After installing FTP on Ubutu Server, I lost access to the site via http, how to fix it?

Question

FTP

Good afternoon! Installed OpenLiteSpeed ​​on ubuntu, connected php and MySQl, installed wordpress, forwarded ports, everything worked. Created a simple page that also worked. There was a need for ftp access, a ledge, after installing vsFTPd, the site at http was no longer available. I connect via ftp without problems. How can you understand what the problem is? All ports are forwarded.

Answer 1

Let's see what it says:

sudo netstat -plan | grep -i listen | grep tcp | grep 80