Dependencies
Adjust ruby targets in /etc/make.conf.
~ $ grep RUBY /etc/make.conf RUBY_TARGETS="ruby18 ruby19"
And make sure that the USE flags for ruby-1.9 are OK.
~ # export ACCEPT_KEYWORDS="~amd64" ~ # emerge -av =dev-lang/ruby-1.9.3_p125 [ebuild N ] dev-libs/libyaml-0.1.4 USE="-doc -examples -static-libs -test" 461 kB [ebuild N ] dev-util/ragel-6.7 USE="-vim-syntax" 1,156 kB [ebuild NS ] dev-lang/ruby-1.9.3_p125 [1.8.7_p357] USE="berkdb -debug -doc -examples gdbm ipv6 ncurses rdoc readline -rubytests -socks5 ssl -tk -xemacs yaml" 9,508 kB [ebuild N ] dev-ruby/rubygems-1.8.15 USE="-server -test" RUBY_TARGETS="-jruby -ree18 ruby18 ruby19" 246 kB [ebuild N ] virtual/rubygems-4 RUBY_TARGETS="(ruby19)" 0 kB [ebuild N ] virtual/rubygems-1 RUBY_TARGETS="(ruby18)" 0 kB [ebuild N ] dev-ruby/rake-0.9.2.2 USE="-bash-completion -doc -test" RUBY_TARGETS="-jruby -ree18 ruby18 ruby19" 109 kB [ebuild N ] dev-ruby/racc-1.4.7 USE="-doc -test" RUBY_TARGETS="-jruby -ree18 ruby18 ruby19" 107 kB [ebuild N ] dev-ruby/json-1.6.4 USE="-doc -test" RUBY_TARGETS="-jruby -ree18 ruby18 ruby19" 415 kB [ebuild N ] dev-ruby/rdoc-3.12 USE="-doc -test" RUBY_TARGETS="-jruby -ree18 ruby18 ruby19" 309 kB
Installation
Now will install Arachni from their Git repo.
~ # cd /opt . # git clone git://github.com/Zapotek/arachni.git . # cd arachni . # rake --trace install
Now Arachni is installed to this directory, executables under ./bin.
Running Arachni
Now that it's properly installed it's super easy.
~ # cd /opt/arachni/bin . # ./arachni --test http://example.com/
There are over XXX tests to run, and it will take some time to execute. Also, note that Arachni will hammer your server and could trigger warnings/alerts from your IDS