How to Configure NTP Server in RHEL 5 & RHEL 6

[sam]

----------->> NTP Server

Server side ..

Step 1:-

# yum install ntp -y

Step 2:-

# vim /etc/ntpd.conf

server 172.24.0.1

server 127.127.1.0

fudge 127.127.1.0 stratum 10

driftfile /var/lib/htp/drift


:wq


Step 3:-

# system-config-date

-->RHEL6 -->> date and time
--> Check d button -->> Synchronize date and
time over the Network

NTP SEVER --> IP of Server( 172.24.0.1)

-->>Advanced Options
-->>Use Local Time Source

--->>OK

Step 4:-

#server ntpd restart ; chkconfig ntpd on


Client Side :--


Step 1:-

## system-config-date

-->RHEL6 -->> date and time
--> Check d button -->> Synchronize date and
time over the Network

NTP SEVER --> IP of Server( 172.24.0.1)

-->>Advanced Options
-->> Speed up initial synchronize

--->>OK

Step 2:-

# Server ntpd restart; chkconfig ntpd on


Step 3:-

If u can't have DNS

# vim /etc/hosts

ip of server Server Host Name

172.24.0.1 server1.example.com server1

:wq


If u have DNS

# vim /etc/sysconfig/ntpd

OPTIONS = "-4 -6 (defaults options) "


:wq

note: -4 for ipv4 and -6 for ipv6

# Server ntpd restart; chkconfig ntpd on

#ntpq -u