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"SavvyNik","item":"https://daily.dev/sources/savvynik"},{"@type":"ListItem","position":3,"name":"SystemD wants App Tracking on Linux"}]} {"@context":"https://schema.org","@type":"FAQPage","@id":"https://daily.dev/posts/systemd-wants-app-tracking-on-linux-ass2js3yi#faq","mainEntity":[{"@type":"Question","name":"What is systemd-appd and why is it being proposed?","acceptedAnswer":{"@type":"Answer","text":"Systemd-appd is a proposed centralized service that tracks running application instances and their permissions, letting session services like D-Bus, PipeWire, and Wayland compositors reliably identify which app is making a request and what it is allowed to do. 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