Tune on [NumLock] by default.

Add following on bottom on file rc.sysinit, and reboot the Linux.

Step-1:

•  # vi /etc/rc.d/rc.sysinit

Step-2:

• for tty in /dev/tty[1-9]*; do setleds -D +num < $tty
• done

Step-3:

• # reboot