Automatically updating Debian packages

export DEBIAN_FRONTEND=noninteractive export APT_LISTCHANGES_FRONTEND=none apt-get update -q >> /var/log/apt/update.log apt upgrade -q -y -o Dpkg::Options::='--force-confdef' -o Dpkg::Options::='--force-confold' -o Dpkg::Use-Pty=0 >> /var/log/apt/update.log