diff --git a/modules/host/templates/userdata.yaml.tpl b/modules/host/templates/userdata.yaml.tpl
index 64d91c5..67349d2 100644
--- a/modules/host/templates/userdata.yaml.tpl
+++ b/modules/host/templates/userdata.yaml.tpl
@@ -1,5 +1,9 @@
 #cloud-config
 
+# Resize /var, not /, as that's the last partition in MicroOS image.
+growpart:
+    devices: ["/var"]
+
 write_files:
   # Configure private network
   - content: |
@@ -28,13 +32,16 @@ write_files:
     - ${key}
   %{ endfor ~}
 
-# Making sure the hostname is set correctly
+# Make sure the hostname is set correctly
 manage_etc_hosts: "localhost"
 preserve_hostname: true
 prefer_fqdn_over_hostname: false
 hostname: ${hostname}
 
 runcmd:
+  # As above, make sure the hostname is not reset
+  - sed -i 's#NETCONFIG_NIS_SETDOMAINNAME="yes"#NETCONFIG_NIS_SETDOMAINNAME="no"#g' /etc/sysconfig/network/config
+  
   # Activate the private network
   - systemctl reload network
 
@@ -48,4 +55,3 @@ runcmd:
   # And from 4-10 number limit important, to 2
   - snapper -c root set-config "NUMBER_LIMIT=4"
   - snapper -c root set-config "NUMBER_LIMIT_IMPORTANT=2"
-
diff --git a/terraform.tfvars.example b/terraform.tfvars.example
index 047c8bc..d424058 100644
--- a/terraform.tfvars.example
+++ b/terraform.tfvars.example
@@ -1,4 +1,10 @@
-# You need to replace these
+# Values in this file serve as an example only,
+# you are expected to adapt them to your needs.
+#
+# Some of them, notably "location" and "public_key" have no effect after the initial cluster has been setup.
+# This is in order to keep terraform from re-provsioning all nodes at once which would loose data. You should
+# instead change the value here and then manually re-provsion each node one-by-one. Grep for "lifecycle".
+
 hcloud_token = "xxxxxxxxxxxxxxxxxxYYYYYYYYYYYYYYYYYYYzzzzzzzzzzzzzzzzzzzzz"
 public_key   = "/home/username/.ssh/id_ed25519.pub"
 # Must be "private_key = null" when you want to use ssh-agent, for a Yubikey like device auth or an SSH key-pair with passphrase