diff --git a/host_vars/cannelloni.binary.kitchen b/host_vars/cannelloni.binary.kitchen
new file mode 100644
index 0000000..b3ce16a
--- /dev/null
+++ b/host_vars/cannelloni.binary.kitchen
@@ -0,0 +1,61 @@
+mainsail_domain: cannelloni.binary.kitchen
+
+octoprint_groups:
+- klipper
+- tty
+
+octoprint_config_display_name: Voron 2.4
+octoprint_domain: cannelloni.binary.kitchen
+octoprint_config_default_profile: _voron_2_4
+octoprint_has_webcam: false
+
+octoprint_additional_plugins:
+- "https://github.com/thelastWallE/OctoprintKlipperPlugin/archive/master.zip"
+
+octoprint_config:
+  plugins:
+    klipper:
+      configuration:
+        config_path: /etc/klipper/
+        confirm_reload: false
+  serial:
+    disconnectOnErrors: false
+    port: /home/klipper/printer
+    additionalPorts:
+    - /home/klipper/printer
+
+
+octoprint_printer_profiles:
+- axes:
+    e:
+      inverted: false
+      speed: 300
+    x:
+      inverted: false
+      speed: 6000
+    y:
+      inverted: false
+      speed: 6000
+    z:
+      inverted: false
+      speed: 200
+  color: default
+  extruder:
+    count: 1
+    nozzleDiameter: 0.4
+    offsets:
+    - - 0.0
+      - 0.0
+    sharedNozzle: false
+  heatedBed: true
+  heatedChamber: false
+  id: _voron_2_4
+  model: Voron 2.4
+  name: Voron 2.4
+  volume:
+    custom_box: false
+    depth: 350.0
+    formFactor: rectangular
+    height: 320.0
+    origin: lowerleft
+    width: 350.0
\ No newline at end of file
diff --git a/host_vars/canneloni.binary.kitchen b/host_vars/canneloni.binary.kitchen
deleted file mode 100644
index 44bde5a..0000000
--- a/host_vars/canneloni.binary.kitchen
+++ /dev/null
@@ -1,45 +0,0 @@
-octoprint_display_name: Prusa Mini
-octoprint_domain: canneloni.binary.kitchen
-
-octoprint_config_default_profile: _mini
-
-octoprint_printer_profiles:
-- axes:
-    e:
-      inverted: false
-      speed: 300
-    x:
-      inverted: false
-      speed: 6000
-    y:
-      inverted: false
-      speed: 6000
-    z:
-      inverted: false
-      speed: 200
-  color: default
-  extruder:
-    count: 1
-    nozzleDiameter: 0.4
-    offsets:
-    - - 0.0
-      - 0.0
-    sharedNozzle: false
-  heatedBed: true
-  heatedChamber: false
-  id: _mini
-  model: Prusa Mini
-  name: Pursa Mini
-  volume:
-    custom_box:
-      x_min: 0
-      x_max: 180
-      y_min: -3
-      y_max: 180
-      z_min: 0
-      z_max: 180
-    depth: 180.0
-    formFactor: rectangular
-    height: 180.0
-    origin: lowerleft
-    width: 180
\ No newline at end of file
diff --git a/host_vars/maccaroni.binary.kitchen b/host_vars/maccaroni.binary.kitchen
index 84daeb3..f2bf931 100644
--- a/host_vars/maccaroni.binary.kitchen
+++ b/host_vars/maccaroni.binary.kitchen
@@ -1,7 +1,16 @@
-octoprint_display_name: Voron 2.4
+octoprint_config_display_name: Prusa Mini
 octoprint_domain: maccaroni.binary.kitchen
+octoprint_config_default_profile: _mini
 
-octoprint_config_default_profile: _voron_2_4
+octoprint_has_webcam: true
+octoprint_ustreamer_args: "-r 1280x720"
+
+octoprint_config:
+  webcam:
+    ffmpeg: "/usr/bin/ffmpeg"
+    snapshot: "http://{{ octoprint_domain }}/webcam/snapshot"
+    stream: "http://{{ octoprint_domain }}/webcam/stream"
+    watermark: false
 
 octoprint_printer_profiles:
 - axes:
@@ -27,13 +36,19 @@ octoprint_printer_profiles:
     sharedNozzle: false
   heatedBed: true
   heatedChamber: false
-  id: _voron_2_4
-  model: Voron 2.4
-  name: Voron 2.4
+  id: _mini
+  model: Prusa Mini
+  name: Pursa Mini
   volume:
-    custom_box: false
-    depth: 350.0
+    custom_box:
+      x_min: 0
+      x_max: 180
+      y_min: -3
+      y_max: 180
+      z_min: 0
+      z_max: 180
+    depth: 180.0
     formFactor: rectangular
-    height: 320.0
+    height: 180.0
     origin: lowerleft
-    width: 350.0
\ No newline at end of file
+    width: 180
\ No newline at end of file
diff --git a/host_vars/noodlehub.binary.kitchen b/host_vars/noodlehub.binary.kitchen
new file mode 100644
index 0000000..2452a54
--- /dev/null
+++ b/host_vars/noodlehub.binary.kitchen
@@ -0,0 +1 @@
+noodlehub_domain: noodlehub.binary.kitchen
\ No newline at end of file
diff --git a/host_vars/raspberrypi b/host_vars/raspberrypi
deleted file mode 100644
index 44d2eb3..0000000
--- a/host_vars/raspberrypi
+++ /dev/null
@@ -1,70 +0,0 @@
-octoprint_domain: raspberrypi.fritz.box
-octoprint_config_default_profile: _mk3_single
-
-octoprint_printer_profiles:
-- axes:
-    e:
-      inverted: false
-      speed: 300
-    x:
-      inverted: false
-      speed: 6000
-    y:
-      inverted: false
-      speed: 6000
-    z:
-      inverted: false
-      speed: 200
-  color: default
-  extruder:
-    count: 1
-    nozzleDiameter: 0.4
-    offsets:
-    - - 0.0
-      - 0.0
-    sharedNozzle: false
-  heatedBed: true
-  heatedChamber: false
-  id: _mk3_single
-  model: Prusa i3 Mk3s
-  name: Prusa i3 Mk3s
-  volume:
-    custom_box: false
-    depth: 200.0
-    formFactor: rectangular
-    height: 200.0
-    origin: lowerleft
-    width: 200.0
-- axes:
-    e:
-      inverted: false
-      speed: 300
-    x:
-      inverted: false
-      speed: 6000
-    y:
-      inverted: false
-      speed: 6000
-    z:
-      inverted: false
-      speed: 200
-  color: default
-  extruder:
-    count: 5
-    nozzleDiameter: 0.4
-    offsets:
-    - - 0.0
-      - 0.0
-    sharedNozzle: true
-  heatedBed: true
-  heatedChamber: false
-  id: _mk3_mmu
-  model: Prusa i3 Mk3s
-  name: Pursa i3 Mk3s with MMU
-  volume:
-    custom_box: false
-    depth: 200.0
-    formFactor: rectangular
-    height: 200.0
-    origin: lowerleft
-    width: 200.0
\ No newline at end of file
diff --git a/host_vars/spaghetti.binary.kitchen b/host_vars/spaghetti.binary.kitchen
index 57593f5..59ded83 100644
--- a/host_vars/spaghetti.binary.kitchen
+++ b/host_vars/spaghetti.binary.kitchen
@@ -1,7 +1,16 @@
-octoprint_display_name: Prusa MK3s
+octoprint_config_display_name: Prusa MK3s
 octoprint_domain: spaghetti.binary.kitchen
-
 octoprint_config_default_profile: _mk3_single
+octoprint_has_webcam: true
+octoprint_ustreamer_args: "-r 1280x720"
+
+octoprint_config:
+  webcam:
+    ffmpeg: "/usr/bin/ffmpeg"
+    snapshot: "http://{{ octoprint_domain }}/webcam/snapshot"
+    stream: "http://{{ octoprint_domain }}/webcam/stream"
+    watermark: false
+
 
 octoprint_printer_profiles:
 - axes:
diff --git a/hosts b/hosts
index 65e9b2f..87b2f08 100644
--- a/hosts
+++ b/hosts
@@ -1,8 +1,13 @@
-[3D_Printers_test]
-raspberrypi
+noodlehub.binary.kitchen
+
+[3D_Printers]
+spaghetti.binary.kitchen
+maccaroni.binary.kitchen
+#canneloni.binary.kitchen
+
 
 [Octoprint_hosts]
 spaghetti.binary.kitchen
 maccaroni.binary.kitchen
-canneloni.binary.kitchen
+cannelloni.binary.kitchen
 
diff --git a/roles/nginx/templates/nginx.conf.j2 b/roles/nginx/templates/nginx.conf.j2
index 2e1953c..8aed3a7 100644
--- a/roles/nginx/templates/nginx.conf.j2
+++ b/roles/nginx/templates/nginx.conf.j2
@@ -21,7 +21,7 @@ http {
 	types_hash_max_size 2048;
 	server_tokens off;
 
-	# server_names_hash_bucket_size 64;
+	server_names_hash_bucket_size 64;
 	# server_name_in_redirect off;
 
 	include /etc/nginx/mime.types;
diff --git a/roles/octoprint/defaults/main.yml b/roles/octoprint/defaults/main.yml
index 8b7d35f..1351fa9 100644
--- a/roles/octoprint/defaults/main.yml
+++ b/roles/octoprint/defaults/main.yml
@@ -1,7 +1,12 @@
 octoprint_user: octoprint
 octoprint_group: octoprint
 octoprint_dir: "/opt/octoprint"
+octoprint_conf_dir: "/home/{{ octoprint_user }}"
 octoprint_ssl: false
+octoprint_has_webcam: false
+
+octoprint_default_plugins:
+  - "https://github.com/OctoPrint/OctoPrint-MQTT/archive/master.zip"
 
 octoprint_config_salt: "{{ octoprint_salt }}"
 octoprint_config_api_key: "{{ octoprint_api_key}}"
diff --git a/roles/octoprint/files/_default.profile b/roles/octoprint/files/_default.profile
deleted file mode 100644
index 2cbfc7f..0000000
--- a/roles/octoprint/files/_default.profile
+++ /dev/null
@@ -1,33 +0,0 @@
-axes:
-  e:
-    inverted: false
-    speed: 300
-  x:
-    inverted: false
-    speed: 6000
-  y:
-    inverted: false
-    speed: 6000
-  z:
-    inverted: false
-    speed: 200
-color: default
-extruder:
-  count: 1
-  nozzleDiameter: 0.4
-  offsets:
-  - - 0.0
-    - 0.0
-  sharedNozzle: false
-heatedBed: true
-heatedChamber: false
-id: _default
-model: Generic RepRap Printer
-name: Default
-volume:
-  custom_box: false
-  depth: 200.0
-  formFactor: rectangular
-  height: 200.0
-  origin: lowerleft
-  width: 200.0
diff --git a/roles/octoprint/files/users.yaml b/roles/octoprint/files/users.yaml
deleted file mode 100644
index eb3c63c..0000000
--- a/roles/octoprint/files/users.yaml
+++ /dev/null
@@ -1,12 +0,0 @@
-binarykitchen:
-  active: true
-  apikey: null
-  groups:
-  - users
-  - admins
-  password: fb5adb1fbecb856f2f37da607ea17faf4887cb353b0d28459b12fb814b59d325825b7856d604efddf30b7b0a08e95af0b5a78d6912830bac171d84fe0d8d2a33
-  permissions: []
-  roles:
-  - user
-  - admin
-  settings: {}
diff --git a/roles/octoprint/handlers/main.yml b/roles/octoprint/handlers/main.yml
index 363256b..ec851c8 100644
--- a/roles/octoprint/handlers/main.yml
+++ b/roles/octoprint/handlers/main.yml
@@ -5,4 +5,7 @@
   service: name=octoprint state=restarted
 
 - name: Restart nginx
-  service: name=nginx state=restarted
\ No newline at end of file
+  service: name=nginx state=restarted
+
+- name: Restart ustreamer
+  service: name=ustreamer state=restarted
\ No newline at end of file
diff --git a/roles/octoprint/tasks/main.yml b/roles/octoprint/tasks/main.yml
index 697c058..4c1d624 100644
--- a/roles/octoprint/tasks/main.yml
+++ b/roles/octoprint/tasks/main.yml
@@ -12,6 +12,14 @@
     append: yes
     groups:
     - video
+    - dialout
+
+- name: Add octoprint user to additional groups
+  user:
+    name: "{{ octoprint_user }}"
+    append: yes
+    groups: "{{ octoprint_groups }}"
+  when: octoprint_groups is defined
 
 - name: Install requirements
   apt:
@@ -19,10 +27,38 @@
     - python3-pip
     - python3-virtualenv
 
+- name: Create octoprint directory
+  file:
+    path: "{{ octoprint_dir }}"
+    state: directory
+    owner: "{{ octoprint_user }}"
+    group: "{{ octoprint_group }}"
+
 - name: Create virtual env and install python dependencies
   pip:
     name: octoprint
     virtualenv: "{{ octoprint_dir }}"
+  become: true
+  become_user: "{{ octoprint_user }}"
+
+- name: Install default octoprint plugins
+  pip:
+    name: "{{ item }}"
+    virtualenv: "{{ octoprint_dir }}"
+  become: true
+  become_user: "{{ octoprint_user }}"
+  with_items: "{{ octoprint_default_plugins }}"
+  notify: Restart octoprint
+
+- name: Install additional octoprint plugins
+  pip:
+    name: "{{ item }}"
+    virtualenv: "{{ octoprint_dir }}"
+  become: true
+  become_user: "{{ octoprint_user }}"
+  with_items: "{{ octoprint_additional_plugins }}"
+  when: octoprint_additional_plugins is defined
+  notify: Restart octoprint
 
 - name: Create configuration directories
   file:
@@ -34,6 +70,8 @@
   with_items:
   - .octoprint
   - .octoprint/printerProfiles
+  - .octoprint/data
+  - .octoprint/data/appkeys
 
 - name: Install systemd unit
   template: src=octoprint.service.j2 dest=/lib/systemd/system/octoprint.service
@@ -59,28 +97,39 @@
     octoprint_config_combined: "{{ octoprint_default_config | combine(octoprint_config, recursive=True)}}"
   when: octoprint_config is defined
 
-- name: Initial configuration of octoprint
-  copy:
-    content: "{{ octoprint_config_combined | to_nice_yaml }}"
-    dest: "/home/{{ octoprint_user }}/.octoprint/config.yaml"
-  when: not octoprint_register_config_stat.stat.exists
+- name: Apply user config
+  set_fact:
+    octoprint_config_combined: "{{ octoprint_default_config }}"
+  when: octoprint_config is not defined
 
-- name: Update existing Octoprint configuration
+
+- name: Configure Octoprint
   block:
-  - name: Read Octoprint config file
-    slurp:
-      src: "/home/{{ octoprint_user }}/.octoprint/config.yaml"
-    register: octoprint_register_config
-  
-  - name: Parse Octoprint config file
-    set_fact:
-      current_octoprint_config: "{{ octoprint_register_config['content'] | b64decode | from_yaml}}"
-
-  - name: Write updated octoprint configuration
+  - name: Initial configuration of octoprint
     copy:
-      content: "{{ current_octoprint_config | combine(octoprint_config_combined, recursive=True) | to_nice_yaml}}"
-      dest: "/home/{{octoprint_user}}/.octoprint/config.yaml"
-    notify: Restart octoprint
+      content: "{{ octoprint_config_combined | to_nice_yaml }}"
+      dest: "/home/{{ octoprint_user }}/.octoprint/config.yaml"
+    when: not octoprint_register_config_stat.stat.exists
+
+  - name: Update existing Octoprint configuration
+    block:
+    - name: Read Octoprint config file
+      slurp:
+        src: "/home/{{ octoprint_user }}/.octoprint/config.yaml"
+      register: octoprint_register_config
+    
+    - name: Parse Octoprint config file
+      set_fact:
+        current_octoprint_config: "{{ octoprint_register_config['content'] | b64decode | from_yaml}}"
+
+    - name: Write updated octoprint configuration
+      copy:
+        content: "{{ current_octoprint_config | combine(octoprint_config_combined, recursive=True) | to_nice_yaml}}"
+        dest: "/home/{{octoprint_user}}/.octoprint/config.yaml"
+      notify: Restart octoprint
+    when: octoprint_register_config_stat.stat.exists
+  become: true
+  become_user: "{{ octoprint_user }}"
 
 ################################################################################
 # Octoprint printer configuration
@@ -91,48 +140,110 @@
     content: "{{ item | to_nice_yaml}}"
     dest: "/home/{{ octoprint_user }}/.octoprint/printerProfiles/{{item.id}}.profile"
   loop: "{{ octoprint_printer_profiles }}"
+  become: true
+  become_user: "{{ octoprint_user }}"
 
 ################################################################################
 # Octoprint Users
 ################################################################################
-
-  when: octoprint_register_config_stat.stat.exists
-
-- name: Register if user databse already exists on target host
-  stat:
-    path: "/home/{{ octoprint_user }}/.octoprint.users.yaml"
-  register: octoprint_register_users
-
-- name: Read default octoprint users
-  set_fact:
-    octoprint_defaut_users: "{{ lookup('file', 'users.yaml') | from_yaml }}"
-
-- name: Copy default users
-  copy:
-    src: users.yaml
-    dest: "/home/{{ octoprint_user }}/.octoprint/users.yaml"
-  when: not octoprint_register_users.stat.exists
-
-- name: Merge users database with default users
+- name: Setup octoprint users 
   block:
-  - name: Read Octoprint users file
-    slurp:
-      src: "/home/{{ octoprint_user }}/.octoprint/users.yaml"
-    register: octoprint_register_users_file
+  - name: Register if user databse already exists on target host
+    stat:
+      path: "/home/{{ octoprint_user }}/.octoprint.users.yaml"
+    register: octoprint_register_users
 
-  - name: Parse Octoprint users file
-    set_fact:
-      current_octoprint_users: "{{ octoprint_register_users_file['content'] | b64decode | from_yaml }}"
-  
-  - name: Merge current users with default users
-    set_fact:
-      octoprint_users_db: "{{ current_octoprint_users | combine(octoprint_default_users)}}"
-  
-  - name: Copy new users file
+  - name: Copy default users
     copy:
-      content: "{{ octoprint_users_db | to_nice_yaml }}"
-      dest: "/home/{{ octoprint_user }}/.octoprint.users.yaml"
-  when: octoprint_register_users.stat.exists
+      content: "{{ octoprint_users_list | to_nice_yaml }}"
+      dest: "/home/{{ octoprint_user }}/.octoprint/users.yaml"
+    when: not octoprint_register_users.stat.exists
+
+  - name: Merge users database with default users
+    block:
+    - name: Read Octoprint users file
+      slurp:
+        src: "/home/{{ octoprint_user }}/.octoprint/users.yaml"
+      register: octoprint_register_users_file
+
+    - name: Parse Octoprint users file
+      set_fact:
+        current_octoprint_users: "{{ octoprint_register_users_file['content'] | b64decode | from_yaml }}"
+    
+    - name: Merge current users with default users
+      set_fact:
+        octoprint_users_db: "{{ current_octoprint_users | combine(octoprint_users_list)}}"
+    
+    - name: Copy new users file
+      copy:
+        content: "{{ octoprint_users_db | to_nice_yaml }}"
+        dest: "/home/{{ octoprint_user }}/.octoprint/users.yaml"
+    when: octoprint_register_users.stat.exists
+  when: octoprint_users_list is defined
+  become: true
+  become_user: "{{ octoprint_user }}"
+
+################################################################################
+# Octoprint app keys
+################################################################################  
+
+- name: Install application keys
+  block:
+  - name: Register existing app keys
+    stat:
+      path: /home/{{ octoprint_user }}/.octoprint/data/appkeys/keys.yaml
+    register: app_keys_file
+
+  - name: Read existing app keys
+    slurp:
+      src: /home/{{ octoprint_user }}/.octoprint/data/appkeys/keys.yaml
+    register: existing_app_keys_content
+    when: app_keys_file.stat.exists
+  
+  - name: Combine local and remote app keys
+    set_fact:
+      app_keys_combined: "{{ existing_app_keys_content['content'] | b64decode | from_yaml | combine(octoprint_app_keys ,recursive=True) }}"
+    when: app_keys_file.stat.exists
+
+  - name: Copy default app keys
+    copy:
+      content: "{{ app_keys_combined | to_nice_yaml }}"
+      dest: /home/{{ octoprint_user }}/.octoprint/data/appkeys/keys.yaml
+    when: app_keys_file.stat.exists
+
+  - name: Copy default app keys
+    copy:
+      content: "{{ octoprint_app_keys | to_nice_yaml }}"
+      dest: /home/{{ octoprint_user }}/.octoprint/data/appkeys/keys.yaml
+    when: not app_keys_file.stat.exists
+  when: octoprint_app_keys is defined
+  notify: Restart octoprint
+
+################################################################################
+# Webcam
+################################################################################  
+
+- name: Setup webcam
+  block:
+    - name: Install dependencies
+      apt:
+        name: 
+        - ffmpeg
+        - ustreamer
+        
+    - name: Install systemd unit
+      template: src=ustreamer.service.j2 dest=/lib/systemd/system/ustreamer.service
+      notify:
+      - Reload systemd
+      - Restart ustreamer
+
+    - name: Enable and start ustreamer
+      service:
+        name: ustreamer
+        state: started
+        enabled: yes
+
+  when: octoprint_has_webcam
 
 ################################################################################
 # Reverse proxy
@@ -161,6 +272,7 @@
 - name: Enable octoprint
   service:
     name: octoprint
+    state: started
     enabled: yes
 
        
diff --git a/roles/octoprint/templates/config.yaml.j2 b/roles/octoprint/templates/config.yaml.j2
index d7f4d9e..a309496 100644
--- a/roles/octoprint/templates/config.yaml.j2
+++ b/roles/octoprint/templates/config.yaml.j2
@@ -6,6 +6,9 @@ appearance:
 accessControl:
     salt: "{{ octoprint_config_salt }}"
     autologinAs: binarykitchen
+    localNetworks:
+    - 127.0.0.0/8
+    - 172.23.0.0/16
 
 api:
     key: "{{ octoprint_config_api_key }}"
diff --git a/roles/octoprint/templates/nginx_vhost.j2 b/roles/octoprint/templates/nginx_vhost.j2
index 6e8c4ae..fa8fe59 100644
--- a/roles/octoprint/templates/nginx_vhost.j2
+++ b/roles/octoprint/templates/nginx_vhost.j2
@@ -5,6 +5,13 @@ server {
 
 	server_name {{ octoprint_domain }};
 
+	location /webcam/ {
+	    postpone_output 0;
+		proxy_buffering off;
+		proxy_ignore_headers X-Accel-Buffering;
+		proxy_pass http://localhost:8080/;
+	}
+
 	location / {
 		client_max_body_size 1024M;
 		proxy_set_header X-Real-IP $remote_addr;
@@ -13,7 +20,6 @@ server {
         proxy_set_header Connection "upgrade";
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header X-Scheme $scheme;
-        proxy_set_header X-Script-Name /octoprint;
         proxy_http_version 1.1;
 		proxy_pass http://localhost:5000;
 	}
diff --git a/roles/octoprint/templates/octoprint.service.j2 b/roles/octoprint/templates/octoprint.service.j2
index 5a2a8b3..6035db1 100644
--- a/roles/octoprint/templates/octoprint.service.j2
+++ b/roles/octoprint/templates/octoprint.service.j2
@@ -7,7 +7,6 @@ After=network.target
 RestartSec=2s
 Type=simple
 User={{ octoprint_user }}
-Group={{ octoprint_user }}
 WorkingDirectory={{ octoprint_dir }}
 ExecStart={{ octoprint_dir }}/bin/octoprint serve
 Restart=always
diff --git a/roles/octoprint/templates/ustreamer.service.j2 b/roles/octoprint/templates/ustreamer.service.j2
new file mode 100644
index 0000000..5a5341f
--- /dev/null
+++ b/roles/octoprint/templates/ustreamer.service.j2
@@ -0,0 +1,19 @@
+[Unit]
+Description=Ustreamer
+After=syslog.target
+After=network.target
+
+[Service]
+RestartSec=2s
+Type=simple
+User={{ octoprint_user }}
+Group={{ octoprint_user }}
+{% if octoprint_ustreamer_args is defined %}
+ExecStart=/usr/bin/ustreamer {{octoprint_ustreamer_args}}
+{% else %}
+ExecStart=/usr/bin/ustreamer
+{% endif %}
+Restart=always
+
+[Install]
+WantedBy=multi-user.target
\ No newline at end of file
diff --git a/site.yml b/site.yml
index 7b960bf..a28043f 100644
--- a/site.yml
+++ b/site.yml
@@ -1,5 +1,5 @@
 - name: Setup common rules
-  hosts: [3D_Printers]
+  hosts: [3D-Printers]
   roles:
   - common
   - root_keys
@@ -7,4 +7,5 @@
 - name: Setup octoprint
   hosts: [Octoprint_hosts]
   roles:
-  - octoprint
\ No newline at end of file
+  - octoprint
+  tags: octoprint
\ No newline at end of file