Arduino Mega Serial Problem

I got a new Arduino Mega board, using IDE 017 , OpenSuse11.1
and can not get a Serial.print to the IDE’s terminal.
Compilation and upload seems OK.
Any ideas ?

void setup() {
  Serial.begin(9600);
  Serial.println("from Setup");
  delay(100);  }


void loop() {
  Serial.println("from loop");
  delay(600); }

Is the serial monitor set to 9600, too?

yup