2016-11-02 12:25 GMT+01:00 Uwe Brauer <oub.oub.oub@...>:
>
> Hi
>
> I am running Trinity, having installed it from the latest CD live, using
> Ubuntu 14.04. On monday I set my wired net with the tdenetworkmanager only.
>
>
> Everything worked fine, the connection was set manually, the connected
> icon for wired showed up.
>
> Then yesterday, I connected to a wirless net, using tdenetworkmanager,
> again everything fine.
>
> Today I deactivated the wireless card and  tried to connect again to
> the wired net. It did not work.
>
> I found out that the resolv.conf file, which is a link from
> /run/resolv/resolv.conf --> /etc/resolv.conf was empty. So I manually
> set a new connection, but the resolv.conf file was not changed, I
> replaced the resolv.conf file by the correct file and then the
> connection worked, however the icon, still shows wired connection *not*
> connected. This is annoying.
>
> Does anybody using the same distribution have this problem and knows a
> solution?
>
> Thanks
>
> Uwe Brauer

Hello,
I'm using Debian, so it could be different for you.
But you have to comment your eth0 lines on your file /etc/network/interfaces.
And you have to change the bolean of ifup line on the file
/etc/Networkmanager/Networkmanager.conf
Try to do it an reboot ?
Bye ;)