error: couldn't find the ModemManager process in the bus

[Aleksander Morgado]

On Tue, Jul 28, 2015 at 1:39 AM, João M. S. Silva
<joao.m.santos.silva at gmail.com> wrote:
> Thank you Aleksander.
>
> I'm on Ubuntu so I tried this without success:
>
>   jmss at aida:~$ sudo update-rc.d modemmanager defaults
>   update-rc.d: /etc/init.d/modemmanager: file does not exist
>
> Then I looked inside /etc/init/modemmanager.conf and saw:
>
>   start on starting network-manager
>   stop on stopped network-manager
>
> Maybe I'm not running network-manager since this is a server without GUI?

Well, NetworkManager can be used in servers without GUI.

Check if it is installed, with e.g.:
$ dpkg -l | grep network


-- 
Aleksander
https://aleksander.es