System requirements for Magento 2

Before moving forward with the installation, we should review the system requirements for Magento 2 to ensure that the environment is correct for Magento to run properly.

The following are the system requirements for Magento 2:

• Operating System:
  • Linux

• Web servers:
  • Apache 2.2 or 2.4
  • nginx 1.8

• Database:
  • MySQL 5.6 or
  • MySQL 5.7 (Magento 2.1.2 or above) or
  • MariaDB or
  • Percona

• PHP:
  • PHP 5.6 and later. PHP 7.0.2, 7.0.4, 7.0.6-7.0.x (Magento 2.1.2 and later)
  • PHP 7.0.2, 7.0.6-7.0.x (all Magento 2.1.x versions)
  • PHP 5.6.x (Magento 2.1.0)

• Required PHP extensions:
  • BC Math
  • curl
  • GD, ImageMagick 6.3.7 (or later), or both
  • intl
  • mbstring
  • Mcrypt
  • Mhash
  • OpenSSL
  • PDO/MySQL
  • SimpleXML
  • OPCache
  • SOAP
  • xml
  • XSL
  • Zip
  • JSON (PHP 7 only)
  • iconv (PHP 7 only)

• PHP Dependency Manager:
  • Composer

• SSL:
  • Valid security certificate (required for HTTPS)
  • Transport Layer Security (TLS) requirement

• Mail Server:
  • Mail Transfer Agent (MTA) or SMTP server

• Optional:
  • Redis 3.0
  • Varnish 3.5 or latest stable 4.x version
  • Memcached
  • Xdebug
  • PHPUnit...