Also, www.sub.domain.tld is not used by 98% of the world. Also, www is basically just a sub domain that redirects to sub.domain.com or domain.com and is not necessary.
SSL for login: There is a module in the works, check the 3rd party module forum section (SSL_manager) or you can attempt to do it manually.
About Sentora not loading/loading slow: this would be a server/connection issue.
www.domain.tld or domain.tld access can be controlled using a custom .htaccess entry (mod_rewrite enabled) There are plenty of ideas on Google, I'm sure one will fit your needs. It is also suggested by the major search engines to only use one way to view your site: www.domain.tld or domain.tld, not both!
About the stack versions (php, mysql, apache, etc.) These are determined by the OS and their available stack packages during installation. It is not recommended to update these as they are the current stable releases for the OS and may break your config.
I hope this sheds some light on some more of your questions
SSL for login: There is a module in the works, check the 3rd party module forum section (SSL_manager) or you can attempt to do it manually.
About Sentora not loading/loading slow: this would be a server/connection issue.
www.domain.tld or domain.tld access can be controlled using a custom .htaccess entry (mod_rewrite enabled) There are plenty of ideas on Google, I'm sure one will fit your needs. It is also suggested by the major search engines to only use one way to view your site: www.domain.tld or domain.tld, not both!
About the stack versions (php, mysql, apache, etc.) These are determined by the OS and their available stack packages during installation. It is not recommended to update these as they are the current stable releases for the OS and may break your config.
I hope this sheds some light on some more of your questions