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Network configuration 125

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The output of this command shows a list of all ethernet cards and gives the in-

formation if the connection is working properly or not.

If a ethernet card is not able to be activated in the graphical tool, you can use the

following commands (in this example for ‚eth0‘):

service network restart

ifdown eth0

ifup eth0

10.4 Configuring the laboratory network by DHCP

1. Click <red hat> → System Settings → Network

a window Query will appear and asks for the root password

• enter root password

2. A window Network Configuration will appear

• On the tab pane Devices click on eth0 and click Edit . Note that it is neces-

sary to use eth0 for your internet connection, because eth1 is required for

your spectrometer network connection.

1. The shell command for starting the network configuration is:

system-config-network or simply neat

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Red Hat ENTERPRISE LINUX WS 2.1 - Guia de Instalação Página 125