-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Les Mikesell wrote: > 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 This was working up until just before Christmas without any special DNS configuration. Never having gone into DNS, I would appreciate some guidance on what configuration changes I should make here, or where to go for a dummy's guide to what changes are needed to implement DNS on my home network of 2 desktops and a laptop. - -- Chris Jones You can't judge a book by the way it wears its hair. Before Xerox, five carbons were the maximum extension of anybody's ego. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iD8DBQFDyCLcZJbxzczKArcRAgrZAKCFzfrQTuwkI6mk5aRA0TUGZjhcVgCffmYC E7t2f4qaD0GqbgYg69YnMbg= =sIqi -----END PGP SIGNATURE-----