Debian/ubuntu: setterm: eterm-color: unknown terminal type

$ sudo apt-get install ncurses-term

# https://www.enigmacurry.com/category/emacs/2/
# Emacs ansi-term directory tracking
# track directory, username, and cwd for remote logons
if [ $TERM = eterm-color ]; then
    function eterm-set-cwd {
        $@
        echo -e "\033AnSiTc" $(pwd)
    }

    # set hostname, user, and cwd
    function eterm-reset {
        echo -e "\033AnSiTu" $(whoami)
        echo -e "\033AnSiTc" $(pwd)
        echo -e "\033AnSiTh" $(hostname)
    }

    for temp in cd pushd popd; do
        alias $temp="eterm-set-cwd $temp"
    done

    # set hostname, user, and cwd now
    eterm-reset
fi