Probably stupid question, but

Carl Ancliff carlancliff1995 at hotmail.co.uk
Wed Sep 4 18:55:58 UTC 2013


fuck off

> Date: Wed, 4 Sep 2013 14:51:45 -0400
> Subject: Re: Probably stupid question, but
> From: tomh0665 at gmail.com
> To: ubuntu-users at lists.ubuntu.com
> 
> On Tue, Sep 3, 2013 at 5:10 PM, Paul Smith <paul at mad-scientist.net> wrote:
> > On Tue, 2013-09-03 at 20:43 +0100, Colin Law wrote:
> >>>
> >>> And it should definately be intelligent enough to understand that if someone
> >>> has defined a static ip address for their machine, it should not just
> >>> blindly ignore it and go for DHCP. Maybe it could check first to see if DHCP
> >>> is available. Maybe it can still do its thing but in such a way that the
> >>> static IP address is kept as it was. I don't care what it does, as long as
> >>> it does not break network connectivity. And currently, (or at least last
> >>> time I checked), it does.
> >>
> >> I can't understand what is the problem that others seem to have with
> >> fixed ip addresses in network manager.  I use fixed IP addresses
> >> simply by setting the Method to Manual in IPv4 Settings in NM and
> >> entering the address etc.  I have no problems at all with this.
> >
> > I agree with you Colin.  I've done this many times and it works
> > perfectly fine.  You can set IP address, netmask, broadcast, DNS server,
> > etc. using the NetworkManager configuration.  If there is a situation
> > where this fails, please describe it.
> >
> > NetworkManager absolutely supports static IP addressing.  What it
> > _doesn't_ support is "Joe's Linux Distro Network Interface Configuration
> > File Format".  If you want static IP addresses then you need to use
> > NetworkManager to configure them, you can't go behind its back and muck
> > around with underlying files such as /etc/network/interfaces
> > or /etc/sysconfig/networking or whatever magical file format your distro
> > of choice invented, and expect it to work.  NetworkManager is not an
> > Ubuntu-only tool, it's a generic package used by most distros.
> >
> > If you want to manage your network interfaces by hand and edit
> > underlying files directly, then don't use Network Manager; that's fine.
> > But don't blame Network Manager for being broken when you're
> > purposefully breaking it.
> 
> NM has plugins to handle Red Hat and Debian/Ubuntu networking configuration.
> 
> For the former it's called ifcfg-rh and it reads
> "/etc/sysconfig/networking-scripts/ifcfg-*" interface files (including
> setups for bonds, bridges, and vlans).
> 
> For the latter it's called ifupdown and it reads
> "/etc/network/interfaces" if the plugin's enabled in
> "/etc/NetworkManager/NetworkManager.conf".
> 
> (To be accurate, you have to enable ifcfg-rh or ifupdown in
> "/etc/NetworkManager/NetworkManager.conf" for them to be loaded but
> that's done automatically by the NM maintainers. For ifupdown, you
> have to enable a second setting in that file.)
> 
> You can also use NM-native config files in
> "/etc/NetworkManager/system-setting/" if the keyfile plugin is loaded
> (again it's enabled automatically by the distributions).
> 
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