Nginx: Return 301 Redirect When 404 Error

Question

What I want to do whenever I get a 404 error on my domain, automatically 301 to the homepage.

I have a lot of old blog posts and such that were linked to, but I don

Answer 1

There's a faster way through it:

error_page 404 = @foobar;

location @foobar {
  return 301 /;
}

By "faster" I mean "no useless regexp matching inside web server" by using return instead of rewrite.