Shell script `default/dist-upgrade'

Install dist-upgrade (not recommended to production server)

sudo apt-get -q -y -o Dpkg::Use-Pty=0 update DEBIAN_FRONTEND=noninteractive sudo -E apt-get -q -y -o Dpkg::Use-Pty=0 -o DPkg::options::="--force-confdef" -o DPkg::options::="--force-confold" dist-upgrade