I just setup my Metasploit Framework on my Ubuntu 12.04 (LTS). Below is the note of what I have been busy with recently.
Installing the dependencies
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install build-essential libreadline-dev libssl-dev libpq5 libpq-dev libreadline5 libsqlite3-dev libpcap-dev subversion openjdk-7-jre git-core autoconf postgresql pgadmin3 curl zlib1g-dev libxml2-dev libxslt1-dev vncviewer libyaml-dev ruby1.9.3
sudo gem install wirble msgpack sqlite3 pg activerecord nokogiri
Installing NMAP
mkdir ~/Development
cd ~/Development
svn co https://svn.nmap.org/nmap
cd nmap
./configure
make
sudo make install
make clean
Setting up Postgres SQL Server
sudo -s
su postgres
createuser msf -P -S -R -D
createdb -O msf msf
exit
exit
Installing Metasploit Framework
cd /opt
sudo svn co https://www.metasploit.com/svn/framework3/trunk metasploit-framework
cd metasploit-framework
sudo bash -c 'for MSF in $(ls msf*); do ln -s /opt/metasploit-framework/$MSF /usr/local/bin/$MSF;done'
sudo ln -s /opt/metasploit-framework/armitage /usr/local/bin/armitage
cd /opt/metasploit-framework/
cat > database.yml << EOF
>production:
> adapter: postgresql
> database: msf
> username: msf
> password:
> host: 127.0.0.1
> port: 5432
> pool: 75
> timeout: 5
>EOF
sudo echo export MSF_DATABASE_CONFIG=/opt/metasploit-framework/database.yml >> /etc/profile
source /etc/profile
cd /opt/metasploit-framework/external/pcaprub
sudo ruby extconf.rb && sudo make && sudo make install
First Run
msfconsole