The istallation seemed to go fine, but when I open the browser all url's are "unknown server". I have an Asus system board with nvidia gforce 430 (that includes an onboard NIC) with an AMD 64 proc. I am connecting to comcast trhough a motorola SB5120 cable modem using ethernet. Kubuntu sees the NIC, it is enabled, and it is set to auto detect DHCP. I tried resetting the modem once Kubuntu was running with no joy. Under XP it works fine. I have searched some through the forums and have not found the answer yet.
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Re: No internet after Dapper install--more information
Hi,
Maybe it's trouble with the route or your dns...
Can you give the output of the following commands please ?
cat /etc/resolv.conf
route
Cheers -
Re: No internet after Dapper install--more information
Both files are empty. /dev/resolv.conf is size 0, the route table just has headings. When I bring up system settings and select network devices it shows me eth0 that is enabled says dhcp but has no ip address. When I try to run ifcinfig eth0 (or /dev/eth0) up, it tells me no device. When I look in /dev there is not device. Why does it show up in system settings?Comment
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Re: No internet after Dapper install--more information
In fact, you shouldn't look in /dev there shouldn't be anything about network (maybe I'm mistaking but I've never gone there for network troubles)
what is the output of "ifconfig -a" ?
It's strange that it's up and has no ip for me...
CheersComment
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Re: No internet after Dapper install--more information
ipconfig -a
eth0 Link encap:Ethernet HWaddr:00:15:F2:B8
B:24
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:905 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000
RX bytes:58721 (57.3 KiB) TX bytes:0 (0.0 b)
Interrupt:209 Base Address:0x000
lo Link encap: Local Loopback
inet addr:127.0.0.1 Mask 255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:19 errors:0 dropped:0 overruns:0 frame:0
TX packets:19 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0
RX bytes:1356 (1.1 KiB) TX bytes:1356 (1.1 KiB)
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Re: No internet after Dapper install--more information
Ifconfig is showing that eth0 is configured but not connected to anything.
Try running:
If that doesn't work, report back here what the results of the ifup eth0 command were.Code:sudo ifdown eth0 sudo ifup eth0
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Re: No internet after Dapper install--more information
sufo ufup eth0
Listening on LPF/eth0/00:15:f2:b8:db:24
Sending on LPF/eth0/00:15:f2:b8:db:24
Sending on Socket/fallback
DGCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 4
this continued with intervals of 8,21,10,18
No DHCP offers reveived
No working leases in persistent database = sleeping.
I then reset the modem and tried again it gave the dame results with intervals of 6,8,16,15,8,8
Thanks for looking at this.Comment
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Re: No internet after Dapper install--more information
There is a file - /etc/network/interface
You can edit the file by running:
In the file, if there is a line:Code:sudo kwrite /etc/network/interfaces
auto eth0 ?
How about:
iface eth0 inet dhcp ?
You indicated that your /etc/resolv.conf was empty. Your internet connection cannot work without that file having something in it (that's where the DNS IP address is listed). Is it still empty?
Finally, try running:
with the "gw" followed by a space and ip address of the modem (you can get that from Windows).Code:route add default gw
Then try running the sudo ifdown and sudo ifup again.Comment
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Re: No internet after Dapper install--more information
I went to /etc/network/interfaces and htere was a set of entries for eth0. auto eth0 iface eth0 and inet dhcp. My /etc/resolv.conf is still blank.
I tried the route command with the ip address from Win ipconfig, the gateway address form ipconfig, and the ip address that comcast support told me was the modem ip address (which they say is dynamically generated each time the modem is reset. With all these commands I got the same result: SIOCADDRT: Network is unreachable.
How do I find the modem ip address in Windows? How dO I get /etc/resolv.conf populated. Here is my ipconfig information:
Windows IP Configuration
Host Name . . . . . . . . . . . . : xxxxx
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Unknown
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : hsd1.al.comcast.net.
Ethernet adapter Local Area Connection:
Connection-specific DNS Suffix . : hsd1.al.comcast.net.
Description . . . . . . . . . . . : NVIDIA nForce Networking Controller
Physical Address. . . . . . . . . : 00-xx-xx-xx-xx-xx
Dhcp Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : xxx.63.55.xxx
Subnet Mask . . . . . . . . . . . : 255.255.255.128
Default Gateway . . . . . . . . . : xxx.63.55.1
DHCP Server . . . . . . . . . . . : 68.87.68.10
DNS Servers . . . . . . . . . . . : xxx.xxx.68.162
xxx.xxx.74.162
Lease Obtained. . . . . . . . . . : Sunday, July 30, 2006 5:47:31 PM
Lease Expires . . . . . . . . . . : Thursday, August 03, 2006 5:20:47 PM
I x'd out some information. Does this tell you anything?Comment
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Re: No internet after Dapper install--more information
I have a cable connection and maybe an example may help you.... With Kubuntu dapper I made sure that I had installed dhcp3-client and dhcp3-common. Then, I need three important files that in my case look like this:
/etc.network/interfaces
#the loopback network interface
auto lo
iface lo inet loopback
#The primary network interface
auto etho
iface etho inet dhcp
/etc/resolv.conf
nameserver xxx.xx.159.69
nameserver xxx.xx.157.3
nameserver xxx.xx.157 4
nameserver xxx.xx. 0.65
(The x's in my file are filled with the proper numbers)
/etc/hosts
127.0.0.1 localhost.localdomain localhost kubuntu (this is the name i left as the hostname during the installation process).
#The following lines are desirable for IPv6 capable hosts
fe00::0 ip6-localnet ip6-localnet
fe00::0 ip6-mcastprefix ip6-mcastprefix
fe02::1 ip6-allnodes ip6-allnodes
fe02::2 ip6-allrouters ip6-allrouters
fe02::3 ip6-allhosts ip6-allhosts
#The following lines are desirable for IPv6 capable hosts added automatically #by netbase-upgrade
::1 ip6-localhost ip6-loopback
I don't know a lot about linux so this is the best I can do. I hope it may be of some help.Comment
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Re: No internet after Dapper install--more information
There are a couple of things in your Windows settings that may help for Linux. In your /etc/resolv.conf file, add the lines:
Obviously, substitute the numbers that you x'ed out in your post.Code:nameserver xxx.xxx.68.162 nameserver xxx.xxx.74.162
You can also add:
to the resolv.conf file, though I don't think search is as useful as specific nameservers.Code:search hsd1.al.comcast.net
The route add default gw address you want to use is your xxx.63.55.1
After setting up the resolv.conf, try turning off your cable modem for at least 30 seconds, then turning it back on. Then run your sudo ifdown and sudo ifup commands again.
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Re: No internet after Dapper install--more information
My /etc/network/interfaces file is the same as ido's. I added the nameservers and search line to /etc/resolv.conf. My /etc/hosts is the same as ido's except for the last line.
After I made the changes to /etc/resolv.conf I reset the modem. I got the same results as before when I ran the ifdown and ifup commands. I also got the same results as before when I ran the route add default gw xxx.63.55.1 command.
I am certain that this problem centers around my nvidia hardware. I appreciate all the assistance, but I am burning out on trying to get Kubuntu running. I am thinking seriously about trying to install Knoppix on my HDD. When I boot from a Knoppix live CD it recognizes my NIC and lets me get onto the internet. Do I dare hold out any hope for Kubuntu on this PC?Comment
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Re: No internet after Dapper install--more information
I agree that you're running out of options. I would probably try knetworkmanager at this point. That involves installing that program, then commenting out nearly all of your interfaces file (leaving only the local loop lines), starting knetworkmanager, and then rebooting.
The reason to try it is that network-manager (the underlying program; knetworkmanager is a gui for it) doesn't use the interfaces file. Rather, it uses hal and udev to figure out your connection.
Sometimes, it is more effective than the method you've been working on.
The reason to try staying with Kubuntu is only if you like everything else about it. I carry a live cd of Kanotix (a Knoppix derivative), as well as several other distros. Each has something to recommend it. And I think Knoppix is a great distro. The only caution is that the support forums are not as good as Kubuntu/Ubuntu (though you'd be forgiven for thinking that this support forum isn't very good after these failures on networking).
I'll check back here to see if you decided to try knetworkmanager. But if you choose to go with Knoppix, good luck. Sorry I couldn't be more helpful.Comment
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Re: No internet after Dapper install--more information
Woild I install that like this
sudo get-api knetwirkmanager
I will try it when I get homeComment
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Re: No internet after Dapper install--more information
hi,
In fact, it should be sudo apt-get kwifimanager
CheersComment
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