Thank you. I have some things to check into now.
On Nov 5, 11:17 am, "Alex Smith (K4RNT)" <[EMAIL PROTECTED]> wrote: > One last place to check is /etc/nsswitch.conf. Make sure that dns is listed > in the hosts directive. > > Sorry I can't be as much as help as the rest of the group, but I've never > really used Ubuntu, and I have no reason to change from my real > distributions... openSUSE and others. > > *ducks* > > ;) > > On Wed, Nov 5, 2008 at 11:00 AM, Steven S. Critchfield > <[EMAIL PROTECTED]>wrote: > > > > > > > ----- "kswan" <[EMAIL PROTECTED]> wrote: > > > I will readily acknowledge that the problem is likely due to my > > > ignorance. > > > > I looked at the resolv.conf and it just has three nameserver entries > > > that are the same as the rest of my network. The other machines on > > > my > > > network are resolving fine, but the server fails. At this point I > > > think caching would add a layer of complexity that would make the > > > troubleshooting more difficult. > > > My opinion, if you are having a intermittent network problem, sometimes > > the resolving libraries just decide you are off net and quit resolving > > for some timeout period. I have seen this especially with the resolving > > library mozilla used. I would have to fully kill mozilla in order to > > get it to retry a dns lookup for a zone I was editing. > > > A caching nameserver would primarily get you up out of a library for > > resolving and to a full application that could report it's errors. Not > > to mention it would probably be much better for your network performance > > to keep your lookups primarily local. Not that you will notice much but > > why should your workstations jump fully across the internet when they > > are opened up to get the yahoo or cnn address. Especially for each > > workstation each time the browser is started. A little effort in local > > caching would alleviate some traffic and browser startup time. > > > > Last night when the DNS wasn't working, I tried to restart > > > networking, > > > but then ssh stopped working. > > > Please remember you can restart services without needing to restart > > other portions. If you are having trouble with DNS, start by using > > host or nslookup depending on the install. Probably host. host takes 2 > > arguments you will want to work with. First arg is what you want to > > lookup. Second arg is the nameserver you are wanting to use for > > lookup. You may find that one or more of your nameservers in > > resolv.conf is lame and or intermittently broken. When it is used the > > machine then fails to try a different nameserver. Using host to try the > > same lookup on all three of your nameservers might help you identify > > the broken one. Further it might make the case for a local cacheing > > dns server anyways so you could deal better with a broken upstream > > resolver. > > > > Another problem that I am having is that sometimes after a reboot > > > Samba doesn't work. I can restart Samba and it will be fine. > > > Does samba require access to dns? If so, you may be sometimes starting > > your dns queries on the lame dns server and so it fails. > > > > I am not saying that Ubuntu Server is a bad distro. It wouldn't > > > surprise me if I screwed it up. > > > While that may still be the case, have you also checked your > > confidence in the hardware. occasional samba failures and occasional > > dns failures don't yet fully make me think hardware, but it makes me > > wonder. > > > -- > > Steven Critchfield [EMAIL PROTECTED] > > -- > " ' With the first link, the chain is forged. The first speech censured, the > first thought forbidden, the first freedom denied, chains us all > irrevocably.' Those words were uttered by Judge Aaron Satie as wisdom and > warning... The first time any man's freedom is trodden on we're all > damaged." - Picard, quoting Judge Aaron Satie > - Alex Smith (K4RNT) > - Nashville, Tennessee USA --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "NLUG" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/nlug-talk?hl=en -~----------~----~----~----~------~----~------~--~---
