[Working with upgraded Kali 2 on a EeePC] I am trying to get the following rc.local executed:

Code:
#!/bin/sh -e
#
# rc.local
#
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
#
# In order to enable or disable this script just change the execution
# bits.
#
# By default this script does nothing.

/sbin/hdparm -B 254 -S 241 /dev/sda
#/sbin/iwconfig wlan0 txpower 5
exit 0
but I get a failed message upon boot:

Code:
● rc-local.service - /etc/rc.local Compatibility
   Loaded: loaded (/lib/systemd/system/rc-local.service; static; vendor preset: disabled)
  Drop-In: /lib/systemd/system/rc-local.service.d
           └─debian.conf
   Active: failed (Result: exit-code) since Sun 2017-04-16 08:25:47 CEST; 7min ago

Apr 16 08:25:47 kali01 systemd[1]: Starting /etc/rc.local Compatibility...
Apr 16 08:25:47 kali01 systemd[1]: rc-local.service: Control process exited, code=exited status=203
Apr 16 08:25:47 kali01 systemd[1]: Failed to start /etc/rc.local Compatibility.
Apr 16 08:25:47 kali01 systemd[1]: rc-local.service: Unit entered failed state.
Apr 16 08:25:47 kali01 systemd[1]: rc-local.service: Failed with result 'exit-code'.
What am I doing wrong?

Thx for your help,