On Fri, Feb 16, 2024 at 06:43:19PM -0600, Albretch Mueller wrote: > On 2/16/24, to...@tuxteam.de <to...@tuxteam.de> wrote: > > On Fri, Feb 16, 2024 at 01:44:22PM -0600, Albretch Mueller wrote:
[...] > > What is a "simple page" and what does "pixelation" mean in this > > context? Or is that irrelevant? > > A relatively simple, js-based web page I meant to say. Ah. A browser trying to render some thing from "out there". I see. > >> have searched and found out is that I will have to un/repack initramfs > >> ..., but I haven't found a relatively safe, complete procedure. > >> > >> How can you update the initramfs on read-only media? > > > > You can't. Initramfs resides in the boot medium. To update it, > > you have to write to said medium. > > Right on the Debian Kernel Handbook they tell you you may use > "initramfs hooks" for such things: > > > https://kernel-team.pages.debian.net/kernel-handbook/ch-update-hooks.html#s-initramfs-hooks > > even though I couldn't find exactly the > "/etc/initramfs/post-update.d/" directory used by update-initramfs > for post update hook options, I notice what seems to be a bunch of > those in: > > /usr/share/initramfs-tools/hooks/ AFAIK, those are rather to modify the result of the initramfs build in various ways (e.g. include additional software in the image, configure things in a different way, etc.). They are invoked at different steps in the build process. What you need, as others have said, is to rebuild your write-only medium. You can tell mkinitramfs to deposit its result in a regular file (option -o, the man page). How it goes to that read-only medium is left as an exercise to the reader (unless you tell us how you build that in the first place, that is :-) Usually it goes to somewhere /boot/initramfs.img, if /boot is mounted properly. Cheers -- t
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