When performing the sequence of commands:
sudo update-grub Searching for GRUB installation directory ... found: /boot/grub Searching for default file ... found: /boot/grub/default Testing for an existing GRUB menu.lst file ... found: /boot/grub/menu.lst Searching for splash image ... none found, skipping ... Found kernel: /boot/vmlinuz-3.5.0-25-generic Found kernel: /boot/vmlinuz-3.5.0-24-generic Found kernel: /boot/vmlinuz-3.5.0-23-generic Found kernel: /boot/vmlinuz-3.2.0-37-generic Found kernel: /boot/memtest86+.bin Updating /boot/grub/menu.lst ... done uname -r 3.5.0-23-generic sudo apt-get -V install linux-generic linux-image-generic linux-headers-generic Reading package lists... Done Building dependency tree Reading state information... Done linux-generic is already the newest version. linux-headers-generic is already the newest version. linux-image-generic is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.
I am learning about Linux refreshing up on my knowledge, and assistance would be greatly appreciated.