After installing a server , You can go to Applications to install Memcached and Redis. By default, none of these services are publicly visible and can only be accessed from within your server.
All FlashVPS servers require SSH key authentication and cannot be accessed with a password. Therefore, when using a GUI client or other external client to connect to your cache instance, you will need to use SSH authentication. When choosing an SSH key to use during authentication, make sure you choose your private SSH key .