Install Nvidia drivers on Ubuntu 14.04 via Command Line

# Check graphics card

$ lspci -vnn | grep -i VGA -A 12
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GT218 [GeForce 210] [10de:0a65] (rev a2) (prog-if 00 [VGA controller])
        Subsystem: ASUSTeK Computer Inc. Device [1043:8416]

# update repository 

$ sudo add-apt-repository ppa:xorg-edgers/ppa -y
$ sudo apt-get update

# install the latest version
$ sudo apt-get install nvidia-current