How to Configure NTP Client on Solaris 5.10
1. ntp.conf 파일 생성
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# cp /etc/inet/ntp.client /etc/inet/ntp.conf
2. ntp.conf 파일에 NTP server list 추가
modify /etc/inet/ntp.conf
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# ident "@(#)ntp.client 1.3 00/07/17 SMI"
#
# /etc/inet/ntp.client
#
# An example file that could be copied over to /etc/inet/ntp.conf; it
# provides a configuration for a host that passively waits for a server
# to provide NTP packets on the ntp multicast net.
#
#multicastclient 224.0.1.1 ## 주석처리
server 216.239.35.8 prefer # NTP 서버 time.google.com Primary
server 216.239.35.4 # NTP 서버 time.google.com Secondary
3. NTP 서비스 재시작
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# svcadm disable svc:/network/ntp:default
4. NTP 서비스 상태 및 동기화 확인
4.1 NTP 서비스 상태 확인
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# svcs -l svc:/network/ntp:default
fmri svc:/network/ntp:default
name Network Time Protocol (NTP)
enabled true
state online
next_state none
state_time Tue Feb 14 14:15:46 2023
logfile /var/svc/log/network-ntp:default.log
restarter svc:/system/svc/restarter:default
contract_id 1582
dependency require_all/error file://localhost/usr/sbin/ntpq (online) file://localhost/usr/sbin/ntpdate (online)
dependency require_any/error svc:/network/service (online)
dependency optional_all/error svc:/milestone/name-services (online)
dependency require_all/error svc:/system/filesystem/minimal (online)
4.2 시간 동기화 확인
NTP 서버와의 동기화 확인
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# ntpq -p
remote refid st t when poll reach delay offset disp
==============================================================================
*216.239.35.8 .GOOG. 1 u 35 64 377 47.44 -0.768 1.11
+216.239.35.4 .GOOG. 1 u 34 64 377 54.89 3.327 0.79
시간 확인
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# date
Tue Feb 14 14:18:11 KST 2023