#!/bin/sh
#
# /etc/rc.d/rc.local:  Local system initialization script.
#
# Put any local startup commands in here.  Also, if you have
# anything that needs to be run at shutdown time you can
# make an /etc/rc.d/rc.local_shutdown script and put those
# commands in there.

# test for network interface connection carrier
for NIF in $(ls /sys/class/net/ | grep -v lo); do
  if [[ -n $(cat /sys/class/net/"${NIF}"/carrier 2>/dev/null) ]]; then 
    # set system time from ntp server [remote]
    /usr/sbin/sntp -Ss 0.pool.ntp.org > /dev/null 2>&1 || \
	/usr/sbin/sntp -Ss 1.pool.ntp.org > /dev/null 2>&1 
	# set RTC from system time [if detected]
	[ -h /dev/rtc ] && /sbin/hwclock -w > /dev/null 2>&1
  elif [ -h /dev/rtc ]; then
    # set system time from RTC [if detected]
    /sbin/hwclock -s > /dev/null 2>&1
  else
    # output to stderr if time sync fails
    echo "WARNING! : system time sync ERROR ... " 1>&2
  fi
done

#EOF