diff --git a/roles/prometheus_node/tasks/collectors.yml b/roles/prometheus_node/tasks/collectors.yml
index 19dfd56..5016c14 100644
--- a/roles/prometheus_node/tasks/collectors.yml
+++ b/roles/prometheus_node/tasks/collectors.yml
@@ -4,8 +4,8 @@
   ansible.builtin.template:
     src: "{{ basename }}.j2"
     dest: "/usr/local/bin/{{ basename }}"
-    owner: root
-    group: prometheus
+    owner: "{{ prometheus_node_root_user }}"
+    group: "{{ prometheus_node_group }}"
     mode: 0750
   vars:
     basename: "{{ item.value.template_base_name | default('prometheus-node-exporter-' + item.key + '.sh') }}"
@@ -15,8 +15,8 @@
   ansible.builtin.copy:
     content: "{{ item.value.config.content }}"
     dest: "{{ item.value.config.filename }}"
-    owner: root
-    group: prometheus
+    owner: "{{ prometheus_node_root_user }}"
+    group: "{{ prometheus_node_group }}"
     mode: 0640
   when: "'config' in item.value"
   loop: "{{ prometheus_textfile_collectors | dict2items }}"
@@ -25,8 +25,8 @@
   ansible.builtin.template:
     src: "etc/systemd/system/prometheus-collector.service.j2"
     dest: "/etc/systemd/system/prometheus-node-exporter-{{ item.key }}.service"
-    owner: root
-    group: root
+    owner: "{{ prometheus_node_root_user }}"
+    group: "{{ prometheus_node_root_group }}"
     mode: 0644
   vars:
     basename: "{{ item.value.template_base_name | default('prometheus-node-exporter-' + item.key + '.sh') }}"
@@ -39,8 +39,8 @@
   ansible.builtin.template:
     src: "etc/systemd/system/prometheus-collector.timer.j2"
     dest: "/etc/systemd/system/prometheus-node-exporter-{{ item.key }}.timer"
-    owner: root
-    group: root
+    owner: "{{ prometheus_node_root_user }}"
+    group: "{{ prometheus_node_root_group }}"
     mode: 0644
   loop: "{{ prometheus_textfile_collectors | dict2items }}"
   notify:
@@ -59,8 +59,8 @@
   ansible.builtin.template:
     src: "etc/cron.d/prometheus-node-exporter.j2"
     dest: "{{ prometheus_node_crontab }}"
-    owner: root
-    group: root
+    owner: "{{ prometheus_node_root_user }}"
+    group: "{{ prometheus_node_root_group }}"
     mode: 0644
   vars:
     collectors: "{{ prometheus_textfile_collectors }}"
diff --git a/roles/prometheus_node/tasks/config.yml b/roles/prometheus_node/tasks/config.yml
index a446b1e..bcde4cc 100644
--- a/roles/prometheus_node/tasks/config.yml
+++ b/roles/prometheus_node/tasks/config.yml
@@ -21,8 +21,8 @@
   ansible.builtin.template:
     src: etc/default/prometheus-node-exporter.j2
     dest: /etc/default/prometheus-node-exporter
-    owner: root
-    group: root
+    owner: "{{ prometheus_node_root_user }}"
+    group: "{{ prometheus_node_root_group }}"
     mode: 0644
   vars:
     args: "{{ prometheus_node_exporter_args }}"
diff --git a/roles/prometheus_node/tasks/install/Debian_10.yml b/roles/prometheus_node/tasks/install/Debian_10.yml
index 9165904..1f5219f 100644
--- a/roles/prometheus_node/tasks/install/Debian_10.yml
+++ b/roles/prometheus_node/tasks/install/Debian_10.yml
@@ -50,7 +50,7 @@
     - ansible_virtualization_role == 'host'
 
 - name: start prometheus-node-exporter-smartmon.timer
-  ansible.builtin.systemd:
+  ansible.builtin.service:
     name: prometheus-node-exporter-smartmon.timer
     state: "{{ (ansible_virtualization_role == 'host' and not smartmon_exporter_force_off) | ternary('started', 'stopped') }}"
     enabled: "{{ ansible_virtualization_role == 'host' }}"
diff --git a/roles/prometheus_node/tasks/install/OpenBSD.yml b/roles/prometheus_node/tasks/install/OpenBSD.yml
index 7e4b148..cff78d5 100644
--- a/roles/prometheus_node/tasks/install/OpenBSD.yml
+++ b/roles/prometheus_node/tasks/install/OpenBSD.yml
@@ -10,6 +10,6 @@
   ansible.builtin.file:
     path: "{{ prometheus_node_textfile_dir }}"
     state: directory
-    owner: root
+    owner: "{{ prometheus_node_root_user }}"
     group: "{{ prometheus_node_group }}"
     mode: 0750
diff --git a/roles/prometheus_node/vars/Debian.yml b/roles/prometheus_node/vars/Debian.yml
index d959a8a..727c83a 100644
--- a/roles/prometheus_node/vars/Debian.yml
+++ b/roles/prometheus_node/vars/Debian.yml
@@ -1,5 +1,7 @@
 ---
 
+prometheus_node_root_user: root
+prometheus_node_root_group: root
 prometheus_node_user: prometheus
 prometheus_node_group: prometheus
 prometheus_node_service: prometheus-node-exporter
diff --git a/roles/prometheus_node/vars/OpenBSD.yml b/roles/prometheus_node/vars/OpenBSD.yml
index aeb6a80..d1780fb 100644
--- a/roles/prometheus_node/vars/OpenBSD.yml
+++ b/roles/prometheus_node/vars/OpenBSD.yml
@@ -1,5 +1,7 @@
 ---
 
+prometheus_node_root_user: root
+prometheus_node_root_group: wheel
 prometheus_node_user: _nodeexporter
 prometheus_node_group: _nodeexporter
 prometheus_node_service: node_exporter
diff --git a/roles/prometheus_node/vars/default.yml b/roles/prometheus_node/vars/default.yml
index d959a8a..727c83a 100644
--- a/roles/prometheus_node/vars/default.yml
+++ b/roles/prometheus_node/vars/default.yml
@@ -1,5 +1,7 @@
 ---
 
+prometheus_node_root_user: root
+prometheus_node_root_group: root
 prometheus_node_user: prometheus
 prometheus_node_group: prometheus
 prometheus_node_service: prometheus-node-exporter