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git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@1445 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
This commit is contained in:
Gerard Beekmans
parent
a3be86d628
commit
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@ -8,7 +8,7 @@
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&c7-setclock;
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&c7-setclock;
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&c7-hostname;
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&c7-hostname;
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&c7-hosts;
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&c7-hosts;
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&c7-ethnet;
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&c7-network;
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</chapter>
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</chapter>
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@ -1,166 +0,0 @@
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<sect1 id="ch07-ethnet">
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<title>Creating the ethnet script</title>
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<?dbhtml filename="ethnet.html" dir="chapter07"?>
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<para>This section only applies if a user is going to configure a network card.
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If not, this section can be skipped.</para>
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<para>Create the <filename>/etc/init.d/ethnet</filename> script by running the
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following command:</para>
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<para><screen><userinput>cat > /etc/init.d/ethnet << "EOF"</userinput>
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#!/bin/sh
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# Begin /etc/init.d/ethnet
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#
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# Main script by Gerard Beekmans - gerard@linuxfromscratch.org
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# GATEWAY check by Jean-François Le Ray - jfleray@club-internet.fr
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# "Specify which IF to use to reach default GATEWAY" by
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# Graham Cantin - gcantin@pacbell.net
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#
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#
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# Include the functions declared in the /etc/init.d/functions file
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# and the variables from the /etc/sysconfig/network file.
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#
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source /etc/init.d/functions
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source /etc/sysconfig/network
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case "$1" in
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start)
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#
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# Obtain all the network card configuration files
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#
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for interface in $(/bin/ls /etc/sysconfig/nic-config/ifcfg* | \
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grep -v ifcfg-lo)
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do
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#
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# Load the variables from that file
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#
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source $interface
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#
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# If the ONBOOT variable is set to yes, process this file and bring the
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# interface up.
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#
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if [ "$ONBOOT" == yes ]
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then
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echo -n "Bringing up the $DEVICE interface..."
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/sbin/ifconfig $DEVICE $IP broadcast $BROADCAST \
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netmask $NETMASK
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evaluate_retval
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fi
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done
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#
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# If the /etc/sysconfig/network file contains a GATEWAY variable, set
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# the default gateway and the interface through which the default
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# gateway can be reached.
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#
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if [ "$GATEWAY" != "" ]; then
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echo -n "Setting up routing for $GATEWAY_IF interface..."
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/sbin/route add default gateway $GATEWAY \
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metric 1 dev $GATEWAY_IF
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evaluate_retval
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fi
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;;
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stop)
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#
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# Obtain all the network card configuration files
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#
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for interface in $(/bin/ls /etc/sysconfig/nic-config/ifcfg* | \
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grep -v ifcfg-lo)
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do
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#
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# Load the variables from that file
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#
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source $interface
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#
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# If the ONBOOT variable is set, process the file and bring the
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# interface down
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#
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if [ $ONBOOT == yes ]
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then
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echo -n "Bringing down the $DEVICE interface..."
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/sbin/ifconfig $DEVICE down
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evaluate_retval
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fi
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done
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;;
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restart)
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$0 stop
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sleep 1
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$0 start
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;;
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*)
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echo "Usage: $0 {start|stop|restart}"
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exit 1
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;;
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esac
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# End /etc/init.d/ethnet
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<userinput>EOF</userinput></screen></para>
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<sect2>
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<title>Adding default gateway to /etc/sysconfig/network</title>
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<para>If a default gateway is required to be setup, the
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following command does that:</para>
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<para><screen><userinput>cat >> /etc/sysconfig/network << "EOF"</userinput>
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GATEWAY=192.168.1.2
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GATEWAY_IF=eth0
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<userinput>EOF</userinput></screen></para>
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<para>GATEWAY and GATEWAY_IF need to be changed to match the network setup.
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GATEWAY contains the address of the default gateway, and GATEWAY_IF
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contains the network interface through which that default gateway can
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be reached.</para>
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</sect2>
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<sect2>
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<title>Creating NIC configuration files</title>
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<para>Which interfaces are brought up and down by the ethnet script depends on
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the files in the /etc/sysconfig/nic-config directory. This
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directory should contain files in the form of ifcfg-x where x is an
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identification number (or whatever a user named it).</para>
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<para>First the nic-config directory is created by running:</para>
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<para><screen><userinput>mkdir /etc/sysconfig/nic-config</userinput></screen></para>
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<para>Now, new files are created in that directory containing the following.
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The following command creates a sample file ifcfg-eth0:</para>
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<para><screen><userinput>cat > /etc/sysconfig/nic-config/ifcfg-eth0 << "EOF"</userinput>
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ONBOOT=yes
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DEVICE=eth0
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IP=192.168.1.1
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NETMASK=255.255.255.0
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BROADCAST=192.168.1.255
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<userinput>EOF</userinput></screen></para>
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<para>Of course, the values of those four variables have to be changed
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in every file to
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match the proper setup. Usually NETMASK and BROADCAST will remain the
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same, just the DEVICE and IP variables will change per network interface. If
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the ONBOOT variable is set to yes, the ethnet script will bring it up
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during boot up of the system. If set to anything else but yes it will be
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ignored by the ethnet script and thus not brought up.</para>
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</sect2>
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</sect1>
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60
chapter07/network.xml
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60
chapter07/network.xml
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@ -0,0 +1,60 @@
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<sect1 id="ch07-network">
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<title>Configuring the network script</title>
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<?dbhtml filename="network.html" dir="chapter07"?>
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<para>This section only applies if you're going to configure a network
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card.</para>
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<sect2>
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<title>Configuring default gateway</title>
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<para>If you're on a network you may need to setup the default gateway for
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this machine. This is done by adding the proper values to the
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/etc/sysconfig/network file by running the following:</para>
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<para><screen><userinput>cat >> /etc/sysconfig/network << "EOF"</userinput>
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GATEWAY=192.168.1.2
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GATEWAY_IF=eth0
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<userinput>EOF</userinput></screen></para>
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<para>The values for GATEWAY and GATEWAY_IF need to be changed to match
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your network setup. GATEWAY contains the IP address of the default
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gateway, and GATEWAY_IF contains the network interface through which the
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default gateway can be reached.</para>
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</sect2>
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<sect2>
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<title>Creating network interface configuration files</title>
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<para>Which interfaces are brought up and down by the network script depends on
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the files in the /etc/sysconfig/network-devices directory. This
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directory should contain files in the form of ifconfig.xyz, where xyz is a
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network interface name (such as eth0 or eth0:1)</para>
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<para>First let's create this directory by running:</para>
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<para><screen><userinput>mkdir /etc/sysconfig/nic-config</userinput></screen></para>
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<para>Now, new files are created in that directory containing the following.
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The following command creates a sample ifconfig.eth0 file:</para>
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<para><screen><userinput>cat > /etc/sysconfig/network-devices/ifconfig.eth0 << "EOF"</userinput>
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ONBOOT=yes
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DEVICE=eth0
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IP=192.168.1.1
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NETMASK=255.255.255.0
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BROADCAST=192.168.1.255
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<userinput>EOF</userinput></screen></para>
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<para>Of course, the values of those variables have to be changed
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in every file to match the proper setup. Usually NETMASK and BROADCAST
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will remain the same, just the DEVICE and IP variables will change per
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network interface. If the ONBOOT variable is set to yes, the network script
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will bring it up during boot up of the system. If set to anything else but
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yes it will be ignored by the network script and thus not brought up.</para>
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</sect2>
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</sect1>
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@ -336,7 +336,7 @@
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<!ENTITY c7-setclock SYSTEM "chapter7/setclock.xml">
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<!ENTITY c7-setclock SYSTEM "chapter7/setclock.xml">
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<!ENTITY c7-hostname SYSTEM "chapter7/hostname.xml">
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<!ENTITY c7-hostname SYSTEM "chapter7/hostname.xml">
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<!ENTITY c7-hosts SYSTEM "chapter7/hosts.xml">
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<!ENTITY c7-hosts SYSTEM "chapter7/hosts.xml">
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<!ENTITY c7-ethnet SYSTEM "chapter7/ethnet.xml">
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<!ENTITY c7-network SYSTEM "chapter7/network.xml">
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<!ENTITY chapter8 SYSTEM "chapter8/chapter8.xml">
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<!ENTITY chapter8 SYSTEM "chapter8/chapter8.xml">
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<!ENTITY c8-introduction SYSTEM "chapter8/introduction.xml">
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<!ENTITY c8-introduction SYSTEM "chapter8/introduction.xml">
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