Howto apt ========= 1. List installed packages apt --installed list apt --installed list |grep webkit 2. Install package apt-get install webkit 3. Remove package apt-get remove webkit 4. Update package information apt-get update 5. Upgrade apt-get upgrade apt-get dist-upgrade 6. Configure /etc/apt/sources.list 7. Autoremove apt-get autoremove 8. Clean cache apt-get clean