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I am working with RHEL-6 64 bit server. When using ntpq -p I get the following result:

$ ntpq -p
localhost: timed out, nothing received
***Request timed out

With RHEL 5.4 we were using a ntp configuration as below:

# /etc/ntp.conf
server <ip> prefer key <keyval>

But it is not working with the RHEL 6 ?

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Are you sure ntpd is running? – larsks Jul 2 '11 at 20:32
Issue has solved, This is because I had the option “restrict default ignore” set in /etc/ntp.conf. ntpq. This makes ntpd ignore EVERYTHING, even queries to the loopback interface. Ntpq queries ntpd over the loopback interface at To allow these local queries, add: – Arunjith Jul 4 '11 at 4:52

If you have restrict default ignore set in ntp.conf, then it will ignore everything.

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