[daemin]

Ubuntu is still annoying with it's daily popups asking to update the system and then most times requiring a system restart. In some ways it is worse than Windows.

[SapporoChris]

Software & Updates->Updates->Automatically Check for updates:{Daily,Every two days,Weekly,Every Two Weeks,Never} and Security Updates{Display Immediately,Download Automatically,Download and install automatically}

There are even more options you can select.

[antsar]

If you want Ubuntu without the annoying, that's Debian.

[daemin]

I will probably be installing that on my servers soon. Luckily I don't need to use it as a desktop machine any more.