How To Update Linux Kernel In Ubuntu - Manually

1. You must download appropriate ubuntu kernel release from
   http://kernel.ubuntu.com/~kernel-ppa/mainline/  (in this case I am download 2.6.32 kernel version for update)
    
2. Download this 3 file types (it will depend on your processor architecture - my one is Intel 32bit - then i am downloaded i386 file types)
   
   (your downloaded file must contain this names as file name)
   
   i.   linux-headers-??????????_all.deb
   ii.  linux-headers-??????????_i386.deb
   iii. linux-image-????????????_i386.deb
   
   Ex: (my downloaded files in order to above file naming criteria)
   
   linux-headers-2.6.32-020632_2.6.32-020632_all.deb
   linux-headers-2.6.32-020632-generic_2.6.32-020632_i386.deb
   linux-image-2.6.32-020632-generic_2.6.32-020632_i386.deb
    
3. Open Ubuntu terminal window and install above files one by one.
   [** YOU MUST INSTALL THESE FILES AS GIVEN ORDERS BELOW**]
    
4. These files are store relevant folder (I am store on desktop).then open terminal from that folder
   type in terminal these commands in highlighted with blue.
    
5. FIRST you have root privilege to install programs 
   sudo -i  (for install program as root: after it will ask password and type it)
   
   if you log as root then console show like this:
   root@ubuntu:/home/username/Desktop/
   
   STEP 1 .Then install our first file like this:
   dpkg -i linux-headers-2.6.32-020632_2.6.32-020632_all.deb
   
   STEP 2 .There after install our second file like this:
   dpkg -i linux-headers-2.6.32-020632-generic_2.6.32-020632_i386.deb
   
   STEP 3 .Finally install our third file using this command
   dpkg -i linux-image-2.6.32-020632-generic_2.6.32-020632_i386.deb
    
6. Reboot the machine.
    
7. Type uname -a  and find updated kernel versions .
   

   

   Find kernel version