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My server is supposed to be using ntp, with nothing changed from the defaults set up by CentOS5. However, daily I see log entries like Total synchronizations 2 (hosts: 2) **Unmatched Entries** sendto(193.6.222.20) (fd=21): Invalid argument: 1 time(s) sendto(141.89.226.2) (fd=21): Invalid argument: 1 time(s) Does this mean that ntp is failing? I assume so, and if so, how do I change

Hi folks, I have set up a cluster on CentOS 5.2 using /etc/cluster/cluster.conf - and it works fine. It's only purpose is to switch a virtual IP between two routers. Now the service is running, I can ping the virtual IP from outside - but this virtual IP is not bound to any interface. How does this work? Can I force the cluster to bind it to a certain interface? I need this because the

Hi People I am setting up some systems with ssh public keys and as part of this I am using the from directive inside .ssh/authorized_keys. Currently I am using the IP address to control the source. eg from="10.0.0.1" but on one CentOS 4 System that is up to date this will only work if I replace the IP with the DNS name of the server. I have verified that DNS is resolving the DNS