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Today's Topics:
1. duplicate entries in /etc/resolv.conf (Doron Behar)
2. Re: Directly create settings to /var/lib/connmn to setup WiFi
(Jonah Petri)
----------------------------------------------------------------------
Message: 1
Date: Mon, 22 Apr 2019 14:10:51 +0300
From: Doron Behar <[email protected]>
To: [email protected]
Subject: duplicate entries in /etc/resolv.conf
Message-ID: <[email protected]>
Content-Type: text/plain; charset=utf-8
Hello connman devs,
Last update was wonderful - real support for iwd as a WiFi backend is a
great improvement and as I always say when reporting issues here, it's a
real pleasure using connman.
The reason I'm posting this thread is because connman does weird things
with it's /var/run/connman/resolv.conf (which I linked to
/etc/resolv.conf).
I'm connected both with WiFi and Ethernet to my home network but since
I've set PreferredTechnologies=ethernet,wifi my default route is through
the Ethernet connection - exactly as I want it.
I have a few other settings in my /etc/connman/main.conf so perhaps
they are the reason I'm having trouble with /etc/resolv.conf. Here it
is:
[General]
AutoConnectRoamingServices=true
PersistentTetheringMode=true
SingleConnectedTechnology=true
PreferredTechnologies=ethernet,wifi
AllowDomainnameUpdates=false
AllowHostnameUpdates=false
The problem I'm having is that I get duplicate entries in
/etc/resolv.conf, perhaps because I'm connected to the same network
twice. This is the /etc/resolv.conf connman comes up with whenever I
boot:
search Home Home Home
nameserver fdc9:8a32:cbfb:0:16ae:dbff:fe55:f320
nameserver fdc9:8a32:cbfb:0:16ae:dbff:fe55:f320
nameserver 192.168.14.1
Every once in a while (not only after boot), I need to change
/etc/resolv.conf to this when I feel the internet becomes slow:
search Home
nameserver fdc9:8a32:cbfb:0:16ae:dbff:fe55:f320
nameserver 192.168.14.1
Since the `search` entry seems to be related to my domain, I've added
AllowDomainnameUpdates=false in order to mitigate that but it doesn't
help.
Perhaps I don't understand well the configuration file parameters,
although I've read the manpage thoroughly. Anyway, I think connman
should avoid writing a `resolv.conf` file with duplicate entries like it
does to mine.
Waiting for your reply, Thanks.
Doron.
------------------------------
Message: 2
Date: Mon, 22 Apr 2019 10:07:30 -0400
From: Jonah Petri <[email protected]>
To: JH <[email protected]>
Cc: connman <[email protected]>
Subject: Re: Directly create settings to /var/lib/connmn to setup WiFi
Message-ID: <[email protected]>
Content-Type: text/plain; charset=us-ascii
Hello JH,
The standard way to configure connman non-interactiively is via a config file.
https://jlk.fjfi.cvut.cz/arch/manpages/man/connman-service.config.5
You write something like this into /var/lib/connman/wifi.config:
[service_YOUR_NAME_HERE]
Type=wifi
SSID=XXXX
Passphrase=XXXX
The SSID is hex-encoded, and the passphrase is based on the output of the
wpa_passphrase utility.
That should be sufficient for simple cases, where you can let dhcp do the rest.
Jonah
> On Apr 21, 2019, at 12:46 AM, JH <[email protected]> wrote:
>
> Hi Stephen,
>
> Thanks for the response, unless I am missing things here, it did not
> work on my imx dev board, I copied pre-configured wifi settings to the
> /var/lib/connman, pull the Ethernet cable out, the WiFi interface did
> not come up in ifconfig command, doesn't look like that inotify could
> automatcially update the network interfaces, do I need to call some
> command in connmanctl manually to update the network interfaces?
>
> Thank you.
>
> Kind regards,
>
> - jupiter
>
> On 4/21/19, Stephen Dawson-Haggerty <[email protected]> wrote:
>> Pretty sure that works. It uses inotify to watch those files.
>>
>> On Sat, Apr 20, 2019 at 4:21 AM JH <[email protected]> wrote:
>>
>>> Hi,
>>>
>>> In an embedded system, there is no interactive manual involvement to
>>> setup WiFi from the command line connmanctl, rather than calling
>>> connmanctl command line to set up WiFi manually, can it be done in a C
>>> program to create the WiFi service
>>> wifi_d4ca6e001bc0_5450472d4d434e46_managed_psk, and to create the
>>> settings file to
>>> /var/lib/connmn/wifi_d4ca6e001bc0_5450472d4d434e46_managed_psk/settings?
>>>
>>> This is an essential requirement for almost every embedded system, but
>>> no one talked about it, how did you accomplish it? Are you all using
>>> command line connmanctl?
>>>
>>> Thank you.
>>>
>>> Kind regards,
>>>
>>> - jupiter
>>> _______________________________________________
>>> connman mailing list
>>> [email protected]
>>> https://lists.01.org/mailman/listinfo/connman
>>>
>> --
>>
>> *Steve Dawson-Haggerty* | CTO and Co-Founder
>>
>> (631) 741-3378
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