UDPCast Imaging Solution

*RLUG Lightning Talk *

Alexandru Juncu

alex.juncu@rosedu.org

14.04.2011

System Imaging

• Software that copies HDD contents from one computer to others

• Offers scalability to administration of computer rooms (eg. School computer rooms (eg. School Laboratories)

• Takes advantage of UDP and Multicast

• Uses a Seed Host to distribuite contents

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Imaging Process

1. Prepare hosts for imaging (physical network conectivity)

2. Install Operating System(s) and needed applications on the Seed Host

3. Start the sender process on the Seed and 3. Start the sender process on the Seed and the receiver process on the other hosts

4. Transfer the contents over ther network

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VOID VOID VOID VOIDVOID

Multicast

S R R R

UDP Cast

• Open Source Project

• http://udpcast.linux.lu/

• udp-sender and udp-receiver

– (S) cat /dev/sda | udp-sender– (S) cat /dev/sda | udp-sender

– (R) udp-receiver > /dev/sda

• Utilities

– LiveCD for imaging

– cast-o-matic

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