add a tag: dns_update - this can be used to update hosts file
add a tag: dns_update - this can be used to update hosts file

<pre>ansible-playbook -i hosts install.yml --tags dns_update
</pre>

This will then only add new entries to the hosts file

CSC-IT-Center-for-Science/ansible-role-pxe_config,CSC-IT-Center-for-Science/ansible-role-pxe_config