I tried cup of things but nothing works:
root@kaos:/home/keos# setterm -powersave off
setterm: cannot (un)set powersave mode: Función ioctl no apropiada para el dispositivo
root@kaos:/home/keos# setterm -powersave off
setterm: cannot (un)set powersave mode: Función ioctl no apropiada para el dispositivo
root@kaos:/home/keos# setterm -blank 0
setterm: terminal xterm-256color does not support --blank
root@kaos:/home/keos#