this post was submitted on 06 Jun 2025
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Interesting ... yeah it looks like Leapp can do some upgrades for Alma and possibly others as well (TIL). I'm not sure how well that upgrade process would compare / be supported vs Debian though.
What's the image mode and ostree stuff? Is that required for RHEL and/or Alma going forward?
No image mode is not required. It is the immutable mode for RHEL. Using image builder and bootc to create and upgrade your images. Ostree is sort of like putting your entire OS in git. For an upgrade it checks out a new branch, updates that branch, then you have to reboot into that branch. That makes the upgrade atomic and gives you the ability to rollback. It's what Core OS uses and what the Fedora Atomic desktops use. It's a much bigger thing in RHEL 10 and I suspect will take over a lot of the duties of Satellite at some point.
Ahhh so leapp will simply become less relevant because a better upgrade mechanism will take over
That's my thoughts anyway. The entire linux world seems to be heading the immutable direction.