:: Re: [DNG] howto wifi roaming [was R…
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Auteur: Didier Kryn
Date:  
À: dng@lists.dyne.org
Sujet: Re: [DNG] howto wifi roaming [was Re: Systemd Shims]
Le 19/08/2015 14:35, Svante Signell a écrit :
> On Wed, 2015-08-19 at 12:03 +0200, Didier Kryn wrote:
>> Le 19/08/2015 01:37, Isaac Dunham a écrit :
>>> On Tue, Aug 18, 2015 at 02:19:20PM +0200, Didier Kryn wrote:
>>>> Le 18/08/2015 12:49, Edward Bartolo a écrit :
>>>>> At the moment I am stuck trying to use sudo to run ifup from within my
>>>>> frontend.
>>>>       Just in case, here are a few things I know about wpa_supplicant:

>>>>
>>>>        wpa_supplicant does ifups automatically when it connects to a wifi
>>>> station. If an interface name is not specified in wpa_supplicant.conf, in
>>>> the proper section of this station, it ifups the interface named "default".

>>>>
>>>>       Therefore you shouldn't ifup yourself. You only need to fill the
>>>> configuration files, wpa_supplicant.conf, via the control socket and
>>>> interfaces by some method probably involving sudo.
>>> I've not been able to figure out what that would look like.
>>> Could you give a sample wpa_supplicant.conf and /etc/network/interfaces?
> ...

>
> I only have /etc/network/interfaces populated:
> auto ra0
> iface ra0 inet dhcp
> wpa-driver wext
> wpa-ssid xxxxx
> wpa-psk yyyyyy
>
> And wpa_supplicant runs as:
> /sbin/wpa_supplicant -s -B -P /run/wpa_supplicant.ra0.pid -i ra0 -D wext
> -C /run/wpa_supplicant


     So you have wpa_supplicant started in daemon mode by init?


     I don't know who invokes ifup wlan0 on my computer, and when; but I 
understand now that having it configured with the method "manual" causes 
all scripts in /etc/if-up.d to be executed, and one of them is 
/etc/wpa_supplicant/ifupdown.sh, which launches wpa_supplicant in daemon 
mode, like in your case, except it is not done by init.


     I don't know what the wicd daemon is for. Does it manage Ethernet 
interfaces as well?


     Didier