rdate — Get the time from Remote machine.
RDate connects to a Remote Time Server over a TCP/IP network, print and / or set the system clocl to the time returned by it. The time in remote server should be maintained properly. So that all machines can get the time from that server.
$ rdate -p 192.168.1.5 -- Print the time returned by the remote machine. # rdate -s remote.pc.com -- Set the system time to the timereturned from the remote machine. $ rdate -u myserver -- Use UDP instead of TCP as the transport. $ rdate -l myserver -- Use syslog to log errors and output (Useful when it is used in cron jobs).
- Remote server should run the time service in port 37.
- Firewall should not block port 37.
Read : man rdate