manraog

sudo add-apt-repository ppa:ondrej/php
sudo apt-get update
sudo apt-get install -y apache2
sudo ufw allow in "Apache Full"
sudo apt-get install -y mysql-server

# After running this command, select (Y), option 2, then (Y) for the rest of the prompts.
sudo mysql_secure_installation

manraog

<!-- Errores en la validación -->
<%= form_for @variable, :html => { :class => 'form-horizontal' } do |f| %>
  <% if @calculo.errors.any? %>
    <div class="alert fade in alert-error">
      <h2><%= pluralize(@calculo.errors.count, "errore") %> impiden realizar esta operación:</h2>
      <ul>
      <% @calculo.errors.full_messages.each do |msg| %>
        <li><%= msg %></li>
      <% end %>
      </ul>