When you use React JS in your project, and then it's time to put it in a server, sometimes you met a problem, especially when you use Apache. Here's how:

Before you can use TFA in Webmin/Virtualmin you must install Authen::OATH. And before that you need to install Perl-CPAN first.

When you use Plex Media Server in server such as VPS or dedicated server, you need to claim it in server network. You can do that using SSH Tunnel. Here's how:

Test.....