get linux kernel source ubuntu

 From ubuntuguide.org:

sudo apt-get install nvidia-glx
sudo apt-get install nvidia-settings
sudo cp /etc/X11/xorg.conf /etc/X11/xorg.conf_backup
sudo nvidia-glx-config enable
sudo gedit /usr/share/applications/NVIDIA-Settings.desktop

Insert the following lines into the new file

[Desktop Entry]
Name=NVIDIA Settings
Comment=NVIDIA Settings
Exec=nvidia-settings
Icon=
Terminal=false
Type=Application
Categories=Application;System;

Read ubuntuguide.org in it's entirety for more info.

 

get linux kernel source

apt-cache search kernel-source

and then install that package

also after u chage ur sources.list, u need to run this

apt-get update