CarlosCD

# Temporarily redirects STDOUT and STDERR to /dev/null
# but does print exceptions should there occur any.
# Call as:
#   suppress_output { puts 'never printed' }
#
def suppress_output
  original_stderr = $stderr.clone
  original_stdout = $stdout.clone
  $stderr.reopen(File.new('/dev/null', 'w'))
  $stdout.reopen(File.new('/dev/null', 'w'))

CarlosCD

# 1) Create your private key (any password will do, we remove it below)

$ cd ~/.ssh
$ openssl genrsa -des3 -out server.orig.key 2048


# 2) Remove the password

$ openssl rsa -in server.orig.key -out server.key

CarlosCD

#!/usr/bin/env ruby
# frozen_string_literal: true

%w(json webrick).each do |gem_name|
  begin
    Gem::Specification.find_by_name(gem_name)
  rescue Gem::MissingSpecError
    puts "Installing the '#{gem_name}' Ruby gem..."
    system "gem install #{gem_name}"
  end