RDATE(1) Red Hat RDATE(1)
NAME
rdate - get the time via the network
SYNOPSIS
rdate [-p] [-s] [-u] [-l] [-t sec] [host...]
DESCRIPTION
rdate connects to an RFC 868 time server over a TCP/IP network, printing the returned time and/or setting the
system clock.
OPTIONS
-p Print the time returned by the remote machine.
-s Set the system time to the returned time.
-u Use UDP instead of TCP as the transport.
-l Use syslog to output errors (cron.warning) and output (cron.info).
-t Set timeout in seconds for every attempt to retreive date.
HISTORY
2004-03-16 Johan Nilsson <joh-nils@dsv.su.se>
Timeout support added.
2002-11-06 Elliot Lee <sopwith@redhat.com>
Patch from Tomek Orzechowski <orzech@pld.org.pl> - alarm(10) to not wait forever for connections.
2001-05-23 Phil Knirsch <pknirsch@redhat.com>
Added UDP protocol support. Close the connection after message handling in conformance to RFC 868.
2002-03-07 Elliot Lee <sopwith@redhat.com>
Add syslog functionality.
2000-02-04 Elliot Lee <sopwith@redhat.com>
Wrote it (previous incarnation had license problems, all 200 lines of it).
Utilities May 2001 RDATE(1)
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rdate는 NTP(Network Time Protocol)을 이용하여 시간을 동기화 시켜 주는 유틸리티 이다.
윈도우에서 사용하는 기본 타임 서버는
time.windows.com
time.nist.gov
이며, 국내에서 사용하는 타임서버로는
time.kriss.re.kr
time.bora.net
등이 있다.
Fedora 에서는
0.fedora.pool.ntp.org
1.fedora.pool.ntp.org
2.fedora.pool.ntp.org
을 사용한다.
2010.02.25 추가
# rdate -s time.bora.net
[링크 :
http://www.superuser.co.kr/superuserboard/view.html?id=14&code=linuxcom&start=0&position]
