{% include 'notebox_begin' %}
{% if rh_version %} On CentOS {{rh_version}} and RHEL {{rh_version}},
{% else %} On CentOS and RHEL,
{% include 'notebox_begin' %}
{% if rh_version %} On CentOS {{rh_version}} and RHEL {{rh_version}},
{% else %} On CentOS and RHEL,