name -> address resolution

[peasthope@shaw.ca]

I'm reposting this question with answers to questions 
from Alex Samad organized better.  This problem 
appeared after an update of Squeeze on 
February 7 or 8.  

Joule is a router with network access by a 
dhcp configured link.  dnsmasq and resolvconf 
worked for months with no problem.  Now the 
machine doesn't resolve its own name.  Other 
names inside and outside the LAN are still 
resolved.  

  peter@joule:~$ cat /etc/hostname
  joule
  peter@joule:~$ host joule
  Host joule not found: 3(NXDOMAIN)
  peter@joule:~$ host joule.invalid
  Host joule.invalid not found: 3(NXDOMAIN)
  peter@joule:~$ host dalton
  dalton has address 142.103.107.137

This is the last message to the console at startup.

  apache2: Could not reliably determine the server's fully qualified domain name,
  using 127.0.0.1 for ServerName

Also I wonder whether a problem with qpopper 
derives from this name-address problem.

Results are the same with kernels 2.6.30-2-686 
and 2.6.32-trunk-686.

Date:	Tue, 16 Feb 2010 18:04:53 +1100, Alex Samad wrote,
as> I presume you are on joule and it has dnsmasq + resolvconf installed on it.

Yes. 

as> can you 
as> cat /etc/resolv.conf*

  peter@joule:~$ cat /etc/resolv.conf*
  # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
  #     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
  nameserver 127.0.0.1
  search pi.shawcable.net

as> kill -SIGUSR1 $(pidof dnsmasq) ; tail -n 40 /var/log/syslog | grep 
  dnsmas | tail -n 4

  joule:/home/peter# kill -SIGUSR1 $(pidof dnsmasq) ; tail -n 40 /var/log/syslog |
grep dnsmas | tail -n 4
  Feb 20 16:01:31 joule dnsmasq[2070]: queries forwarded 29, queries answered loca
lly 24
  Feb 20 16:01:31 joule dnsmasq[2070]: server 64.59.160.13#53: queries sent 12, re
tried or failed 0
  Feb 20 16:01:31 joule dnsmasq[2070]: server 64.59.160.15#53: queries sent 26, re
tried or failed 0
  Feb 20 16:01:31 joule dnsmasq[2070]: server 64.59.144.19#53: queries sent 15, re
tried or failed 0

as> and maybe cat dnsmasq.conf

Visible here.
  http://carnot.yi.org/joule.dnsmasq.conf
It's the installed default with a few comment lines added.

Any further ideas?

Thanks,          ... Peter E.


-- 
Google "pathology workshop"