you can do "/etc/init.d/networking restart" to start it.
Do do it at boot up I believe is "/etc/netwrok/interfaces" you add "eth0 auto"

On Wed, Jan 14, 2009 at 4:27 PM, Bas Roufs <basroufs@gmail.com> wrote:

Dear everybody



After a fresh 'install from scratch' of Kubuntu 8.10 at a laptop, the

system does recognise the eth0 connection - the connection between the

ethernet modem and the laptop, via a "RJ-45" cable, connector and

access. However, eth0 is 'down', according to the feedback from the

system - *Kubuntu does not automatically establish the connection.

I even tried out a 2nd option for such a connection: linking the RJ-45

cable to a special connector combined with a PCMCIA ethernet card. As

soon as I poke this combination into the laptop, Kubuntu immediately

recognises it as 'eth1'. However, that connection is 'disconnected'

according to the system feedback.

However it may be, so far I do not manage to link the laptop to *the

internet, although I did, as far as I know, full fill all possible

hardware preconditions for a successful connection via an ethernet

modem.

Can somebody give me a clue on how to manually configure the software

in such a way, that the internet connection can be established?



Thanks for your possible reply.



Bas.



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Dear Alex

Thx. for this quick reply. I would appreciate a short clarification.
> you can do "/etc/init.d/networking restart" to start it.
Is this a command I need to give in in in terminal or is it a file I
need to open with a text editor like Kate?

> Do do it at boot up I believe is "/etc/netwrok/interfaces" you add "eth0 auto"

Pls. clarify: do I need to open a terminal at the earliest possible
stage of the start up procedure? Or do I simply need to use some text
editor to add 'eth0 auto' to the file "interfaces" in the folder
"/etc/network"

Thx. for replying and have a sweet dream night.

Bas. --
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And, depending on what you mean by manually:

sudo ifconfig eth0 up
sudo dhclient

Read the man pages for those commands of course...



On Wed, Jan 14, 2009 at 3:08 PM, Bas Roufs <basroufs@gmail.com> wrote:

Dear Alex



Thx. for this quick reply. I would appreciate a short clarification.

> you can do "/etc/init.d/networking restart" to start it.

Is this a command I need to give in in in terminal or is it a file I

need to open with a text editor like Kate?



> Do do it at boot up I believe is "/etc/netwrok/interfaces" you add "eth0 auto"



Pls. clarify: do I need to open a terminal at the earliest possible

stage of the start up procedure? Or do I simply need to use some text

editor to add 'eth0 auto' to the file "interfaces" in the folder

"/etc/network"



Thx. for replying and have a sweet dream night.



Bas. --

===============

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Bas G. Roufs M.A.

Van 't Hoffstraat 1

NL-3514 VT *Utrecht

M. +31.6.446.835.10

T. +31.30.785.20.40

BasRoufs@gmail.com

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On Wed, Jan 14, 2009 at 5:08 PM, Bas Roufs <basroufs@gmail.com> wrote:

Dear Alex



Thx. for this quick reply. I would appreciate a short clarification.

> you can do "/etc/init.d/networking restart" to start it.

Is this a command I need to give in in in terminal or is it a file I

need to open with a text editor like Kate?It is a command in a terminal.

sudo /etc/init.d/networking restart
*




> Do do it at boot up I believe is "/etc/netwrok/interfaces" you add "eth0 auto"



Pls. clarify: do I need to open a terminal at the earliest possible

stage of the start up procedure? Or do I simply need to use some text

editor to add 'eth0 auto' to the file "interfaces" in the folder

"/etc/network"*It is a file that you need to edit.
sudo emacs /etc/network/interfaces
then you add "auto eth0". Your network interface may not be eth0 if you are using wireless. But it should be listed in that file.



*



Thx. for replying and have a sweet dream night.



Bas. --

===============

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Bas G. Roufs M.A.

Van 't Hoffstraat 1

NL-3514 VT *Utrecht

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Dear Alex, Brian and everybody else at this list

Thanks for your suggestions so far. However, I still get stuck at some
point. 'eth0' in the laptop is still 'down'. Quite probably I still
overlook something;.

> sudo /etc/init.d/networking restart

This command seems to work OK. But: .....

> .... file ...to edit: sudo emacs /etc/network/interfaces ..
> .....then you add "auto eth0"...
Quite probably you are right. 'eth0' is indeed the name of the
internet connection device available in my laptop; but that one is
still 'down'. However, I get stuck here, because I simply do not yet
manage to edit the file "/etc/network/interfaces" - because of
different reasons.
Packages like 'emacs' and 'midnight commander' are not yet available,
because they need to be installed first, for which I need an internet
connection with the laptop.
I do manage to open the file "/etc/network/interfaces" via another
texteditor, Kate, as 'normal user'. However, I do not manage to so as
'superuser' which I would need to do in order to effectively add 'auto
eth0' to that file. So, I need to reformulate my question:
is there any way to EFFECTIVELY edit that file as 'superuser' in order
to change that file - either via Kate or via any other text editor
which has already been installed?

>.... sudo ifconfig eth0 up ....

I consulted the manual and carried out this command. But it did not
effectively activate 'eth0'.

>.... sudo dhclient .....
This command did mention useful info, like the IP address of my
ethernet modem....... However, it did not help me to activate eth0.

Thx. for replying. Respectfully yours,

Bas.

===============
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Van 't Hoffstraat 1
NL-3514 VT Utrecht
M. +31.6.446.835.10
T. +31.30.785.20.40
BasRoufs@gmail.com
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Bas Roufs wrote:

> Dear Alex, Brian and everybody else at this list
>
> Thanks for your suggestions so far. However, I still get stuck at some
> point. 'eth0' in the laptop is still 'down'. Quite probably I still
> overlook something;.

What kind of network card do you have? There is a problem with Intel e100
chipsets that sometimes results in the following in your syslog:

> e100: 0000:05:08.0: e100_eeprom_load: EEPROM corrupted

Basically, the only sure fix is a reboot.



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A couple of editors are installed by default, including 'pico', 'ed', and 'vi'.*
Both have somewhat idiosyncratic commands. I suggest looking at the man pages first otherwise you will get frustrated with them for sure.

I also suggest getting a handle on the things folks generally do to troubleshoot their networks. There are a lot of guides online for network troubleshooting with ubuntu
http://ubuntuforums.org/showthread.php?t=25557


On Thu, Jan 15, 2009 at 4:42 AM, Bas Roufs <basroufs@gmail.com> wrote:

Dear Alex, Brian and everybody else at this list



Thanks for your suggestions so far. However, I still get stuck at some

point. 'eth0' in the laptop is still 'down'. Quite probably I still

overlook something;.



> sudo /etc/init.d/networking restart



This command seems to work OK. But: .....



> .... file ...to edit: sudo emacs /etc/network/interfaces ..

> .....then you add "auto eth0"...

Quite probably you are right. 'eth0' is indeed the name of the

internet connection device available in my laptop; but that one is

still 'down'. However, I get stuck here, because I simply do not yet

manage to edit the file "/etc/network/interfaces" - because of

different reasons.

Packages like 'emacs' and 'midnight commander' are not yet available,

because they need to be installed first, for which I need an internet

connection with the laptop.

I do manage to open the file "/etc/network/interfaces" via another

texteditor, Kate, as 'normal user'. However, I do not manage to so as

'superuser' which I would need to do in order to effectively add 'auto

eth0' to that file. So, I need to reformulate my question:

is there any way to EFFECTIVELY edit that file as 'superuser' in order

to change that file - either via Kate or via any other text editor

which has already been installed?



>.... *sudo ifconfig eth0 up ....



I consulted the manual and carried out this command. But it did not

effectively activate 'eth0'.



>.... sudo dhclient .....

This command did mention useful info, like the IP address of my

ethernet modem....... However, it did not help me to activate eth0.



Thx. for replying. Respectfully yours,



Bas.



===============

Viaconsensus

Bas G. Roufs M.A.

Van 't Hoffstraat 1

NL-3514 VT *Utrecht

M. +31.6.446.835.10

T. +31.30.785.20.40

BasRoufs@gmail.com

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Dear Derek and everybody else

My eth0 connection at the laptop is still 'down' or 'unmanaged' ......

> What kind of network card do you have?

via 'sudo lspci' I found the following:
....
00:08.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL-8139/8139C/8139C+ (rev 10)


>There is a problem with Intel e100 chipsets that sometimes results in
> the following in your syslog:
>
>> e100: 0000:05:08.0: e100_eeprom_load: EEPROM corrupted

How or where can I find such a 'syslog'? The unix terminal does not
recognise the command 'syslog'.

Respectfully Yours,
Bas.




> Basically, the only sure fix is a reboot.
>
>
>
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Van 't Hoffstraat 1
NL-3514 VT Utrecht
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T. +31.30.785.20.40
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Bas Roufs wrote:

> Dear Derek and everybody else
>
> My eth0 connection at the laptop is still 'down' or 'unmanaged' ......
>
>> What kind of network card do you have?
>
> via 'sudo lspci' I found the following:
> ....
> 00:08.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
> RTL-8139/8139C/8139C+ (rev 10)
>
>
>>There is a problem with Intel e100 chipsets that sometimes results in
>> the following in your syslog:
>>
>>> e100: 0000:05:08.0: e100_eeprom_load: EEPROM corrupted
>
> How or where can I find such a 'syslog'? The unix terminal does not
> recognise the command 'syslog'.

It's not a problem - you have a realtek chipset, not Intel. However, fyi,
syslog is in /var/log/syslog. Get to know the "locate" command.




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Hello Derek and everybody

>> 00:08.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
>> RTL-8139/8139C/8139C+ (rev 10)

> It's not a problem - you have a realtek chipset, not Intel.

Good to know that there is at least one problem less :-).... However,
the eth0-connection is still 'unmanaged' in stead of 'active'.

Respectfully Yours,
Bas.


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Van 't Hoffstraat 1
NL-3514 VT Utrecht
M. +31.6.446.835.10
T. +31.30.785.20.40
BasRoufs@gmail.com
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