[HeR97]

First open terminal and type

Code:

sudo apt-get install ruby libopenssl-ruby libyaml-ruby libdl-ruby libiconv-ruby libreadline-ruby irb ri rubygems

Press enter
After that type

Code:

sudo apt-get install subversion

And press enter
Then type

Code:

sudo apt-get install build-essential ruby-dev libpcap-dev

Press enter
Download metasploit for Unix
Than go to terminal
type

Code:

cd Downloads

or wherelse you downloaded metasploit
Type

Code:

tar xf framework-3.7.2.tar.bz2

That is the last version but if you have older type that version
Than type

Code:

sudo mkdir -p /opt/metasploit3

After that

Code:

sudo cp -a msf3/ /opt/metasploit3/msf3

After that

Code:

sudo chown root:root -R /opt/metasploit3/msf3

After

Code:

sudo ln -sf /opt/metasploit3/msf3/msf* /usr/local/bin/

Press enter
After it's over metasploit will work

[HeR97]

First open terminal and type

Code:

sudo apt-get install ruby libopenssl-ruby libyaml-ruby libdl-ruby libiconv-ruby libreadline-ruby irb ri rubygems

Press enter
After that type

Code:

sudo apt-get install subversion

And press enter
Then type

Code:

sudo apt-get install build-essential ruby-dev libpcap-dev

Press enter
Download metasploit for Unix
Than go to terminal
type

Code:

cd Downloads

or wherelse you downloaded metasploit
Type

Code:

tar xf framework-3.7.2.tar.bz2

That is the last version but if you have older type that version
Than type

Code:

sudo mkdir -p /opt/metasploit3

After that

Code:

sudo cp -a msf3/ /opt/metasploit3/msf3

After that

Code:

sudo chown root:root -R /opt/metasploit3/msf3

After

Code:

sudo ln -sf /opt/metasploit3/msf3/msf* /usr/local/bin/

Press enter
After it's over metasploit will work