Mounting OS Disk tips
The OS partitioning I like to have on my devices is similar to this:
block_device
|- EFI
|- /boot
|- LUKS encrypted partition
|- LVM PV
|- [lvm lv] /
|- [lvm lv] swap
|- [lvm lv] /home
Manually Mounting
A quick reminder on how to manually mount such a layout, i.e. on a live CD:
cryptsetup open /dev/nvme0n1p3 os pvscan lvscan mkdir -p /sysroot mount /dev/mapper/vgkubuntu-root /sysroot mount /dev/mapper/vgkubuntu-home /sysroot/home mount /dev/nvmep0n1p2 /boot mount /dev/nvmep0n1p1 /boot/EFI
Syncing data while keeping all permissions
rsync -avHAXW --numeric-ids --rsync-path='sudo rsync' /sysroot/ user@target_host@target_path