NTP.md

Base station

username: chao
password: galt2014
ip: 192.168.3.200

Check status

roslaunch galt_setup deploy_rqt.launch

Sensor computer

username: aguser
password: aguser
ip: 192.168.3.108

roslaunch galt_setup deploy_estimation.launch
roslaunch galt_setup record_data.launch

NTP client

Restart ntp service

sudo /etc/init.d/ntp restart

Verify that client is synced to server

Check ntp status

ntpstat

Print a list of peers

ntpq - p

You should see something like

     remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
 192.168.3.1     171.66.97.126    2 u    1   64     1   0.247   3.400   0.000

Change server IP

Modify to /etc/ntp.conf

disable auth
broadcastclient
server 192.168.3.1 iburst

192.168.3.1 is the server's ip address