prestashop
chmod -R 777 ./config/
chmod -R 777 ./cache/
chmod -R 777 ./log/
chmod -R 777 ./img/
chmod -R 777 ./mails/
chmod -R 777 ./modules/
chmod -R 777 ./themes/default/lang/
chmod -R 777 ./themes/default/pdf/lang/
chmod -R 777 ./themes/default/cache/
chmod -R 777 ./translations/
chmod -R 777 ./upload/
chmod -R 777 ./download/
chmod -R 777 ./sitemap.xml