Debian wheezy: unattended upgrades

I am using Debian wheezy and unattended-upgrades. I would like to install all updates automatically. That's my sources.list: deb http://ftp.de.debian.org/debian/ wheezy main non-free contrib deb-src http://ftp.de.debian.org/debian/ wheezy main non-free contrib deb http://security.debian.org/ whe

wheezy: disable X11 screen blanking

Hi, I am using Debian wheezy and X11 on x86-64. I noticed that after five minutes with no input or so, my screen is blacked. How can I disable this feature? I DO have xset -dpms s off in my .xsession BTW., but this does not help. Thanks a lot! Aaron -- To UNSUBSCRIBE, email to debian-user-r