[xubuntu-users] networking lost on upgrade
mailinglists at vinnl.nl
Fri Nov 21 13:59:07 UTC 2008
On Fri, Nov 21, 2008 at 10:44 AM, Gary Crosby <grcrosby at gmail.com> wrote:
> I just upgraded one of the family desktops to 8.10 and after rebooting
> I could not connect to the internet. Network options on the desktop
> are not helping. I looked at changing the settings at
> /etc/network/interfaces but it only made more problems. This is the
> first problem I have had upgrading in three years of using ubuntu. Any
> ideas. None of the GUI tools are making a difference nor are the cli
> tools that I know. Any ideas would be appreciated.
I just upgraded as well. Networking did work as it used to for me, but I did
notice that this wasn't using NetworkManager, the application that's
*supposed* to handle it now. If I'm right, the NetworkManager icon (in the
system tray, top right-hand corner by default) also doesn't appear for you,
and if you run "killall nm-applet && nm-applet" to restart it you'll get
some error message.
After some Googling, I found that you can re-enable it by removing the
previous configuration from /etc/network/interfaces. The following command
will backup your current interfaces file to /etc/network/interfaces~ and
create a new default configuration file with which NetworkManager will work:
sudo cp /etc/network/interfaces /etc/network/interfaces~ && echo -e "auto
lo\niface lo inet loopback" > /tmp/interfaces && sudo cp /tmp/interfaces
(Note that this will erase existing /etc/network/interfaces~ files, so don't
run it twice ;-)
After you then restart, the NetworkManager should re-appear and you might be
able to get it to work.
It might also, of course, be that you're experiencing an entirely different
problem. Some people have reported sucess using wicd in the past - have you
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