I was using DHCP, TFTP and PXE to install debian on a Soekris 4801. The tftp daemon I was using was ATFTPD. It wouldn’t allow the Soekris to PXE boot until I changed a startup parameter in /etc/default/ataftpd. I added ‘–no-blksize ‘ to the list of startup parameters based on some blog entries I found.
The other thing that I had to do was create a symbolic link to pxelinux.cfg -> /tftpboot/debian-installer/i386/pxelinux.cfg.serial-9600/ instead of pxelinux.cfg. This works much better with the installer over a serial terminal.
Here are some useful blog links for installing linux on a Soekris single board computer.
http://wiki.soekris.info/Installing_Debian_Linux_5.0
http://strugglers.net/wiki/Debian_on_Soekris
http://roland.entierement.nu/pages/debian-on-soekris-howto.html
http://www.linuxvillage.ca/support/soekris4801.html#inst
http://hugi.to/blog/archive/2006/12/23/ubuntu-pxe-install-via-windows
And a link to Soekris engineering: http://www.soekris.com/index.htm
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