[Techtalk] Basic connection questions

[Wim De Smet]

FWIW, NetworkManager logs most of what it does to syslog (/var/log/syslog).
So if you read the stuff that gets logged right after boot, you should be
able to see if it is trying to manage your network interface or not. I
assume you already configured it to run in unmanaged mode.

To me it sounds like this is not an NM issue at all, but probably more of a
DHCP configuration issue. For instance, some servers require you to release
your previous lease if you do a fresh dhcprequest without releasing the
previous one, even if the standard probably says they should just reissue
it.

Wim


On Mon, May 27, 2013 at 8:07 AM, <mgmonza at sdf.lonestar.org> wrote:

> I know this isn't a really good place to ask this, but this time sponge
> has gotten out of hand.
>
> I know I shouldn't be using Windows-lite aka Ubuntu, but I haven't the $$
> to spend on an upgraded laptop and Ubuntu is what's on this one.
>
> On all my Debian desktops, I hacked, slashed and configured my way through
> getting inernet connections working using /etc/network/interfaces, mainly,
> plus a variety of utilities depending on the connection device.  All I did
> thereafter was ifup, ifdown, and ifconfig.
>
> Now with nm-applet, aka networking-manager, none of this works.  I gave in
> to the point of only asking that I be allowed to bring up the wired
> connection myself, eth0, and even that works only randomly and usually not
> at all.
>
> I've put the eth0 stanza in the interfaces file, and the network manager
> ignores it as requested but eth0 still won't connect to anything. I get the
> infuriating repetetive dhcpdiscover then sleep, with no other diagnostics,
> and no connection.  Then an untterly random connection -will- happen, work
> for a time, then drop.  I'd do without network manager altogether if
> wpa-supplicant didn't add a whole other layer of incoherent complexity.  I
> live in a too low a rent and too prone to hacking area to risk wep.
>
> I'm putting this question out on this list because I hate the
> Windowsesques, Simon Says, do this random illogical sequence of events and
> it -might- work nature of this problem.  Does anyone know or can anyone
> point me to an explanation of what's going on?
>
> MG
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