deb http://ftp.us.debian.org/debian/ squeeze main non-free contrib deb http://security.debian.org/ squeeze/updates main contrib non-free # squeeze-updates, previously known as 'volatile' deb http://ftp.us.debian.org/debian/ squeeze-updates main contrib non-free #proposed deb http://ftp.us.debian.org/debian squeeze-proposed-updates main contrib non-free #backports deb http://backports.debian.org/debian-backports squeeze-backports main contrib non-free #source #deb-src http://ftp.us.debian.org/debian/ squeeze main non-free contrib #deb-src http://ftp.us.debian.org/debian/ squeeze-updates main contrib non-free #deb-src http://security.debian.org/ squeeze/updates main contrib non-free #deb-src http://ftp-stud.hs-esslingen.de/pub/Mirrors/debian-multimedia/ squeeze main non-free wget http://www.debian-multimedia.org/pool/main/d/debian-multimedia-keyring/debian-multimedia-keyring_2010.12.26_all.deb; dpkg -i debian-multimedia-keyring*.deb deb http://www.debian-multimedia.org squeeze main non-free #wget -O - http://deb.opera.com/archive.key | sudo apt-key add - deb http://deb.opera.com/opera/ squeeze non-free deb http://dl.google.com/linux/deb/ stable main deb http://download.skype.com/linux/repos/debian/ stable non-free #spotify #apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 4E9CFF4E deb http://repository.spotify.com stable non-free #virtualbox deb http://download.virtualbox.org/virtualbox/debian squeeze contrib non-free # adduser yourusername vboxuser #wget -q http://download.virtualbox.org/virtualbox/debian/oracle_vbox.asc -O- | sudo apt-key add - #apt-get update; apt-get install linux-headers-$(uname -r) build-essential virtualbox-4.1 dkms #cd /tmp; wget http://download.virtualbox.org/virtualbox/4.1.8/Oracle_VM_VirtualBox_Extension_Pack-4.1.8-75467.vbox-extpack; sudo VBoxManage extpack install Oracle_VM_VirtualBox_Extension_Pack-4.1.8-75467.vbox-extpack =========================== add newer kernel to debian squeeze Add the line to /etc/apt/sources.list deb http://backports.debian.org/debian-backports squeeze-backports main contrib non-free Update your repositories apt-get update Install the backport kernel. (note: the linux headers and other dependencies will be installed aswell) apt-get install -t squeeze-backports linux-image-3.[kernel version]-bpo.*-[architecture]