can only change network with GUI, not CLI

learnfast · 05-03-2005, 02:25 AM

Why is it that when I say

ifconfig eth0 10.10.0.3 netmask 255.255.0.0
/etc/init.d/network restart

it doesn't connect to the network (can't successfully ping other machines) but (in redhat) when I make the same changes with the GUI "network device control" it then connects to the network.

What else do I have to do beside the two above commands so I am not dependent on the GUI?

hw-tph · 05-03-2005, 03:14 AM

The network init script most likely reads its settings from a file. Use ifconfig eth0 up instead of running the init script.

Håkan

homey · 05-03-2005, 06:30 AM

Stop the network with the command: /etc/rc.d/init.d/network stop or
service network stop
Then use the -a option in ifconfig
For example: /sbin/ifconfig -a eth0 192.168.1.2 netmask 255.255.255.0
Verify the settings with /sbin/ifconfig eth0
Add the default gatway: /sbin/route add default gw 192.168.1.1
Verify the gateway setting: /sbin/route.
The line beginning with default should have your gateway under the gateway column.

You can edit / check the settings in the files

Code:

/etc/sysconfig/network-scripts/ifcfg-eth0

	DEVICE=eth0
	USERCTL=no
	ONBOOT=yes
	BOOTPROTO=none
	BROADCAST=192.168.1.255
	NETWORK=192.168.1.0
	NETMASK=255.255.255.0
	IPADDR=192.168.1.2

and  /etc/sysconfig/network.

	NETWORKING=yes
	HOSTNAME=comp1.mydomain.com
	FORWARD_IPV4=yes
	GATEWAYDEV=
	      GATEWAY=192.168.1.1

Don't forget to restart the network with the command: /etc/rc.d/init.d/network start or
service network start