What pgm reads the /etc/network/interfaces file? (NetworkManager broken?)

Charles Smith cts.private at yahoo.com
Sun Jun 28 17:11:05 UTC 2009

--- On Sat, 6/27/09, Steven Susbauer <steven at too1337.com> wrote:

> From: Steven Susbauer <steven at too1337.com>
> Subject: Re: What pgm reads the /etc/network/interfaces file? (Installation WPA worked great! Too bad I messed with it!)
> To: cts.private at yahoo.com, "Ubuntu user technical support, not for general discussions" <ubuntu-users at lists.ubuntu.com>
> Date: Saturday, June 27, 2009, 1:59 PM
> cts.private at yahoo.com
> wrote:
> > After installing Ubuntu 8.04 (from 2008/06/14) my
> wireless worked great.  But then I noticed it was
> picking up its IP address from DHCP so I changed it to
> static.  At least, that's all I remember doing.
> > 
> > Anyway, now Ubuntu doesn't connect to my WIFI router
> anymore when I start the system.
> > 
> > I have to re-enter the WPA key into the nm-applet -
> about 12 clear-text characters, and then everything works
> fine again.  But the next time I start Ubuntu, the 12
> dots are replaced with enough dots to cover the encrypted
> version (which has been encrypted correctly and stored in
> /etc/network/interfaces) - when I re-enter the clear-text
> (which is covered by dots), I'm connected again.
> > 
> > It's like, the system is taking the argument to
> wpa-psk (as written by nm-applet) as if it it's clear text!
> > 
> > 
> You should not use /etc/network/interfaces to store
> configuration
> information when using NetworkManager. NM stores
> configuration in itself.

I didn't change /etc/network/interface, the NetworkManager did.

I changed the IP address to static from within the NetworkManager, and then it wouldn't connect anymore without re-entering the passphrase each time.

How can I re-establish what the installation program originally set up?

And, what pgm reads /etc/network/interface at boot time?


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