Darik’s Boot And Nuke , After dban unable to boot linux or any os


i have used Darik’s Boot And Nuke , to delete my 2 laptop’s hd , so … after that i have installed without problems linux and everything was ok.

but they did not boot…. but i have fixed thank to irc guys again

so why ? i dunno anyway i have followed these tutorial to fix mbr :

1 i have done this but i don’t believe that it’s necessary : (note i had only linux so i have installed in the first partition that is called sda in my system you need to change the code if yours it’s different , sudo fdisk -l will help you to understand where is windows if you have , or the first partition anyway.)

sudo fdisk -l ; sudo ms-sys -w /dev/sdxxx

then

i have just restored grub2

note that fdisk should tell you where is installed kubuntu , if you don’t know just try to see where is installed with a live cd .

so i will use sda1 cuz my system was installed on sda… change the code if you need it

sudo fdisk -l ; sudo mount /dev/sda1 /mnt ; sudo mount --bind /dev /mnt/dev; sudo mount --bind /proc /mnt/proc; sudo mount --bind /sys /mnt/sys ; sudo chroot /mnt ; grub-install /dev/sda ;  update-grub2

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