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<!-- retain these comments for translator revision tracking -->
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<!-- $Id$ -->
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<sect2 arch="mipsel" id="boot-tftp"><title>Booting with TFTP</title>
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<sect3>
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<title>Cobalt TFTP Booting</title>
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<para>
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Strictly speaking, Cobalt does not use TFTP but NFS to boot. You need to
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install an NFS server and put the installer files in
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<filename>/nfsroot</filename>. When you boot your Cobalt, you have to
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press the left and the right cursor buttons at the same time and the
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machine will boot via the network from NFS. It will then display several
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options on the display. There are the following two installation methods:
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<itemizedlist>
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<listitem><para>
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Via SSH (default): In this case, the installer will configure the network
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via DHCP and start an SSH server. It will then display a random password
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and other login information (such as the IP address) on the Cobalt LCD.
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When you connect to the machine with an SSH client you can start with
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the installation.
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</para></listitem>
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<listitem><para>
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Via serial console: Using a null modem cable, you can connect to the serial
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port of your Cobalt machine (using 115200 bps) and perform the installation
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this way. This option is not available on Qube 2700 (Qube1) machines since
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they have no serial port.
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</para></listitem>
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</itemizedlist>
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</para>
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</sect3>
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<sect3>
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<!-- Note to translators: this is the same section as in mips.xml -->
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<title>Broadcom BCM91250A and BCM91480B TFTP Booting</title>
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<para>
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On the Broadcom BCM91250A and BCM91480B evaluation boards, you have to load the SiByl boot
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loader via TFTP which will then load and start the Debian installer. In
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most cases, you will first obtain an IP address via DHCP but it is also
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possible to configure a static address. In order to use DHCP, you can
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enter the following command on the CFE prompt:
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<informalexample><screen>
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ifconfig eth0 -auto
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</screen></informalexample>
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Once you have obtained an IP address, you can load SiByl with the following
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command:
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<informalexample><screen>
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boot 192.168.1.1:/boot/sibyl
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</screen></informalexample>
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You need to substitute the IP address listed in this example with either
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the name or the IP address of your TFTP server. Once you issue this
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command, the installer will be loaded automatically.
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</para>
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</sect3>
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</sect2>
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<sect2 arch="mipsel"><title>Boot Parameters</title>
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<sect3>
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<title>Cobalt TFTP Booting</title>
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<para>
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You cannot pass any boot parameters directly. Instead, you have to edit
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the <filename>/nfsroot/default.colo</filename> file on the NFS server and
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add your parameters to the <replaceable>args</replaceable> variable.
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</para>
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</sect3>
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<sect3>
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<!-- Note to translators: this is the same section as in mips.xml -->
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<title>Broadcom BCM91250A and BCM91480B TFTP Booting</title>
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<para>
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You cannot pass any boot parameters directly from the CFE prompt. Instead,
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you have to edit the <filename>/boot/sibyl.conf</filename> file on the TFTP
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server and add your parameters to the <replaceable>extra_args</replaceable>
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variable.
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</para>
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</sect3>
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</sect2>
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