On Fri, 2006-01-13 at 14:58, Chris Jones wrote: > > > >>>> I have a networking problem which is puzzling me. I am > >>>> clearly missing something. Several of my servers apps are > >>>> failing because they are unable to resolve any of the local > >>>> hostnames. I have checked /etc/hosts, /ete/resolv.conf and > >>>> both are as they should be, yet I am unable to ping any of my > >>>> LAN connected PC's by name. I can ping them by their IP > >>>> addressess, but not by name. > >>>> > >>>> What else should I look for? > >>> > >>> > >>> What's in /etc/nsswitch.conf? > >>> > >>> $ grep hosts /etc/nsswitch.conf > >>> > >>> Paul. > >>> > >> I get the following from that:- [root@bilbo ~]# grep hosts > >> /etc/nsswitch.conf #hosts: db files nisplus nis dns hosts: > >> files dns > > > > > > Who is providing dns and are the names in there? What does 'dig > > host.your_domain' say? > > > DNS is provided by a caching-only nameserver on bilbo and the only > names I can see in the named.conf file are for localhost and > localdomain. The output from the dig command is:- > [root@bilbo ~]# dig bilbo.stow-jones.local > > ; <<>> DiG 9.3.1 <<>> bilbo.stow-jones.local > ;; global options: printcmd > ;; Got answer: > ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 59692 > ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0 > > ;; QUESTION SECTION: > ;bilbo.stow-jones.local. IN A > > ;; AUTHORITY SECTION: > . 10729 IN SOA A.ROOT-SERVERS.NET. > NSTLD.VERISIGN-GRS.COM. 2006011300 1800 900 604800 86400 > > ;; Query time: 57 msec > ;; SERVER: 212.23.3.100#53(212.23.3.100) > ;; WHEN: Fri Jan 13 20:50:09 2006 > ;; MSG SIZE rcvd: 115 > > [root@bilbo ~]# Let's start back at the beginning, then. Why do you expect any DNS server to know the names of your local boxes? If they are public machines they should in a real domain with a real DNS server. If not, and you want local dns to work you should add your own local zone file with the names instead of just using the caching-nameserver setup. -- Les Mikesell lesmikesell@xxxxxxxxx
