ghost for unix

• This list will contain announces about g4u only.

   

  • Subscribe or change your settings via the web, or
  • send a mail with "subscribe yourpassword" to g4u-announce-request@feyrer.de to subscribe. Please replace "yourpassword" with your personal, secret list password.
  • Look at the g4u-announce list archive.

   

• Mailing list: g4u-help@feyrer.de
  This list is intended for questions and answers about g4u.

   

  • Subscribe or change your settings via the web, or
  • send a mail with "subscribe yourpassword" to g4u-help-request@feyrer.de to subscribe. Please replace "yourpassword" with your personal, secret list password.
  • Look at the g4u-help list archive.
• Orkut "g4u" community:

  There's a "g4u" community at Orkut which I've created as a forum for g4u. As Orkut is too slow these days (Dec 2004), I won't follow discussion on Orkut a lot, and recommend using the above-mentioned mailing lists for getting timely response.

   

• Optional(!) commercial license are available, see the "Commercial license" page for more information.

6.2 Reporting problems

If you have trouble with g4u and want to report a problem, PLEASE add the following information. It's impossible to help you without knowing details on your systems & setup:

 

• What g4u version do you use
• What exact command(s) did you use
• What exact output did you get (all of it, 1:1, no interpretation on your own)?
• If the system hangs during boot: what are the last three lines printed on the screen (again all three of them, verbatime)
• What does "disks" say? "parts"?
• If you have some problems with some network card or disk driver, please include the relevant parts from "dmesg" output (scroll down with 'space')
• What operating system, filesystem type and FTP server software do you use on your FTP server?

Send your bug reports to the g4u-help mailing list.

7. Rebuilding from source

G4u is based on NetBSD boot floppy disk set. It consists of a custom kernel and custom bootfloppy, both stripped down to an absolute minimum to fit on two 1.44MB floppy disk or a CDROM. There are also the "copydisk", "uploaddisk" and "slurpdisk" scripts.

To rebuild the images:

• Note that for rebuilding, no root permissions are needed any more! Below, the "#" prompt shows action needed as root, "%" is the prompt for commands executed as user.

   

• Get a i386/PC machine running NetBSD 2.0. Cross-building from other Unix-like operating systems may work too, but is untested as far as g4u is concerned.

   

• Install mkisofs (part of the cdrecord package), e.g. either as precompiled binary:

       # PKG_PATH=ftp://ftp.NetBSD.org/pub/NetBSD/packages/2.0/i386/All 
       # export PKG_PATH
       # pkg_add -v cdrecord 

  or, if you have pkgsrc installed:

       # cd /usr/pkgsrc/sysutils/cdrecord
       # make install 

• Get NetBSD-current source from ~May 17th 2005 as /usr/src:

       % su 
       # mkdir /usr/cvs
       # chown $USER /usr/cvs
       # ln -s cvs/src /usr/src
       # exit
       % cd /usr/cvs
       % env CVS_RSH=ssh cvs -d anoncvs@anoncvs.netbsd.org:/cvsroot co -D 20050517 src 

• To be on the safe side, rebuild a full release (regression testing and more):

       % ./build.sh -N 1 -U release 

• Remember where to find the new compiler - adjust if necessary:

       % setenv T /usr/src/obj.i386/tooldir.NetBSD-2.0-i386/bin 

• Get the g4u 2.1 sources

   

• Unpack the g4u sources:

       % cd /usr/src
       % tar plzvxf .../g4u-2.1.tgz

• Apply patches:

       % cd /usr/src/sys/dev/ata
       % patch <wd.c.patch-g4u
       % cd /usr/src/sys/dev/scsipi
       % patch <sd.c.patch-g4u
       % cd /usr/src/sys/kern
       % patch <subr_prf.c.patch-g4u
      

• Build the G4U floppy & ISO-image:

       % cd /usr/src/distrib/i386/floppies/g4u 
       % $T/nbmake-i386 

• After that, you'll find "g4u1.fs", "g4u1.fs" and "g4u.iso" in /usr/src/distrib/i386/floppies/g4u:

       % pwd
       /usr/cvs/src/distrib/i386/floppies/g4u
       % ls -l g4u.*
       -rw-rw-r--   1 feyrer  netbsd  3309568 Nov  3 23:09 g4u.iso
       -rw-rw-r--   1 feyrer  netbsd  1474560 Nov  3 23:08 g4u1.fs
       -rw-rw-r--   1 feyrer  netbsd  1474560 Nov  3 23:08 g4u2.fs 

 

8. Links & Ressources

A tutorial for installing M0n0wall with g4u:

Roberto Pereyra provided me with instructions on how to install the M0n0wall firewall with g4u. Cool to see them provide their own disk images!

 

Harvesting GUIDs / UUIDs for RIS prestaged computer accounts

``One of the most time consuming and overly repetitive tasks in supporting an organization with a large number of computers is handling turnover and new machine orders. A typical setup consisted of copying down the MAC addresses and destination hostnames on a piece of paper, typing them up and emailing them to someone else, update the dhcp server, etc., etc. This project is to reduce the ammount of human intervention needed to set up a machine.'' And as a bonus, it's also based on NetBSD! :) [link]

 

MIDS - g4u with user dialogue

Rob Bennett has modified g4u to load more code from an FTP server, to implement things like a (curses based) user dialogue, etc. While g4u's intent is to have everything on the boot media, this is definitely worth a look!

 

The iR110/150 (sparc64) dd Network Backup Page:

People have asked me for a UltraSPARC (sparc64) based version of g4u. Well here's one: The iR110/150 dd Network Backup Page documents scripts that do disk backups of an UltraSPARC system to a remote NFS server. Bonus to the author for using Solaris! :-)

 

Yet Another Ghost Installer (YAGI):

Daniel Ettle's diploma thesis which I supervised, about a network based installer at Toshiba Regensburg Operations.

 

Symantec Ghost

Commercial product that didn't do what I needed and which led me to create g4u. Still, check it our if you want non-image based cloning. If you think they're too expensive, remember that I don't want to starve too. :)

-->

9. History

Still 2.1 Added PXE netboot information 2.1 Changes: Added serial drivers (com on isapnp and isa) back for those people that need serial console (a few asked...), added support for IT Express and ATI IXP IDE and Promise SATA150 controllers, many bugfixes and enhancements from NetBSD-current, including EHCI-based USB improvements, and "dmesg" now hints at pressing space/CR to scroll down [20050622] 2.0 Yes, that's 2.0 - really! I got so fed up with the constand lack of space on the g4u floppy version that I finally decided to end the never-ending madness of removing drivers to make it fit. Instead, there are two versions of g4u now: a CDROM-version (can also be used on DVD at no extra costs), and a TWO-floppy-version (consisting of, well, TWO floppies, instead of the one used so far)! When booting the floppy version, it will load the first floppy, then ask for the second one. Press RETURN, and it will load the second floppy. (The splitting onto more than one floppy was made possible by NetBSD's fine infrastructure which is used for g4u, and which allows booting from a multi-volume tar-archive).

The floppy and CDROM version still share the same codebase - there's still a limit of 2.88MB now, but this allows me adding back all the drivers I had to remove in the past:

• The wscons console driver, which allows using USB keyboards
• SATA drives (updated)
• I2O devices
• CS8900 (ISA) Ethernet
• Alteon ACEnic gigabit Ethernet
• PCMCIA and Cardbus drivers for SCSI, IDE and a *lot* of ethernet and wireless network cards.
• Fiber Channel drivers for your SAN!
• Hardware RAID drivers: Adaptec AAC family, AMI/LSI Logic MegaRAID, Compaq PCI array controllers, ICP-Vortex GDT and Intel RAID, Mylex DAC960 & DEC SWXCR family and 3ware Escalade RAID controllers. Whee!
• Wireless LAN cards: Aironet PC4500/PC4800, Atheros 5210/5211/5212, ADMtek ADM8211, Intersil Prism Mini-PCI.
• Token Ring drivers for both PCMCIA and ISA IBM/3COM TROPIC cards

Besides all these drivers which were previously removed from g4u and now added back, be sure to check out the full list of supported hardware, including more wavelan cards, gigabit ethernet and SATA drives!

Another minor addition made in this release is the 'copypart' program, which can be used to, well, copy single partitions locally. See Copying a partition locally for more information.

So, this all sounds like christmas? That's a bit away, but maybe you want to donate a bit so I can buy myself and my beloved some nice present (and maybe even one that allows me to do a port of g4u to an Apple PowerBook G4? *hint, hint*)? ;)

Those that want to do some good not only to me but to themselves and their beloved too can now aquire an optional commercial license for g4u. g4u will remain free to use for both private and commercial users, but I've received many requests for commercial licenses, and here they are!

Last but not least, I'm fed up with the slowness of Orkut, and using the infrastructure from Source Forge, I've created two mailing lists, one for g4u related announces, and one for general questions on g4u. See the support section for more information.


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