For Personnel Reference
Recently I received email from a friend who was annoyed by the RB
date/time resetting upon every reboot. He had USERMAN with above 500
users, so it was a big problem from the accounting perspective. He
thought RB also have the battery to save the time/data 
, He asked me how he can replace the battery :pRouterboards do not have an internal clock to keep time between reboots. You have to configure NTP client to obtain ip from Time Server. Following are the scripts to update your NTP client and set time zone to +5 (for Karachi/Pakistan). Make sure you have enabled internet access on the router before configuring NTP.After configuring NTP, you wont have to manually configure the time CLOCK. This is very crucial for mikrotik to obtain correct time specially for LOG purposes and if you are doing user accounting by using Radius Server like USERMAN on it. For example if the RB reboots and the date/time resets to previous dates, then it can create lot of problems for user accounting. Thats why NTP client ensures that you always get the proper date/time upon every reboot or in routine. Use the following script to setup NTP client.
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| /system clockset time-zone-name=manual/system clock manualset dst-delta=+00:00 dst-end="jan/01/1970 00:00:00" dst-start="jan/01/1970 00:00:00" time-zone=+05:00/system ntp clientset enabled=yes mode=unicast primary-ntp=82.165.36.179 secondary-ntp=0.0.0.0 |
For other countries, change the timezone according to there local timings.
Howto configure NTP in Ubuntu
First install NTP service on Ubuntu sing below command,apt-get install ntp
Now edit ntp.conf file to add NTP server.
nano /etc/ntp.conf
Add this parameter anywhere in this file.
server 82.165.36.179
Save & exit.
Now copy PK Time zone to /etc
cp /usr/share/zoneinfo/Asia/Karachi /etc/localtime
Use the below command to update the time.
ntpdate -u 82.165.36.179
Now type date to verify time.
Regard’s
naveed ahmad
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