Re: NetworkManager dispatchers



Hi Ali,


On Mon, 2016-02-29 at 17:40 -0800, Ali Nematollahi wrote:
Thanks! I've looked at nmcli radio but there is no good documentation
I could find for the version I am using. All of the documentation is
for newer version and don't apply.

First of all, when I do:

nmcli nm wwan
WWAN
disabled

Then I do:
 nmcli nm wwan on
nmcli nm wwan
WWAN
disabled

nmcli nm status
RUNNING         STATE           WIFI-HARDWARE   WIFI       WWAN-
HARDWARE   WWAN
running         connected       enabled         enabled    enabled  
      disabled





I was reading on google somewhere that I need a config file
in: /etc/NetworkManager/system-connections/
so I put one in:

cat /etc/NetworkManager/system-connections/radio
[connection]
id=MyWwanConnection
type=gsm

[ipv4]
method=auto

[gsm]
number=*99#
apn=mnet.bell.ca.ioe


restarted NM, did the same thing, no difference.

That doesn't sound like a good advice from the internet.



Any documentation for 0.9.4.0 that I can use to figure this out? Can
someone help me with setting up the radio connections? I'm having no
luck.

First, enable debug logging. For that, edit
/etc/NetworkManager/NetworkManager.conf to have a section

[logging]
level=DEBUG


then, restart NetworkManager, reproduce the issue and show the logfile.
The logfile you will find somewhere in syslog, search in /var/log.


good luck,
Thomas



Thanks



On Fri, Feb 26, 2016 at 2:22 PM, Dan Williams <dcbw redhat com>
wrote:
On Fri, 2016-02-26 at 10:50 -0800, Ali Nematollahi wrote:
Thanks!

How to I enable "service called NetworkManager-dispatcher or
nm-dispatcher"? When I search for "dispatcher" in my filesystem
only
these
come up:
/etc/NetworkManager/dispatcher.d
/etc/dbus-1/system.d/nm-dispatcher.conf
/usr/share/dbus-1/system-
services/org.freedesktop.nm_dispatcher.service
/usr/lib/NetworkManager/nm-dispatcher.action
/usr/sbin/usb_modeswitch_dispatcher


Starting MM as a service makes perfect sense.
The question is however, how do I find out when to say "enable"
the
modem,
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
service).

Dan

Thanks!


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

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
get
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
directories
are executable (a+x). But I cannot seem to get the scripts to
run.

Can someone help me with this please?
NetworkManager --version
0.9.4.0

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
be
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
interface.

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


Thomas

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