Update in the background

[deadowl]

I know this is a questions forum, but I decided to post an answer... sorry.

For some reason this is a popular idea on Brainstorm, but it's already doable... but apparently it's not obvious enough.

Go to System->Administration->Software Sources->Updates

Then under Automatic Updates: change the radio button to download updates in background. You can also choose to install only security updates automatically.

[perfran]

I'm the one who added this idea on the brainstorm.
Your answer is useful but that's not exactly what I meant on brainstorm.
You mean to install updates automatically.
I mean to install them manually BUT without any window.
Right-click ->Silent update.
That makes all the difference because I want to decide when to install them and not automatically.
:)