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RDATE(8)		 BSD System Manager's Manual		      RDATE(8)

NAME
     rdate - set the system's date from a remote host

SYNOPSIS
     rdate [-346adnprsv] [-P ntpport] host

DESCRIPTION
     rdate displays and sets the local date and time from the host name or ad-
     dress given as the argument. The time source may be an RFC 868 TCP proto-
     col server, which is usually implemented as a built-in service of
     inetd(8), or an RFC 2030 protocol SNTP/NTP server. By default, rdate uses
     the RFC 868 TCP protocol.

     The options are as follows:

     -3	     Sets the NTP protocol version to 3.

     -4	     Forces rdate to use IPv4 addresses only.

     -6	     Forces rdate to use IPv6 addresses only.

     -a	     Use the adjtime(2) call to gradually skew the local time to the
	     remote time rather than just hopping.

     -d	     Debug the SNTP exchange. If given twice, debug each packet re-
	     ceived.

     -n	     Use SNTP (RFC 2030) instead of the RFC 868 time protocol.

     -P ntpport
	     With -n, use the UDP port ntpport instead of the default 123.

     -p	     Do not set, just print the remote time.

     -r	     Show the remainder from the last adjtime(2) call.

     -s	     Do not print the time. If set, any previous -v options will be
	     ignored.

     -v	     Verbose output. Always show the adjustment. Put this on a command
	     line to reset all previous -s options.

FILES
     /var/log/wtmp  record of date resets and time changes

SEE ALSO
     date(1), adjtime(2), crontab(1), gettimeofday(2), symlink(7), inetd(8),
     ntpd(8), timed(8)

MirOS BSD #10-current	      November 22, 2009				     1

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