Today I updated ubuntu and so newer kernel was also installed and grub added entry for it. Later I removed older kernel and headers but now when I run update-grub, it create extra entry for ubuntu 12.04 .
parijat@parijat-ThinkPad-T61:~$ sudo update-grub Generating grub.cfg ... Found linux image: /boot/vmlinuz-3.2.0-35-generic Found Ubuntu 12.04.1 LTS (12.04) on /dev/sda1 done
Please let me know how to fix this. thanks