From scratch: Get the Virtuoso package provided by Francois. These are zipped information, plz refer to the official guide for better explenation. Install the required packages in ubuntu server edition 9.10 [[BR]] 6.31-17-generic-pae #54-Ubuntu SMP Thu Dec 10 17:23:29 UTC 2009 i686 GNU/Linux: {{{ sudo aptitude install autoconf automake libtool flex bison gperf gawk m4 make libssl-dev tar xzvf virtuoso.tar.gz cd virtuoso ./configure --prefix=/usr/local make sudo make install cd /usr/local/var/lib/virtuoso/db/ sudo virtuoso-t -f & }}} I'll add asap the config to expose your service if you are using virtuoso inside a virtual box machine. Ok you you have the NAT enabled for yout virtual machine add these lines into "yourhome\.VirtualBox\Machines\YourMachine.xml" {{{ }}} ---- For the SemWeb installation contest I was looking on the web for a simple way to install Virtuoso on my virtualized Ubuntu server 9.10[[BR]] Note: Virtuoso v5.0.12[[BR]] It seems that kubuntu guys are very excited about semantic web & desktop [http://www.kubuntu.org/news/kde-sc-4.4-rc-2] and their interest come from this application [http://nepomuk.semanticdesktop.org/xwiki/bin/view/Main1/].[[BR]] just few lines: {{{ sudo aptitude install python-software-properties sudo add-apt-repository ppa:kubuntu-ppa/beta sudo apt-get update sudo aptitude install virtuoso-server sudo aptitude install virtuoso-drivers }}}