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#bootablecontainers

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Timothée Ravier<p>We are bringing UKI and strong boot integrity guarantees with composefs to Bootable Containers. We demonstrated our latest progress on that front at DevConf.cz 2025: <a href="https://pretalx.devconf.info/devconf-cz-2025/talk/739KGC/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">pretalx.devconf.info/devconf-c</span><span class="invisible">z-2025/talk/739KGC/</span></a></p><p><a href="https://floss.social/tags/Fedora" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Fedora</span></a> <a href="https://floss.social/tags/BootableContainers" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BootableContainers</span></a> <a href="https://floss.social/tags/bootc" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>bootc</span></a> <a href="https://floss.social/tags/UKI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>UKI</span></a> <a href="https://floss.social/tags/composefs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>composefs</span></a></p>
BlueBuild<p>You can thank `bootc`, `/usr/lib/bootc/kargs.d/`, and <span class="h-card" translate="no"><a href="https://mastodon.social/@fiftydinar" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>fiftydinar</span></a></span> for your new ability to include kargs in your native container image.</p><p>Just make sure to update with `bootc` instead of `rpm-ostree`.</p><p>Check it out!</p><p><a href="https://blue-build.org/reference/modules/kargs/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">blue-build.org/reference/modul</span><span class="invisible">es/kargs/</span></a></p><p><a href="https://fosstodon.org/tags/BlueBuild" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BlueBuild</span></a> <a href="https://fosstodon.org/tags/FedoraAtomic" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FedoraAtomic</span></a> <a href="https://fosstodon.org/tags/Containers" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Containers</span></a> <a href="https://fosstodon.org/tags/OCI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OCI</span></a> <a href="https://fosstodon.org/tags/Fedora" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Fedora</span></a> <a href="https://fosstodon.org/tags/imagebased" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>imagebased</span></a> <a href="https://fosstodon.org/tags/bootc" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>bootc</span></a> <a href="https://fosstodon.org/tags/BootableContainers" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BootableContainers</span></a></p>
Timothée Ravier<p>With Allison, I presented at FOSDEM how we can combine UKI, composefs and containers to build a fully signed boot chain. The slides and the recording are now available: <a href="https://fosdem.org/2025/schedule/event/fosdem-2025-5191--signed-sealed-and-delivered-with-ukis-and-composefs/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">fosdem.org/2025/schedule/event</span><span class="invisible">/fosdem-2025-5191--signed-sealed-and-delivered-with-ukis-and-composefs/</span></a></p><p>This is how we are planning to bring boot chain integrity to Bootable Containers.</p><p>This is a follow up on the initial work that we presented last year at <span class="h-card" translate="no"><a href="https://fosstodon.org/@allsystemsgo" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>allsystemsgo</span></a></span>: <a href="https://cfp.all-systems-go.io/all-systems-go-2024/talk/HVEZQQ/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">cfp.all-systems-go.io/all-syst</span><span class="invisible">ems-go-2024/talk/HVEZQQ/</span></a></p><p><a href="https://floss.social/tags/BootableContainers" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BootableContainers</span></a> <a href="https://floss.social/tags/bootc" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>bootc</span></a> <a href="https://floss.social/tags/Fedora" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Fedora</span></a> <a href="https://floss.social/tags/CoreOS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CoreOS</span></a> <a href="https://floss.social/tags/AtomicDesktpos" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtomicDesktpos</span></a> <a href="https://floss.social/tags/FedoraCoreOS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FedoraCoreOS</span></a> <a href="https://floss.social/tags/FOSDEM" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FOSDEM</span></a> <a href="https://floss.social/tags/FOSDEM2025" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FOSDEM2025</span></a></p>
BlueBuild<p>There's a big new update to the BlueBuild CLI, with some real nice DX upgrades. Thanks <span class="h-card" translate="no"><a href="https://mastodon.social/@gmpinder" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>gmpinder</span></a></span> 💙 </p><p>Make sure to read our release blog for a full list of features; and breaking changes!</p><p><a href="https://blue-build.org/blog/v090-features-changes/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">blue-build.org/blog/v090-featu</span><span class="invisible">res-changes/</span></a></p><p><a href="https://fosstodon.org/tags/BlueBuild" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BlueBuild</span></a> <a href="https://fosstodon.org/tags/FedoraAtomic" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FedoraAtomic</span></a> <a href="https://fosstodon.org/tags/Containers" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Containers</span></a> <a href="https://fosstodon.org/tags/OCI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OCI</span></a> <a href="https://fosstodon.org/tags/UniversalBlue" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>UniversalBlue</span></a> <a href="https://fosstodon.org/tags/Fedora" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Fedora</span></a> <a href="https://fosstodon.org/tags/ImageBased" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ImageBased</span></a> <a href="https://fosstodon.org/tags/BootableContainers" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BootableContainers</span></a> <a href="https://fosstodon.org/tags/Linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Linux</span></a> <a href="https://fosstodon.org/tags/OpenSource" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OpenSource</span></a> <a href="https://fosstodon.org/tags/CloudNative" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CloudNative</span></a> <a href="https://fosstodon.org/tags/uBlue" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>uBlue</span></a></p>
Timothée Ravier<p>Bootable Containers are the future of Fedora Atomic Desktops and we presented that at <span class="h-card" translate="no"><a href="https://fosstodon.org/@allsystemsgo" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>allsystemsgo</span></a></span>.</p><p>Introduction by <span class="h-card" translate="no"><a href="https://fosstodon.org/@cgwalters" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>cgwalters</span></a></span> and Ben: <a href="https://media.ccc.de/v/all-systems-go-2024-266-bootc-generating-an-ecosystem-around-bootable-oci-containers" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">media.ccc.de/v/all-systems-go-</span><span class="invisible">2024-266-bootc-generating-an-ecosystem-around-bootable-oci-containers</span></a></p><p>Then take a look at how we could use sysext's to improve the local layering story with <span class="h-card" translate="no"><a href="https://fosstodon.org/@tormath1" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>tormath1</span></a></span>: <a href="https://media.ccc.de/v/all-systems-go-2024-313-waiter-an-os-please-with-some-sysext-sprinkled-on-top" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">media.ccc.de/v/all-systems-go-</span><span class="invisible">2024-313-waiter-an-os-please-with-some-sysext-sprinkled-on-top</span></a></p><p>And then finally dive into Trusted Boot with UKI and composefs with <span class="h-card" translate="no"><a href="https://hachyderm.io/@jbtrystram" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>jbtrystram</span></a></span>: <a href="https://media.ccc.de/v/all-systems-go-2024-309-the-road-to-a-trusted-and-measured-boot-chain-in-bootable-containers" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">media.ccc.de/v/all-systems-go-</span><span class="invisible">2024-309-the-road-to-a-trusted-and-measured-boot-chain-in-bootable-containers</span></a></p><p><a href="https://floss.social/tags/Fedora" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Fedora</span></a> <a href="https://floss.social/tags/AtomicDesktops" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtomicDesktops</span></a> <a href="https://floss.social/tags/FedoraAtomic" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FedoraAtomic</span></a> <a href="https://floss.social/tags/BootableContainers" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BootableContainers</span></a> <a href="https://floss.social/tags/ASG2024" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ASG2024</span></a> <a href="https://floss.social/tags/AllSystemGo" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AllSystemGo</span></a> <a href="https://floss.social/tags/AllSystemsGo2024" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AllSystemsGo2024</span></a></p>
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