CORREÇÃO DO PROBLEMA DE ACESSO AOS DIRETORIOS(Generation Problem)

cd var/generation

chmod -R 777 Magento

• Link util: https://magento.stackexchange.com/questions/140251/magento-2-fatal-error-cant-create-directory-var-generation-magento

No magento 2.2

var/generation folder has been renamed to generated/code in Magento 2.2

chmod -R -v 777 generated/

chmod -R 777 /var/www/html/var/cache/