I’ll put some words around this at some point – but here it is as simple as possible. gparted extend /dev/sda2 fdisk /dev/sda create new logical partition set type to 8e pvcreate /dev/sda6 vgextend ubuntu /dev/sda6 vgdisplay – get free PE lvextend -L20GB /dev/ubuntu/root fsck -f /dev/ubuntu/root resize2fs /dev/ubuntu/root