Move and resize OMV system and swap partition

Local on OMV system:

Revert to run level 1

init 1

check swap partition

free

Turn off the swap partition

swapoff -v

check swap partition if it is off

free

comment out swap partition in fstab

nano //etc/fstab

#UUID=....

safe fstab

Reboot system into gparted live system

reboot

Adapt OMV system partition and swap partition in gparted.

reboot in OMV system

Use SSH to control OMV system:

comment in the previous commented out swap partition UUID in fstab

nano //etc/fstab

UUID=....

Copy the swap partition UUID Number from fstab

safe fstab

Assing to the new created swap partition the old UUID

mkswap -U "UUID" /dev/sdx

Force the kernel to re-read the partition table so that it is not necessary to perform a reboot. (is it needed?)

partprobe

Turn on the swap partition

swapon -v

check swap partition if it is on.

free