- name: Install debootstrap/unstable # This is shell because doing it with native ansible modules went nowhere become: yes shell: | set -ex echo "APT::Default-Release: 'stable';" > /etc/apt/apt.conf.d/default-release echo "deb http://deb.debian.org/debian unstable main" > /etc/apt/sources.list.d/unstable-debian.list apt-get update apt-get install -y debootstrap/unstable # Remove the use of unstable as it seems to interfere with other tasks rm /etc/apt/sources.list.d/unstable-debian.list apt-get update