# File lib/ssh/manager/cli.rb, line 136
      def update(id)
        puts 'Entries wont change of left out blank.'
        puts 'Username: '
        user =$stdin.gets.chomp
        user = DATABASE.get_connection_data[id.to_i][1] if user == ''
        puts 'Hostname: '
        hostname = $stdin.gets.chomp
        hostname = DATABASE.get_connection_data[id.to_i][2] if hostname == ''
        puts 'port: '
        port = $stdin.gets.chomp
        port = DATABASE.get_connection_data[id.to_i][3] if port == ''
        puts 'Notes: '
        note = $stdin.gets.chomp
        note = DATABASE.get_connection_data[id.to_i][4] if note == ''
        DATABASE.update_connection(DATABASE.get_connection_data[id.to_i][0], user, hostname, port, note)
      end