>> /etc/apt/sources.list
echo 'deb http://ftp.debian.org/debian/ jessie-updates main contrib non-free' \
>> /etc/apt/sources.list
-if [ "$1" = "thinkpad" || "$2" = "public" ]; then
+if [ "$1" = "thinkpad" ] || [ "$2" = "public" ]; then
echo 'deb http://ftp.debian.org/debian/ jessie-backports main contrib' \
' non-free' >> /etc/apt/sources.list
echo 'deb http://ftp.debian.org/debian/ testing main contrib non-free' \