HP-UX Internet Services Administrator's Guide (May 2010)

Uncomment the following fudge line found at the end of the file /etc/

ntp.conf server 127.127.26.1.

#fudge 127.127.26.1 time1 -0.955

b. Make a link to the device file that corresponds to the serial port you are

connecting to the GPS unit by typing the following: /usr/bin/ln -s

/dev/tty0p0 /dev/hpgps1(device name for HP GPS)

• For the local NTP Machine, add the following lines at the end of the /etc/

ntp.conf file:

server 127.127.1.1

fudge 127.127.1.1 stratum 10

Create a link to the device file that corresponds to the serial port you are

connecting to the GPS unit by adding the following line to the device file:

/usr/bin/ln -s /dev/tty0p0 /dev/hpgps1

Use this option only when NTP is used in an isolaed environment without a

radio clock, NIST modem or Internet connection. You can also use this if a

particular server clock will be used as a last resort, when all other normal

synchronization sources are not availiable.

5. Start the NTP daemon using the following steps:

a. Edit the /etc/rc.config.d/netdaemons file. Set the variable

NTPDATE_SERVER equal to an NTP time server that is reachable. For example:

NTPDATE_SERVER=15.13.108.1

This will run the /usr/sbin/ntpdate command just before the NTP daemon

is started, and bring your system clock close to the other server to start.

b. Set the XNTPD variable to 1.

This starts the daemon automatically when the system transitions from level

1 to 2.

c. Start the daemon using the startup script:

/sbin/init.d/xntpd start

d. Verify whether the daemon process is running using the following command:

ps -ef grep ntp

The line /usr/sbin/xntpd appears in the list of running processes.

Getting Started with NTP 57