Network Management - probably pebcak needs sorting

[Martin Kho]

On Monday 08 March 2010 18:15:06 Martin Kho wrote:
> On Monday 08 March 2010 17:53:44 Anne Wilson wrote:
> > On Monday 08 March 2010 16:36:25 Martin Kho wrote:
> > > On Monday 08 March 2010 17:17:51 Anne Wilson wrote:
> > > > On Monday 08 March 2010 16:09:44 Patrick Boutilier wrote:
> > > > > On 03/08/2010 12:06 PM, Anne Wilson wrote:
> > > > > > On Monday 08 March 2010 15:55:45 Anne Wilson wrote:
> > > > > >> On Monday 08 March 2010 14:37:47 Thomas Janssen wrote:
> > > > > >>> Do try the NetoworkManager-gnome (nm-applet). I had a different
> > > > > >>> problem, not solvable with knetworkmanager, but with nm-applet.
> > > > > >> 
> > > > > >> I could try it again, but of course the reason I was trying
> > > > > >> knetwork manager was because NetworkManager-gnome wasn't
> > > > > >> working.
> > > > > >> 
> > > > > >>  Still, it's worth a try, since I tried to change over before
> > > > > >>  the
> > > > > >> 
> > > > > >> 4.4.1 update. I'll report back.
> > > > > > 
> > > > > > Is there no way of restarting things like this, without
> > > > > > rebooting? It's beginning to feel like windows!  AIUI the
> > > > > > command 'service network restart' can't be used if
> > > > > > NetworkManager-gnome is to control it.  Is that right?
> > > > > 
> > > > > service NetworkManager restart
> > > > 
> > > > service NetworkManager restart
> > > > Stopping NetworkManager daemon:                            [  OK  ]
> > > > Setting network parameters...                              [  OK  ]
> > > > Starting NetworkManager daemon:                            [  OK  ]
> > > > [root at anne-laptop ~]# ifup eth0
> > > > 
> > > > Determining IP information for eth0...dhclient(6296) is already
> > > > running - exiting.
> > > > 
> > > > This version of ISC DHCP is based on the release available
> > > > on ftp.isc.org.  Features have been added and other changes
> > > > have been made to the base software release in order to make
> > > > it work better with this distribution.
> > > > 
> > > > Please report for this software via the Red Hat Bugzilla site:
> > > >     http://bugzilla.redhat.com
> > > > 
> > > > exiting.
> > > > 
> > > >  failed.
> > > > 
> > > > I think I'm beaten.
> > > > 
> > > > Just one thought - I have no idea why, but on this laptop eth0 is
> > > > defined as the wireless interface and eth1 is the cabled one.  I
> > > > didn't do this - the setup did - but I'm beginning to wonder whether
> > > > it's relevant.
> > > 
> > > What have in /etc/sysconfig/network-scripts/ifcfg-eth[0,1]? Do they
> > > exist?
> > 
> > Experimenting in system-config-network I changed eth0 to wlan0, but ifup
> > wlan0 gives the same errors.
> 
> Running system-config-network sets up network not NetworkManager. 

My formulation is not good: Better is - I think - NetworkManager doesn't need 
system-config-network to set up the network, network does.

> In my
> config for eth0 I only have:
> 
> "# Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit
> Ethernet controller
> DEVICE=eth0
> HWADDR=00:18:F3:8A:F3:D6"
> 
> The rest is set up by NetworkManager. In
> /var/lib/dhclient/dhclient-<big number>-eth[0,1].lease you'll find the find
> the set up info.
> 
> > ifcfg-wlan0
> > # Intel Corporation PRO/Wireless 2200BG [Calexico2] Network Connection
> > DEVICE=eth0
> > BOOTPROTO=dhcp
> > HWADDR=xx:xx:xx:xx:xx:xx
> > ONBOOT=yes
> > DNS2=212.23.3.100
> > TYPE=Wireless
> > DNS1=192.168.0.1
> > NM_CONTROLLED=yes
> > USERCTL=yes
> > PEERDNS=yes
> > IPV6INIT=yes
> > MODE=Managed
> > RATE=auto
> > ESSID=
> > CHANNEL=
> > 
> > (the firmware is installed)
> > 
> > ifcfg-eth1
> > # Broadcom Corporation NetXtreme BCM5788 Gigabit Ethernet
> > DEVICE=eth1
> > BOOTPROTO=dhcp
> > HWADDR=xx:xx:xx:xx:xx:xx
> > ONBOOT=yes
> > TYPE=Ethernet
> > IPV6INIT=no
> > USERCTL=no
> > 
> > Anne