hola!, acabo de instalar metaploit en una maquina virtual con ubuntu 14.04 sin embargo luego de terminar la instalacion y ejecutar el "msfconsole" me sale este error


/opt/metasploit/apps/pro/vendor/bundle/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/core_ext/kernel/agnostics.rb:7:in ``': Cannot allocate memory - infocmp (Errno::ENOMEM)
   from /opt/metasploit/apps/pro/vendor/bundle/ruby/2.1.0/gems/activesupport-3.2.21/lib/active_support/core_ext/kernel/agnostics.rb:7:in ``'
   from /opt/metasploit/apps/pro/vendor/bundle/ruby/2.1.0/gems/rb-readline-0.5.2/lib/rbreadline.rb:1814:in `get_term_capabilities'
   from /opt/metasploit/apps/pro/vendor/bundle/ruby/2.1.0/gems/rb-readline-0.5.2/lib/rbreadline.rb:2026:in `_rl_init_terminal_io'
   from /opt/metasploit/apps/pro/vendor/bundle/ruby/2.1.0/gems/rb-readline-0.5.2/lib/rbreadline.rb:2512:in `readline_initialize_everything'
   from /opt/metasploit/apps/pro/vendor/bundle/ruby/2.1.0/gems/rb-readline-0.5.2/lib/rbreadline.rb:3797:in `rl_initialize'
   from /opt/metasploit/apps/pro/vendor/bundle/ruby/2.1.0/gems/rb-readline-0.5.2/lib/rbreadline.rb:4816:in `readline'
   from /opt/metasploit/apps/pro/msf3/lib/rex/ui/text/input/readline.rb:132:in `readline_with_output'
   from /opt/metasploit/apps/pro/msf3/lib/rex/ui/text/input/readline.rb:86:in `pgets'
   from /opt/metasploit/apps/pro/msf3/lib/rex/ui/text/shell.rb:184:in `run'
   from /opt/metasploit/apps/pro/msf3/lib/metasploit/framework/command/console.rb:38:in `start'
   from /opt/metasploit/apps/pro/msf3/lib/metasploit/framework/command/base.rb:82:in `start'
   from /opt/metasploit/apps/pro/msf3/msfconsole:48:in `<main>'

he estado buscando una solucion y parece que tiene que ver con la memoria ram nose si estoy en lo correcto, como podria solucionar esto?