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= XEN VM placement engine - OpenNEbula = 
== 1. Install requirement packages ==
 * Our OS is Ubuntu 8.10
{{{
$ sudo aptitude install ruby sqlite3 libsqlite3-dev libsqlite3-ruby libxmlrpc-c3 libxmlrpc-c3-dev scons g++ flex bison
}}}
 * Package introduction
   * ruby: An interpreter of object-oriented scripting language Ruby 
   * sqlite3: A command line interface for SQLite 3
   * libxmlrpc-c3: A lightweight RPC library based on XML and HTTP for C and C++
   * scons: A replacement for Make
   * flex: A fast lexical analyzer generator
   * bison: A parser generator that is compatible with YACC

== Reference ==
 * [http://www.opennebula.org/doku.php?id=start OpenNEbula]