Boot confusion

[Ralf Mardorf]

On Tue, 2021-06-08 at 08:32 +0200, Ralf Mardorf via ubuntu-users wrote:
> I either restore from a backup by extracting an archive or I run
> 
>   sudo cp -ai source_root_directory/* target_mount_point/; echo $?
> 
> if echo $? returns 0, all is good, assuming the root directory doesn't
> contain hidden items. If the root directory contains hidden items,
> those need to be copied, too.

FWIW the root directory is

  /

not

  /root/

;).