Internet access problem

R Page-Jones rmp-j at
Sat Nov 7 19:55:05 UTC 2009

Markus Schönhaber wrote:
> R Page-Jones:
Many thanks for the reply.
>> I am using a D-link router DSL-G624T with wired connection.
>> I have no internet problems with XP, but when booted into Ubuntu I 
>> cannot access the internet.
>> I have a connection to the router.  (Putting as a URL in 
>> Firefox brings up the router page.)
> Since you can connect to the router, your network interface obviously
> has been assigned an IP address.
> Does (on the command line)
> ping -c 2
> show replies while
> ping -c 2
> does not? If so, post the contents of /etc/resolv.conf.
> The output of the command
> route -n
> might be useful too.
/etc/resolv.config was not I have posted  the whole the 
text from my pings:

PING ( 56(84) bytes of data.
64 bytes from icmp_seq=1 ttl=50 time=74.9 ms
64 bytes from icmp_seq=2 ttl=50 time=75.4 ms

--- ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1002ms
rtt min/avg/max/mdev = 74.942/75.178/75.415/0.362 ms
robin at robin-desktop:~$ ping -c 2
PING ( 56(84) bytes of data.
64 bytes from ( icmp_seq=1 ttl=54 time=143 ms
64 bytes from ( icmp_seq=2 ttl=54 time=142 ms

--- ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 142.137/142.885/143.633/0.748 ms
robin at robin-desktop:~$  /etc/resolv.config
bash: /etc/resolv.config: No such file or directory
robin at robin-desktop:~$ route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use 
Iface   U     1      0        0 eth0     U     1000   0        0 eth0         UG    0      0        0 eth0
robin at robin-desktop:~$

>> I have tried editing the IP4 stettings to "manual". but I cannot 
>> complete this action because I don't know what to put in to "Search 
>> domains" box. So "apply" stays greyed out.
> Since you probably didn't do any manual configuration on XP, there
> should be no need for manual configuration in Ubuntu either.
> But as an experiment you could enter something like there (just
> to enable you to apply the settings).
> The setting of "Search domains" isn't exactly important but rather
> something for convenience. Simplified explanation: if your machine wants
> to find the IP address of a simple host name, like "myhost", and fails
> it will append the value of "Search domains" to the host and try
> again[1]. I. e. it would try to find an IP for in this
> example.
> [1] The explanation isn't technically exact, just meant to provide an
> idea for what "Search domains" is good for. If you're interested, take a
> look at
> man resolv.conf
> which describes this technically accurate.
Putting in the domain search box didn't have any effect. The 
"apply" button stayed greyed out. I must be doing something wrong here 
but I can't see what!


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