removesystemd

#!/bin/bash

create_removesystemd_once() {
    cat <<-'EOF'
    #!/bin/bash
    ### BEGIN INIT INFO
    # Provides: removesystemd_once
    # Required-Start: $all
    # Required-Stop:
    # Default-Start: 2 3 4 5 S
    # Default-Stop:
    # Short-Description: Remove systemd
    # Description:
    ### END INIT INFO

    . /lib/lsb/init-functions

    case "$1" in
      start)
        rm /etc/init.d/removesystemd_once
        update-rc.d removesystemd_once remove
        nohup apt-get remove --yes --purge --auto-remove systemd >/dev/null 2>&1 &
        exit 0
        ;;
      *)
        echo "Usage: $0 start" >&2
        exit 3
        ;;
    esac
EOF
} # create_removesystemd_once

create_removesystemd_once >/etc/init.d/removesystemd_once
chmod 700 /etc/init.d/removesystemd_once
update-rc.d removesystemd_once defaults
apt-get install -y sysvinit-core sysvinit sysvinit-utils
echo -e 'Package: systemd\nPin: origin ""\nPin-Priority: -1' >/etc/apt/preferences.d/systemd
echo -e '\n\nPackage: *systemd*\nPin: origin ""\nPin-Priority: -1' >>/etc/apt/preferences.d/systemd