3.1.0:
* Added client/daemon hook script code. Two new options
for the pxeconfig.conf file
- daemon_script_hook
- client_script_hook
We use these options to point to a script to open (client_script_hook)
and close (daemon_script_hook) ports on the firewall. So not everybody
can do rsync or use a bittorrent client to get useful info, see
https://subtrac.sara.nl/oss/pxeconfig/wiki/PxeInstallation#Configuration
Authors: Bas van der Vlies and Walter de Jong (SARA)
* new module pxe_global.py, used by pxeconfig and pxeconfigd
* Rewrite of the daemon code. removed the option -d/--directory is
replaced by configuration file option ( pxe_config_dir)
=== Usage Example ===
Usage: pxeconfig [-f,--filename <name>] <hosts>
Specifying hostnames:
To specify a range use the [] to indicate a range,
a couple of examples:
The first five nodes of rack 16
- gb-r16n[1-5]
The first five nodes and node 12 and 18 of rack 16 to 20
- gb-r[16-20]n[1-5,12,18]
The first five nodes de in rack 16 with padding enabled
- gb-r[16]n[01-5]
The ranges ([]) are not only limited to numbers, letters can also be used.
=====================================================================
For more info about the package see the pxeconfig homepage:
* https://subtrac.sara.nl/oss/pxeconfig
You can download the latest release from:
* ftp://ftp.sara.nl/pub/outgoing/pxeconfig.tar.gz
Here is the README:
=====================================================================
PXE-utilities
-------------
This is a release of the SARA package of utilities that we use to boot
our nodes with PXE-enabled network cards. This was developed because we
always want to use the PXE-enabled network card as our first boot
device. With pxelinux, which is a derivative of syslinux, you can
specify with a PXE configuration file how the node must boot. This
configuration is placed in, e.g. '/tftpboot/pxelinux.cfg' directory.
The PXE-menu tools are used to control the booting of networked computers
directly from the computer's console at the BIOS level before any operating
system has been loaded. This is extremely useful for diagnostic purposes,
or for selecting an operating system installation method, of an individual
computer. For further information please read the files README-pxemenu and
INSTALL-pxemenu.
In our setup we have a default setup. The default setup is to boot from
harddisk. When a node boots it fetches the default configuration file
and the configuration file tells the node to boot from the harddisk.
This setup is used for nodes that have already been installed by
systemimager.
At SARA we have developed the following strategy how to install a fresh
node.
1) The ip-address in our setup is known for the new node. So
we make a link in the '/tftpboot/pxelinux.cfg' directory to a
pxe config file which tells that it has to fetch the kernel en
root filesystem from our bootserver, eg:
0A000A02 ---> default.node_install (10.0.10.2)
2) The client starts and uses the systemimager software to install
the node. The last line of installation script connects to a
daemon on the bootserver. This daemon will remove the PXE config
filefor this node.
3) The node reboots and will use the default pxe config file which
will instruct the node to boot from harddisk.
This release contains the following utilities:
pxeconfigd)
This is daemon that removes the pxe configuration file of a node.
pxeconfig)
With this program we can specify which pxe config file
a node or nodes must use. This utility will create the links
in '/tftpboot/pxelinux.cfg'
hexls)
Is a utility that diplays a directory, and, if in this directory
contains HEX files, it will convert them to IP-numbers.
Comments or Suggestions mail them to:
pxeconfig at sara dot nl
http://www.sara.nl for more info about SARA.
--
********************************************************************
* Bas van der Vlies e-mail: b...@sara.nl *
* SARA - Academic Computing Services Amsterdam, The Netherlands *
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* Bas van der Vlies e-mail: b...@sara.nl *
* SARA - Academic Computing Services Amsterdam, The Netherlands *
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