DNS entries

R Kimber richardkimber at btinternet.com
Mon Jul 22 12:10:29 UTC 2013


On Sat, 20 Jul 2013 17:07:56 -0400
Tom H wrote:

> >> How are you setting the DNS servers in "/etc/network/interfaces"?
> >
> > auto eth0
> > #NetworkManager#iface eth0 inet dhcp
> > iface eth0 inet dhcp
> >    dns-nameservers 208.67.222.222 208.67.220.220
> >    dns-search opendns.com
> 
> You shouldn't have "dns-search opendns.com" here.
> 
> Do you have a "dhcp=" or dns=" line in
> "/etc/NetworkManager/NetworkManager.conf"?
> 
> Is dnsmasq running?

yes:-
17570 ?        S      0:00 /usr/sbin/dnsmasq --no-resolv
--keep-in-foreground --no-hosts --bind-interfaces
--pid-file=/var/run/sendsigs.omit.d/network-manager.dnsmasq.pid
--listen-address=127.0.0.1 --conf-file=/var/run/nm-dns-dnsmasq.conf
--cache-size=0 --proxy-dnssec

> 
> What;s the output of "dig" (just "dig"?

>dig

; <<>> DiG 9.8.1-P1 <<>>
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6155
;; flags: qr rd ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 15

;; QUESTION SECTION:
;.                              IN      NS

;; ANSWER SECTION:
.                       455387  IN      NS      f.root-servers.net.
.                       455387  IN      NS      d.root-servers.net.
.                       455387  IN      NS      b.root-servers.net.
.                       455387  IN      NS      c.root-servers.net.
.                       455387  IN      NS      m.root-servers.net.
.                       455387  IN      NS      e.root-servers.net.
.                       455387  IN      NS      h.root-servers.net.
.                       455387  IN      NS      g.root-servers.net.
.                       455387  IN      NS      j.root-servers.net.
.                       455387  IN      NS      a.root-servers.net.
.                       455387  IN      NS      k.root-servers.net.
.                       455387  IN      NS      l.root-servers.net.
.                       455387  IN      NS      i.root-servers.net.

;; ADDITIONAL SECTION:
d.root-servers.net.     137256  IN      A       199.7.91.13
d.root-servers.net.     158773  IN      AAAA    2001:500:2d::d
b.root-servers.net.     137548  IN      A       192.228.79.201
c.root-servers.net.     137488  IN      A       192.33.4.12
m.root-servers.net.     136899  IN      A       202.12.27.33
e.root-servers.net.     137488  IN      A       192.203.230.10
h.root-servers.net.     137449  IN      A       128.63.2.53
g.root-servers.net.     137488  IN      A       192.112.36.4
j.root-servers.net.     139820  IN      A       192.58.128.30
a.root-servers.net.     136784  IN      A       198.41.0.4
a.root-servers.net.     136791  IN      AAAA    2001:503:ba3e::2:30
k.root-servers.net.     140672  IN      A       193.0.14.129
l.root-servers.net.     138776  IN      A       199.7.83.42
l.root-servers.net.     166947  IN      AAAA    2001:500:3::42
i.root-servers.net.     137738  IN      A       192.36.148.17

;; Query time: 43 msec
;; SERVER: 192.168.1.254#53(192.168.1.254)
;; WHEN: Mon Jul 22 13:05:45 2013
;; MSG SIZE  rcvd: 504

> 
> If I were you, I'd comment out all the eth0-related lines in
> "/etc/network/interfaces" and set up NM via its GUI.

OK thanks.  I'll try that. first.

> Or I'd create the following file and chown+chmod it.
> 
> # vi /etc/NetworkManager/system-connections/eth0

- Richard.
-- 
Richard Kimber





More information about the ubuntu-users mailing list