- Create
/usr/share/initramfs-tools/hooks/parttoolsas above - Run
update-initramfs -u - Reboot
- Type
eon the Grub2 boot menu entry - Add
break=mountto thekernelline - In initramfs, run this (assuming
/dev/sda1is the to-be-resized disk):
e2fsck -f /dev/sda1
resize2fs /dev/sda1 20G