View Full Version : [ubuntu] New mystery Ethernet connection and vnstat problems

February 16th, 2011, 01:44 PM
Hi All,

Today I installed the latest updates from Ubuntu and restarted the machine. After I did I noticed Conky was not showing any network activity. I checked and I was indeed connected to the net. I noticed that my connection was now listed as eth1-eth0.

I don't know how this happened.

eth1-eth0 Link encap:Ethernet HWaddr 00:19:b9:84:0d:da
inet addr: Bcast: Mask:
inet6 addr: fe80::219:b9ff:fe84:dda/64 Scope:Link
RX packets:113104 errors:0 dropped:0 overruns:0 frame:0
TX packets:7160 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:15591968 (15.5 MB) TX bytes:1184941 (1.1 MB)

It had been eth0. I do have another connection called eth1 which is my wireless and is turned off.

I was able to get Conky to display again by changing the references from eth0 to eth1-eth0.

I'd like to setup vnstat to monitor my usage but when I try to create the database for vnstat using

vnstat -u -i eth1-eth0

I get this:

Error: Unable to read database "/var/lib/vnstat/eth1-eth0".
Error: Unable to write database "/var/lib/vnstat/eth1-eth0"

I would really appreciate any help/clarification anyone could give me with this.

February 16th, 2011, 04:25 PM

When I rebooted the computer this afternoon eth0 was back.

How can I make sure that vnstat runs at startup? I seem to have to manually refresh the database with
sudo vnstat -u -i eth0
to see any changes.

June 29th, 2011, 10:22 PM
Hi Got the same problem after reinstalling 10.04.1
it used to work sorry GrouchyGaijin (http://ubuntuforums.org/member.php?u=1160481), not much use to you