Internet access problem

Leonard Chatagnier lenc5570 at sbcglobal.net
Sat Nov 7 20:11:15 UTC 2009


R Page-Jones wrote:
> 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 192.168.1.1 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 91.189.90.41
>> show replies while
>> ping -c 2 www.ubuntu.com
>> 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 recognised.so I have posted  the whole the
> text from my pings:
>
> PING 91.189.90.41 (91.189.90.41) 56(84) bytes of data.
> 64 bytes from 91.189.90.41: icmp_seq=1 ttl=50 time=74.9 ms
> 64 bytes from 91.189.90.41: icmp_seq=2 ttl=50 time=75.4 ms
>
> --- 91.189.90.41 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 www.ubunti.com
> PING www.ubunti.com (64.20.60.106) 56(84) bytes of data.
> 64 bytes from www.ubunti.com (64.20.60.106): icmp_seq=1 ttl=54 time=143 ms
> 64 bytes from www.ubunti.com (64.20.60.106): icmp_seq=2 ttl=54 time=142 ms
>
> --- www.ubunti.com 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
>    
The correct command should be:

cat /etc/resolv.conf
> robin at robin-desktop:~$ route -n
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use
> Iface
> 192.168.1.0     0.0.0.0         255.255.255.0   U     1      0        0 eth0
> 169.254.0.0     0.0.0.0         255.255.0.0     U     1000   0        0 eth0
> 0.0.0.0         192.168.1.1     0.0.0.0         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 foo.bar 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 myhost.foo.bar 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 foo.bar 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!
>
> Rob
>
>
>    





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