systemctl command is used on RedHat 7 linux to manage services system wide. It allows administrators to manage ssh service to start, restart, stop or enable autoload after system startup. In install ssh service on your RHEL 7 linux run a following linux command:
This is a companion discussion topic for the original entry at https://linuxconfig.org/how-to-install-manage-start-and-autostart-ssh-service-on-rhel-7-start