jxng
Your system has configured 'manage_etc_hosts' as True.
As a result, if you wish for changes to this file to persist
then you will need to either
a.) make changes to the master file in /etc/cloud/templates/hosts.debian.tmpl
b.) change or remove the value of 'manage_etc_hosts' in
/etc/cloud/cloud.cfg or cloud-config from user-data
127.0.1.1 ubuntu-s-2vcpu-4gb-120gb-intel-nyc3-01 ubuntu-s-2vcpu-4gb-120gb-intel-nyc3-01
127.0.0.1 localhost
104.21.79.196 brandnew.aapanel.com
172.67.171.7 brandnew.aapanel.com
The following lines are desirable for IPv6 capable hosts
::1 localhost ip6-localhost ip6-loopback
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters