frontendbeast

{% set allEvents = craft.entries.section('events').find() %}
{% set futureEvents = [] %}

{% for event in allEvents %}
    {% if event.startDate | date('U') >= 'now' | date('U') %}
    {% set futureEvents = futureEvents | merge([event]) %}
    {% endif %}
{% endfor %}

{% for date, events in futureEvents | sortByField('startDate') | group('startDate|date("F Y")') %}

fabiopiovam

1. Download a version of XAMPP:
    - latest version: https://www.apachefriends.org/pt_br/index.html
    
    - older version: http://sourceforge.net/projects/xampp/files/
        Consult the best version 4u: http://code.stephenmorley.org/articles/xampp-version-history-apache-mysql-php/

2. Install xampp:
    - To older versions:
        Use the following command and extract the downloaded distribution into /opt/xampp directory:
           sudo tar xvfz xampp-linux-x.x.x.tar.gz  -C /opt

meleu

sudo apt-get install libmagickwand-dev

sudo /opt/lampp/bin/pecl install imagick

sudo vim /opt/lampp/etc/php.ini

add extension=imagick.so to the php.ini