Projects / udpcast


UDPCast allows to send data simultaneously to many destinations on a local net. This can for instance be used to install entire classrooms of PCs at once. The advantage over using other methods (nfs, ftp, whatever) is that udpcast uses Ethernet's multicast abilities: it won't take longer to install 15 machines than it would to install 2. The tool comes with a busybox bootdisk for easy loading of the tool. However, udpcast can also be started from the command line of an already installed system, and can be used for other purposes than just system installation.

Operating Systems

Recent releases

  •  19 Jul 2011 18:19

    Release Notes: The ability to boot off USB media (and save its config there, just like on floppy). The ability for the sender to start a boot server (DHCP + TFTP) off of which the receivers can now boot (only available for the USB or CD images). Busybox is now compiled against uclibc, which leads to much smaller sizes. Thus, the pre-built udpflop.img is now back, with the most frequently used net and disk modules included.

    •  19 Nov 2008 08:03

      Release Notes: Statistics are printed less often (only once every half second or at a configurable interval). A workaround was made for an lseek bug on Linux. A longer DHCP timeout is used in order to deal with slow switches.

      •  02 Jun 2007 20:42

        Release Notes: The kernel was upgraded to and busybox was upgraded to 1.5.1. The code was adapted to Solaris 10 x86 by adding includes and configure checks. A patch was made to fix parallel make and make DESTDIR=/tmp/xxx install. gcc4 warnings were addressed.

        •  23 Mar 2007 13:04

          Release Notes: This release fixes a couple of typos in socklib.c. Ports above 32768 now work correctly.

          •  06 Mar 2007 22:21

            Release Notes: An issue with UDP receiving to stdout has been fixed.


            Project Spotlight


            A Fluent OpenStack client API for Java.


            Project Spotlight

            TurnKey TWiki Appliance

            A TWiki appliance that is easy to use and lightweight.