def build_ssh_cmd_str(cmd_str, host, args, host_args)
      Dk::Remote.ssh_cmd_str(cmd_str, host, args, host_args)
    end
def build_ssh_cmd_str(cmd_str, host, args, host_args)
      Dk::Remote.ssh_cmd_str(cmd_str, host, args, host_args)
    end
escape everything properly; run in sh to ensure full profile is loaded