Add icon and script to Ubuntu dashboard

Create activator in:

cd /usr/share/applications

we creat activator:

nano myActivator.desktop

and define icon, execute and terminal or not one in file:

[Desktop Entry]
Type=Application
Terminal=false
Name=chromium-browser
Icon=/opt/chromium.png
Exec=/usr/bin/chromium-browser --user-data-dir=/opt/
szymon@geek:/usr/share/applications$ pwd
/usr/share/applications