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Getting Started - PXE boot (v0.10.x)

By punkytse - Posted on 01 May 2015

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                         { V o y a g e } - L i n u x
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This README.pxe provide information on how to start a PXE+NFS server for 
network booting environment using Voyage Live CD. This is useful to install 
voyage from Live CD over the network.

Starting the Live CD as PXE server

To start PXE environment from live-cd, after login root (password: voyage) ,

	# remountrw
	# /etc/init.d/voyage-pxe start 

where  is the serial console speed.  Without this parameter, the 
default is 9600.  Hence, to start PXE server for WRAP/ALIX board, you should:

	# remountrw
	# /etc/init.d/voyage-pxe start 38400
You can also set  to 0 to disable serial console.  This is useful 
for booting generic PC.

The PXE enviroment on the Live CD assumes eth0 is connected to the network.  
/etc/init.d/voyage-pxe will set to eth0, start a TFTP and NFS
sevice, also start dnsmasq to offer DHCP lease of for netboot.

To shutdown PXE server environment, 

	# /etc/init.d/voyage-pxe stop

Booting a PXE client and starting automated installation

Start your WRAP/Soekric board or PC to boot from network. When the bootloader 
is loaded, you have several options:
  1. PXE Boot Voyage Linux with a login shell
  2. Start automated install for WRAP (/dev/hda and 38400 serial console)
  3. Start automated install for ALIX (/dev/hda and 38400 serial console)
  4. Start automated install for APU (/dev/hda and 115200 serial console)
  5. Start automated install for 45/48xx (/dev/hda and 19200 serial console)
  6. Start automated install for 55xx (/dev/hda and 19200 serial console)
  7. Start automated install for 6501 (/dev/hda and 19200 serial console)
  8. Start automated install for gerenic PC (/dev/hda and no serial console)

The boot prompt will wait for 5 seconds.  After the timeout, option 1 (login
shell) will be started automatically. 

*** Please note that option 2-6 for automated install will erase your disk on
    /dev/hda and install a fresh copy of Voyage Linux.  Make sure you know what 
    it is going to do before choosing option 2-6.

Installing Voyage Linux on a PXE booted environment

If you want to go through all the steps for manual install, select option 1.
After boot with a login shell, you can login as root.  To install voyage under 
netboot environment, you can follow the below procedures:

1. Create distribution directory for installation

	# mkdir /tmp/root
	# mount -o loop /lib/live/mount/medium/live/filesystem.squashfs /tmp/root
	# cd /tmp/root

Note: for version < 0.9~rc2, use
	mount -o loop /live/image/live/filesystem.squashfs /tmp/root

2. Make a mount point for installation disk

	# mkdir /tmp/cf

3. Format target disk device

	# /usr/local/sbin/ /dev/hda    
This will create /dev/hda1 ext2 partition on /dev/hda disk device. 
** Note that this operation is very dangerous since it will erase your disk! 
   Make sure what you are doing and must do it right!
4. Start voyage.update installation script
	# /usr/local/sbin/voyage.update

Following the instruction to select /tmp/root as distribution directory, and 
/tmp/cf as mount point.  After the installation complete, simple reboot the
board and Voyage will be started!

Note: You may get read-only file system messages after exiting installation.
This is normal because your settings cannot be updated on a mounted squashfs.

There are some additional packages installed for PXE and NFS server.  After
starting Voyage, you can safely remove them by:

	# remountrw
	# apt-get remove syslinux atftpd nfs-kernel-server \
                     bzip2 sg3-utils minicom

After all, remove the last line in /etc/dnsmasq.more.conf:

Important Note:
The current NFS server and client code is unstable for long time use.  Hence,
it is not recommended to use PXE+NFS environment for real production.  It is
only good for installing Voyage Linux at the moment.

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