To Download the chrome driver for 64 bit OS
wget -N http://chromedriver.storage.googleapis.com/2.21/chromedriver_linux64.zip -P ~/Downloads
Unzip the file
unzip ~/Downloads/chromedriver_linux64.zip -d ~/Downloads
Make the downloaded file executable and move it to /usr/local/share/
chmod +x ~/Downloads/chromedriver
sudo mv -f ~/Downloads/chromedriver /usr/local/share/chromedriver
Create Symlink
sudo ln -s /usr/local/share/chromedriver /usr/bin/chromedriver