Chef - adding text to BEGINNING of file - how?

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# SSH Parameter
{"Protocol" => "2", "LogLevel" => "INFO", "MaxAuthTries" => "4", "IgnoreRhosts" => "yes", "HostbasedAuthentication" => "no", "PermitRootLogin" => "no", "PermitEmptyPasswords" => "no", "Banner" => "/etc/issue.net"}.each do |param, value|
    cfg_file = "/etc/ssh/sshd_config"

    replace_line_re = /^#{param}.*/
    insert_line_text = replace_line_text = "#{param} #{value}"
    insert_line_re = /^#{replace_line_text}/

    ruby_block "CIS: SSHd Parameter modifizieren. " + param + " => " + value do
        block do
            fe = Chef::Util::FileEdit.new(cfg_file)

            # Alte Werte durch neue Werte ersetzen
            fe.search_file_replace_line(replace_line_re, replace_line_text)

            # Zeile mit neuem Wert am Ende der Datei einfügen - falls nicht schon vorhanden
            fe.insert_line_if_no_match(insert_line_re, insert_line_text)

            # Datei schreiben
            fe.write_file
        end # of block do
        notifies :reload, "service[ssh]", :delayed
    end # of ruby_block "CIS: SSHd Parameter modifizieren. " + param + " => " + value do
end # of {"Protocol" => "2", "LogLevel" => "INFO", "MaxAuthTries" => "4", "IgnoreRhosts" => "yes", "HostbasedAuthentication" => "no", "PermitRootLogin" => "no", "PermitEmptyPasswords" => "no", "Banner" => "/etc/issue.net"}.each do |param, value|