Como atualizar a versão ruby para 2.5.1?

Question

Quando tentei abrir o metasploit por

msfconsole

Mostrou um erro

rbenv: version '2.5.1' is not installed (set by /opt/metasploit-framework/.ruby-version)

Eu tentei

rbenv install rbx-2.5.1

sua exibição

BUILD FAILED (Ubuntu 16.04 using ruby-build 20160602-19-g0c35180)

Inspect or clean up the working tree at /tmp/ruby-build.20180421085159.19307
Results logged to /tmp/ruby-build.20180421085159.19307.log

Last 10 log lines:
Updating files in vendor/cache
Bundle complete! 5 Gemfile dependencies, 11 gems now installed.
Bundled gems are installed into './vendor/bundle'
Checking gcc: found
Checking g++: found
Checking bison:./configure:1430:in ''': No such file or directory - bison (Errno::ENOENT)
    from ./configure:1430:in 'check_tool_version'
    from ./configure:722:in 'check_tools'
    from ./configure:1815:in 'run'
    from ./configure:1995:in '<main>'

O que fazer agora?

    

Answer 1

tente executar este comando:

$ sudo apt-get i
$ sudo apt-get install libbison-dev bison

Em seguida, tente novamente.