/snap/core18/2979/etc/cloud/templates
Edit: /snap/core18/2979/etc/cloud/templates/host.mariner.tmpl (898B)
+## template:jinja
+{#
+This file /etc/cloud/templates/hosts.mariner.tmpl is only utilized
+if enabled in cloud-config. Specifically, in order to enable it
+you need to add the following to config:
+ manage_etc_hosts: True
+-#}
+# 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.mariner.tmpl
+# b.) change or remove the value of 'manage_etc_hosts' in
+# /etc/cloud/cloud.cfg or cloud-config from user-data
+#
+# The following lines are desirable for IPv4 capable hosts
+127.0.0.1 {{fqdn}} {{hostname}}
+127.0.0.1 localhost.localdomain localhost
+127.0.0.1 localhost4.localdomain4 localhost4
+
+# The following lines are desirable for IPv6 capable hosts
+::1 {{fqdn}} {{hostname}}
+::1 localhost6.localdomain6 localhost6