mkdir oldroot newroot oldhome newhome
sudo mount -o ro /dev/sda1 oldroot
sudo mount -o ro /dev/sda2 oldhome
ls oldroot
ls oldhome

sudo mount /dev/sdc1 newroot
sudo mount /dev/sdc2 newhome
ls newroot
ls newhome

sudo cp -Rfax oldroot/* newroot/
sudo cp -Rfax oldhome/* newhome/

sudo umount oldroot
sudo umount oldhome
sudo umount newroot
sudo umount newhome
sync

mkdir newroot
sudo mount /dev/sda1 newroot
sudo chroot newroot /bin/bash
mount -t devtmpfs udev /dev
mount -t proc proc /proc
mount -t sysfs sysfs /sys
nano -w /etc/fstab

update-grub
grub-install /dev/sda

umount /sys
umount /proc
umount /dev
exit
sudo umount newroot
sync