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Configure a NTP Server (HP UX)

NTP is used for time synchronization. a) xntpd server (daemon) is used by HP-UX. 1. Open file /etc/rc.config.d/netdaemons: # vi /etc/rc.config.d/netdaemons 2. Make sure following variables are defined and XNTPD is set to 1, below is the example: export NTPDATE_SERVER='ntp.mycorp.com pool.ntp.org in.pool.ntp.org' export XNTPD=1 export XNTPD_ARGS= Save and close the file. Note: * NTPDATE_SERVER : space-separated list of timeserver / IPs - If server uses the radio clock / system time, leave the NTPDATE_SERVER blank. * XNTPD : set it to 1 to enable NTP * XNTPD_ARGS : set options, see man page 3. Make sure correct timezone is setup in /etc/TIMEZONE file (look for TZ variable): # vi /etc/TIMEZONE 4. Save and close the file. Open /etc/ntp.conf file: vi /etc/ntp.conf Make sure server are defined: server unix-box-ntp server delhi-ntp peer delhi-noc-ntp driftfile /etc/ntp.drift Close and save the file. Note: * server : ntp server used (poll) to obtain time * peer : a peer relationship with another ntp server * driftfile : track local clock time (drift of the local clock) 5. Start HP-UX ntp service: # /sbin/init.d/xntpd start # /sbin/init.d/xntpd stop <-- stop ntp service 6. Verify that everything is working fine: # ntpq -p 7. Watch out log file /var/adm/syslog/syslog.log for errors: # tail -f /var/adm/syslog/syslog.log 8. Make sure xntpd is running: # ps -ef | grep xntpd b) SAM - GUI Admin Tool You can configure NTP service under HP-UX using SAM, just start SAM and open time window.
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