On Dec 5, 2007 3:06 PM, Ed Greshko <Ed.Greshko@xxxxxxxxxxx> wrote: > >>>> Yes, Craig, I did reboot the computer after having turned off ipv6, > >>>> but it did not solve the problem. It is rather strange that > >>>> '/sbin/service ntpd restart' works perfectly and that NTP cannot > >>>> synchronize with the server at booting. > >>>> > >>> This is not strange at all. When it tries to connect at boot, it can > >>> not make the connection. When the network is up, it can make the > >>> connection. I don't remember for sure, but I believe you were > >>> getting a DNS error. This could be because you couldn't reach the > >>> name server, or because you are running a local name server, and it > >>> isn't up when NTP starts. I would also expect to see this if you > >>> were using a wireless connection and network manager configured to > >>> make the connection when the user logs in. (User supplied wireless > >>> key instead of system supplied wireless key.) > >> I understand your explanation. I do not use any wireless connection to > >> the Internet. Moreover, my Ethernet device is configure to be > >> activated when computer starts. What else should I look at? > > Why not eliminate DNS in this and use the IP address of ntp.ist.utl.pt in > your configuration files. This would help narrow things down a bit. Done, Ed. But: /var/log/messages:Dec 5 16:12:07 localhost ntpdate[1948]: no servers can be used, exiting /var/log/messages:Dec 5 16:12:07 localhost ntpd[1951]: ntpd 4.2.4p2@xxxxxxxx Mon Sep 24 14:40:07 UTC 2007 (1) /var/log/messages:Dec 5 16:12:07 localhost ntpd[1952]: precision = 1.000 usec /var/log/messages:Dec 5 16:12:07 localhost ntpd[1952]: Listening on interface #0 wildcard, 0.0.0.0#123 Disabled /var/log/messages:Dec 5 16:12:07 localhost ntpd[1952]: Listening on interface #1 wildcard, ::#123 Disabled /var/log/messages:Dec 5 16:12:07 localhost ntpd[1952]: Listening on interface #2 lo, ::1#123 Enabled /var/log/messages:Dec 5 16:12:07 localhost ntpd[1952]: Listening on interface #3 lo, 127.0.0.1#123 Enabled /var/log/messages:Dec 5 16:12:07 localhost ntpd[1952]: Listening on interface #4 vmnet1, 192.168.113.1#123 Enabled /var/log/messages:Dec 5 16:12:07 localhost ntpd[1952]: Listening on interface #5 vmnet8, 192.168.139.1#123 Enabled /var/log/messages:Dec 5 16:12:07 localhost ntpd[1952]: kernel time sync status 0040 /var/log/messages:Dec 5 16:12:07 localhost ntpd[1952]: frequency initialized 39.377 PPM from /var/lib/ntp/drift /var/log/messages:Dec 5 16:12:07 localhost ntpd[1952]: Cannot find existing interface for address 193.136.134.3 /var/log/messages:Dec 5 16:12:07 localhost ntpd[1952]: configuration of 193.136.134.3 failed /var/log/messages:Dec 5 16:12:08 localhost ntpd[1952]: Listening on interface #6 vmnet8, fe80::250:56ff:fec0:8#123 Enabled /var/log/messages:Dec 5 16:12:08 localhost ntpd[1952]: Listening on interface #7 vmnet1, fe80::250:56ff:fec0:1#123 Enabled /var/log/messages:Dec 5 16:17:08 localhost ntpd[1952]: Listening on interface #8 eth0, fe80::214:85ff:fe38:2c93#123 Enabled /var/log/messages:Dec 5 16:17:08 localhost ntpd[1952]: Listening on interface #9 eth0, 192.168.1.64#123 Enabled Paul
