There are something like three types of distros for the uConsole:
- the official image (which isn’t even worth trying)
- Arch Linux
- Debian Linux
The other images are spins of Debian, unless I missed something interesting. Either Arch or Debian probably have the same packages available; I use debtap to use Debian packages on Arch and I bet some enterprising scrap has made the same to go the opposite direction. Dual booting here just seems a bit dull; choose between Linux, Linux, or (ooooh!) Linux.
How hard is it to replace the onboard eMMC if it dies? I’ve experienced NAND wear on plenty of devices in the last 10 years.