Set multiple NTP servers for macs using shell script

Script to set multiple NTP servers on macs.

#this script sets multiple NTP servers on a mac, with the first choice to the internal NTP server
#Script to set multiple NTP servers and also enable time zone
#Created by Tausif Ahmed Khan
#!/bin/sh
TimeServer1="yourinternal.ntp.server"
TimeServer2="time.apple.com"

/usr/sbin/systemsetup -setusingnetworktime off
#Set specific time server
/usr/sbin/systemsetup -setnetworktimeserver $TimeServer1
echo "server $TimeServer2" >> /etc/ntp.conf

# enable location services
/bin/launchctl unload /System/Library/LaunchDaemons/com.apple.locationd.plist
uuid=`/usr/sbin/system_profiler SPHardwareDataType | grep "Hardware UUID" | cut -c22-57`
/usr/bin/defaults write /var/db/locationd/Library/Preferences/ByHost/com.apple.locationd.$uuid LocationServicesEnabled -int 1
/usr/sbin/chown -R _locationd:_locationd /var/db/locationd
/bin/launchctl load /System/Library/LaunchDaemons/com.apple.locationd.plist

# set time zone automatically using current location
/usr/bin/defaults write /Library/Preferences/com.apple.timezone.auto Active -bool true

/usr/sbin/systemsetup -setusingnetworktime on

/usr/sbin/systemsetup -gettimezone
/usr/sbin/systemsetup -getnetworktimeserver

exit 0