How to make a 3rd level subdomain on localhost?

Question

linux

Now in the file /etc/hosts I register each *.dev.ru type domain on 127.0.0.1
How can I make all such domains be on the locale?

Answer 1

and write
*.dev.ru 127.0.0.1

Answer 2

No way with /etc/hosts . You need to raise your dns server.
You can use this script.

Profit