Re: NetworkManager dispatchers

On Fri, 2016-02-26 at 10:50 -0800, Ali Nematollahi wrote:

How to I enable "service called NetworkManager-dispatcher or
nm-dispatcher"? When I search for "dispatcher" in my filesystem only
come up:

Starting MM as a service makes perfect sense.
The question is however, how do I find out when to say "enable" the
or to do a simple-connect? I was planning on using the dispatchers
for all
of that, to automate all of those. So basically:

NetworkManager will take care of that, if 'wwan' radios are enabled.
 See 'nmcli radio'.  As long as 'nmcli radio' reports WWAN enabled, and
as long as your machine has no airplane switch for WWAN (or if it does
the switch enables the WWAN), NetworkManager will enable the modem when
it is discovered by ModemManager and it will be available to connect
with from NetworkManager.

Recent versions of NetworkManager (1.0.8+) also have support for WWAN
autoconnect, so I don't think you need a dispatcher script here at all.

- MM starts
- modem comes up, status -> Disabled
   - dispatcher kicks in: status -> Enabled
- dispatcher kicks in: simple-connect

Dispatcher scripts only trigger on connection up/down, so you don't get
any events on modem status changes.  But that shouldn't matter, since
NetworkManager can take care of all of the WWAN connection stuff as
long as ModemManager is up and running (like if its run as a system



On Fri, Feb 26, 2016 at 12:36 AM, Thomas Haller <thaller redhat com>

On Thu, 2016-02-25 at 17:16 -0800, Ali Nematollahi wrote:
Hi guys

I'm trying to experiment with NM dispatchers but I can't seem to
anything done. I have a very basic script
in /etc/NetworkManager/dispatcher.d/02test:

#!/bin/sh -e

echo "Starting ModemManager"
ModemManager --debug &

But it is not running. I have made sure the scripts and
are executable (a+x). But I cannot seem to get the scripts to

Can someone help me with this please?
NetworkManager --version

You probably also need to enable a service called NetworkManager-
dispatcher or nm-dispatcher.

Question 2: I wanted to use the dispatcher script to start
ModemManager on startup and to enable the 3G modem I have. Can it
done? I have seen examples of how to start a connection when an
interface comes up but nothing that could help me with this.

It looks very wrong to start ModemManager from a dispatcher script.
Those scripts are invoked often and at various times, you don't
want to
start ModemManager every time something happens with a networking

Instead, start ModemManager as a regular system service, just like


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