Re: [CentOS] NTP

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Will McDonald wrote:

On 24/05/06, Sam Drinkard <sam@xxxxxxxxxx> wrote:

   Have there been any changes to the way ntpd behaves in the past few
updates?  Reason I ask, whenever I run the ntpq or ntpdc, I immediately
get a response of Name or service not known.  I know things used to work
sometime back, and never saw this kind of stuff.  Nothing has changed in
the /etc/ntp.conf file, nor has anything changed in the
/etc/ntp/ntpservers files.


According to the changelog of the NTP package nothing's changed since '04!

$ rpm -q --changelog ntp | less

"Name or service not known" sounds more like a resolution issue to me.
Do you by any chance have caching-nameserver installed and had
modified /etc/named.conf ? If so a caching-nameserver update may've
overwritten your previous modifcations and potentially have broken
DNS.

Are you using N.pool.ntp.org in /etc/ntp.conf? Can you resolve those hostnames?

$ awk '/ntp.org/ { print $NF }' /etc/ntp.conf | xargs -n1 dig +noall +answer

Will.

Will,

Everything has worked correctly in the past, and I have not made any changes to the config files, nor dns, which is not a caching server. A little bit more info.. somehow, the machine on which I'm having this issue is i386, where the machine here at home is x86-64. It works as advertized. I copied all the config files over and deleted the first entry from the hosts, which on the local machine pointed to the remote machine. Other than that, they both are identical now. If, when executing either command, I enter "host vortex.wa4phy.net" then I get normal behavior. Somehow, it is not setting the default host, or a default host. I'm totally at a loss to explain unless there are some diffs between the two arch's.

Sam



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