Thank you folks for all the information! It may also be worth noting that some packages, when installed, will also cause the kernel to update, and break the boot process until your kernel image is again manually decompressed. I'm going soon to try this one on my Pi. I'm wondering one thing - do you ...

Thank you folks for all the information! @jsciamms I'm going soon to try this one on my Pi. I'm wondering one thing - do you know what is the exact command that is used when the OS updates the kernel? What I'm thinking is wrapping that command to do the uncompressing the image every time! You can do...

I still boot Ubunutu 20.04 via sdcard. Is it possible to boot now without sdcard in Ubuntu? I know that it is possible with Raspberry Pi OS.