First install the dconf-editor.
To do this, issue the command
- sudo apt-get install dconf-editor
- Open the program dconf-editor
- Navigate to com / canonical / unity / launcher
- and change the launcher-position to bottom.
or at the terminal type:
gsettings set com.canonical.Unity.Launcher launcher-position Bottom
sudo apt-get install compizconfig-settings-manager compiz-plugins compiz-plugins-extra