HOSTNAME ERROR

This work only on localhost, how i get it to work with hostname. ???

My options not is

define command {
    command_name    check_service.sh
    command_line    $USER1$/check_service.sh -l -o linux
}

and

define service {
    host_name             Lejeplads
    service_description   List Services
    check_command         check_service.sh
}

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