Installing Ubuntu on SunBlade 1000 with no CDROM

[pentagruel]

I am trying to install Ubuntu 7.04 onto a SunBlade 1000 which has no CD-ROM or Floppy.

I have an external USB DVD ROM Drive. Is there any way to make the SunBlade boot Ubuntu from the USB DVD Drive?

Thanks.

[arover]

I have succeed to install ubuntu thanks to a net boot. For further information visit : http://doownek.org/ it is for Debian but it is the same for ubuntu. However i can't install properly my server X and today it does'nt work.