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diff --git a/chapter07/network.xml b/chapter07/network.xml new file mode 100644 index 000000000..67278f919 --- /dev/null +++ b/chapter07/network.xml @@ -0,0 +1,60 @@ +<sect1 id="ch07-network"> +<title>Configuring the network script</title> +<?dbhtml filename="network.html" dir="chapter07"?> + +<para>This section only applies if you're going to configure a network +card.</para> + +<sect2> +<title>Configuring default gateway</title> + +<para>If you're on a network you may need to setup the default gateway for +this machine. This is done by adding the proper values to the +/etc/sysconfig/network file by running the following:</para> + +<para><screen><userinput>cat >> /etc/sysconfig/network << "EOF"</userinput> +GATEWAY=192.168.1.2 +GATEWAY_IF=eth0 +<userinput>EOF</userinput></screen></para> + +<para>The values for GATEWAY and GATEWAY_IF need to be changed to match +your network setup. GATEWAY contains the IP address of the default +gateway, and GATEWAY_IF contains the network interface through which the +default gateway can be reached.</para> + +</sect2> + +<sect2> +<title>Creating network interface configuration files</title> + +<para>Which interfaces are brought up and down by the network script depends on +the files in the /etc/sysconfig/network-devices directory. This +directory should contain files in the form of ifconfig.xyz, where xyz is a +network interface name (such as eth0 or eth0:1)</para> + +<para>First let's create this directory by running:</para> + +<para><screen><userinput>mkdir /etc/sysconfig/nic-config</userinput></screen></para> + +<para>Now, new files are created in that directory containing the following. +The following command creates a sample ifconfig.eth0 file:</para> + +<para><screen><userinput>cat > /etc/sysconfig/network-devices/ifconfig.eth0 << "EOF"</userinput> +ONBOOT=yes +DEVICE=eth0 +IP=192.168.1.1 +NETMASK=255.255.255.0 +BROADCAST=192.168.1.255 +<userinput>EOF</userinput></screen></para> + +<para>Of course, the values of those variables have to be changed +in every file to match the proper setup. Usually NETMASK and BROADCAST +will remain the same, just the DEVICE and IP variables will change per +network interface. If the ONBOOT variable is set to yes, the network script +will bring it up during boot up of the system. If set to anything else but +yes it will be ignored by the network script and thus not brought up.</para> + +</sect2> + +</sect1> + |