2 - CyberPanel on SSL
Note: If your domain is behind Cloudflare it will not work since CloudFlare blocks port 8090.
If you want to access CyberPanel on SSL you can do so by issuing Lets Encrypt SSL for hostname, before continuing further make sure you have created website with a domain you want to access CyberPanel as.
If you want to access CyberPanel on: https://panel.yourdomain.com:8090 , create an account with domain panel.yourdomain.com. While creating an account you can either check SSL or not, it is optional.
If domain still does not point to the server, again a self-signed SSL will be issued.
Setup SSL
Main > SSL > Hostname SSL
Select domain on which you want to access CyberPanel. Once issued, you can visit CyberPanel on https://yourdomain.com.
Note: If you also want to host websites on this domain, you can do so by simply using FTP or File manager, this operation will not affect that.
So panel.mysite.com is not simply a subdomain of mysite.com to access the sites cyberpanel dashboard but is created as a new site in its own right and takes over that domain as a "host provider" site? I couldn't access cyberpanel at all at panel.mysite.com whether I created it as a website or as a subdomain of mysite.com (Websites > List Sites > mysite.com > manage > add domains - panel.mysite.com). I made sure an SSL certificate was issued in both cases.