ubuntu bad sector check

source : http://linux-sys-adm.com/how-to-check-for-bad-sectors-ubuntu-linux/

sudo fdisk -l

sudo badblocks -v /dev/sda1 > /home/mslavov/bad-sectors.txt

sudo fsck -t ext4 -l /home/mslavov/bad-sectors.txt /dev/sda1

* above just exemples....