Re: F37 Change: Enable read only /sysroot for Fedora Silverblue & Kinoite (Self-Contained Change proposal)

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Very good,
Thank you for further clarification.

Stephen

On Wed, 2022-02-16 at 18:18 +0000, Timothée Ravier wrote:
> > I use Silverblue. How does this affect my ability to modify /etc in
> > the
> > opt-in scenario? Does rpm-ostree offer a method to modify /etc in
> > that
> > case? What if I want a mutable /var, like I currently have, does
> > this
> > change under this proposal? What is the value of this for the
> > normal
> > Fedora Linux user?
> 
> Note that this is only about `/sysroot`, not `/` (root). Thus `/etc`
> and `var` are still writable in all cases.
> 
> > I don't know. I think not being able to boot into my previous
> > deployments a visible change to my user experience.
> 
> Once the new option has been set, you will have to append `rw` to the
> kernel command line to previous deployments that were created before.
> 
> We could also probably make this even more conservative and have it
> only enabled once all your deployments have the new kernel option.
> This should avoid the case where you can not bee an older deployment
> anymore.
> 
> The idea is to make the update happen in two steps:
> - First add the `rw` kernel arguments,
> - Then set up the `sysroot.readonly` option once all previous
> deployments have the rw option.
> 
> --
> Timothée Ravier
> CoreOS engineer & Fedora Kinoite maintainer
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