How to remove a site from Google / Yandex search?

Question

Google

It is necessary to remove the site from the search so that it is displayed only by url.
How can this be implemented?

Answer 1

In robots.txt

User-agent: *
Disallow: /

Answer 2

In google search and yandex webmaster, try to rub the pages in the index. Prohibit indexing robots txt well, you can block search engine bots using server tools. Although all this does not guarantee the removal of links from the search results.