Re: eth0 "disabled" after upgrade Squeeze to Wheezy
On Fri, Nov 15, 2013 at 4:13 PM, Lisi Reisz <lisi.reisz@gmail.com> wrote:
> On Friday 15 November 2013 15:55:59 Lisi Reisz wrote:
>> On Friday 15 November 2013 15:29:00 Tom H wrote:
>>> On Fri, Nov 15, 2013 at 3:06 PM, Lisi Reisz
>>> <lisi.reisz@gmail.com> wrote:
>>>>
>>>> I have just upgraded a client's computer to Wheezy. It
>>>> appeared to go well and there was certainly an internet
>>>> connection: it would not have been able to upgrade otherwise!
>>>>
>>>> Now there is none. I have checked /etc/network/interfaces and
>>>> changed "allow-hotplug" to "auto", just for something to try.
>>>> :-( It made no difference. I pinged the gateway, largely so
>>>> that I could report that I had done so. I got the error
>>>> message "Network is unreachable".
>>>>
>>>> KControl tells me that eth0 is "disabled". How and why is it
>>>> disabled? More importantly, **how do I enable it?**
>>>
>>> Has eth0 been renamed? What's the output of "ip a"?
>>
>> # ifup -a
>> ifup: failed to open statefile /run/network/ifstate: No such file
>> or directory
>>
>> I misread at first - but "ifup a" produces the same result.
>>
>>> (Did you run "ifup -a" or "ifup eth0" after changing
>>> "allow-hotplug" to "auto"?)
>>
>> Yes - and have restarted several times now. :-(
>>
>> "ifconfig -a" shows eth0 and lo, neither of which has an IP.
>
> # mkdir /run/network
> # ifup lo
>
> lo now has an IP address.
> eth0 is still "unknown interface" :-(
cat /etc/network/interfaces
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