Ho to delete Kali Linux partition?

Question

I installed Ubuntu 64bits alongside with Kali linux and now i want to delete the Kali so that Ubuntu takes all the disk space (1 Tb)

Answer 1

1. Boot a live DvD/USB.
2. Use Gparted and delete the Kali partiton.
3. Resize the Ubuntu partition so it takes up the rest of the drive.
4. Apply the changes.
5. Use Boot Repair to fix GRUB.

Answer 2

Try the program GParted. You can use it to delete a partition and then resize another existing one to take up its space.