Re: I want to do network management on the command line

On Thu, Nov 24, 2011 at 3:48 PM, Rashkae <ubuntu@xxxxxxxxxxxxxxx> wrote:
On 11/24/2011 03:44 PM, Kevin O'Gorman wrote:

Because I use live disks and static IPs a lot, I want a way to script
the network setup.  As it is, the GUI interface through
System->Preferences->Network Connections is slow and when done a lot
it's error-prone.  I'd much prefer a way to do it in a script that I
could, for instance, invoke from a USB drive.

I know some commands that do the trick.  The problem is that the
network management stuff cancels my work within a minute or so.  I
tried disabling a few things, but have not come up with a procedure
that's reliable. I also have not found where the Network Manager's
configuration files are kept, if they're on disk at all.

Help?


Ubuntu comes with 2 network systems, Network Manager, and good ol fashioned
Debian networking.  There is a CLI/console interface to network manager, but
I think what you really want is the classic debian networking.  Therefore
either uninsall Network Manager or stop the service from starting.  (You
would have to edit the network manager script in /etc/init to stop it from
starting automatically.)

Once network manager is tamed, then you can make the appropriate entries in
/etc/network/interfaces (see man interfaces.)

My usual CLI tools are ifconfig and route. This can establish the
simple setup I need.

My problem is usually with having my changes reversed. Since I intend
to use this
in a live disk, changing files is not usually all that helpful and
it's too late to stop
any automated services from starting.

I'll have to check, but I seem to recall that I either was unable to
identify the service
to stop, or what I stopped was the wrong thing (because my setup got cancelled
anyway).


--
Kevin O'Gorman, PhD

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