I've finished the installation of prestashop, then I'm prompt to change my admin Listing, but when i modify it by means of ssh terminal, And that i browse my website …./adminxxx, it are unsuccessful to show the background management pannel? why  For customized alternatives that improve application performance, consider to https://addons.prestashop.com/ru/seo-natural-search-engine-optimization/31857--rich-snippets-json-ld-opengraph-seo.html