diff --git a/ansible/provisoning/add_public_keys.yaml b/ansible/provisoning/add_public_keys.yaml
index d15aafe..8ae33ea 100644
--- a/ansible/provisoning/add_public_keys.yaml
+++ b/ansible/provisoning/add_public_keys.yaml
@@ -11,7 +11,7 @@
     ansible.posix.authorized_key:
       user: "{{ lookup('env','USER') }}"
       state: present
-      key: "{{ lookup('file', '~/.ssh/ansible_id_rsa.pub') }}"
+      key: "{{ lookup('file', '~/.ssh/id_rsa.pub') }}"
 
   # (Optional)
   # Set all sudoers to no password
diff --git a/docker-compose/prometheus-grafana/README.md b/docker-compose/prometheus-grafana/README.md
new file mode 100644
index 0000000..e69de29
diff --git a/docker-compose/prometheus-grafana/config/prometheus.yml b/docker-compose/prometheus-grafana/config/prometheus.yml
new file mode 100644
index 0000000..a92bc91
--- /dev/null
+++ b/docker-compose/prometheus-grafana/config/prometheus.yml
@@ -0,0 +1,27 @@
+global:
+  scrape_interval:     15s # By default, scrape targets every 15 seconds.
+
+  # Attach these labels to any time series or alerts when communicating with
+  # external systems (federation, remote storage, Alertmanager).
+  # external_labels:
+  #  monitor: 'codelab-monitor'
+
+# A scrape configuration containing exactly one endpoint to scrape:
+# Here it's Prometheus itself.
+scrape_configs:
+  # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.
+  - job_name: 'prometheus'
+    # Override the global default and scrape targets from this job every 5 seconds.
+    scrape_interval: 5s
+    static_configs:
+      - targets: ['localhost:9090']
+
+  # Example job for node_exporter
+  # - job_name: 'node_exporter'
+  #  static_configs:
+  #    - targets: ['node_exporter:9100']
+
+  # Example job for cadvisor
+  # - job_name: 'cadvisor'
+  #   static_configs:
+  #     - targets: ['cadvisor:8080']
diff --git a/docker-compose/prometheus-grafana/docker-compose.yml b/docker-compose/prometheus-grafana/docker-compose.yml
new file mode 100644
index 0000000..6bcd472
--- /dev/null
+++ b/docker-compose/prometheus-grafana/docker-compose.yml
@@ -0,0 +1,54 @@
+---
+version: '3'
+
+volumes:
+  prometheus-data:
+    driver: local
+  grafana-data:
+    driver: local
+
+services:
+  prometheus:
+    image: prom/prometheus:latest
+    container_name: prometheus
+    ports:
+      - "9090:9090"
+    volumes:
+      - /etc/prometheus:/config
+      - prometheus-data:/prometheus
+    restart: unless-stopped
+    command:
+      - "--config.file=/config/prometheus.yml"
+
+  grafana:
+    image: grafana/grafana:latest
+    container_name: grafana
+    ports:
+      - "3000:3000"
+    volumes:
+      - grafana-data:/var/lib/grafana
+    restart: unless-stopped
+
+  cadvisor:
+    image: google/cadvisor:latest
+    container_name: cadvisor
+    # ports:
+    #   - "8080:8080"
+    volumes:
+      - /:/rootfs:ro
+      - /var/run:/var/run:ro
+      - /sys:/sys:ro
+      - /var/lib/docker/:/var/lib/docker:ro
+      - /dev/disk/:/dev/disk:ro
+    devices:
+      - /dev/kmsg
+
+  node_exporter:
+    image: quay.io/prometheus/node-exporter:latest
+    container_name: node_exporter
+    command:
+      - '--path.rootfs=/host'
+    pid: host
+    restart: unless-stopped
+    volumes:
+      - '/:/host:ro,rslave'
\ No newline at end of file
diff --git a/docker-compose/prometheus-grafana/exporters/cadvisor/docker-compose.yml b/docker-compose/prometheus-grafana/exporters/cadvisor/docker-compose.yml
new file mode 100644
index 0000000..85ed105
--- /dev/null
+++ b/docker-compose/prometheus-grafana/exporters/cadvisor/docker-compose.yml
@@ -0,0 +1,17 @@
+---
+version: '3'
+
+services:
+  cadvisor:
+    image: google/cadvisor:latest
+    container_name: cadvisor
+    # ports:
+    #   - "8080:8080"
+    volumes:
+      - /:/rootfs:ro
+      - /var/run:/var/run:ro
+      - /sys:/sys:ro
+      - /var/lib/docker/:/var/lib/docker:ro
+      - /dev/disk/:/dev/disk:ro
+    devices:
+      - /dev/kmsg
\ No newline at end of file
diff --git a/docker-compose/prometheus-grafana/exporters/node_exporter/docker-compose.yml b/docker-compose/prometheus-grafana/exporters/node_exporter/docker-compose.yml
new file mode 100644
index 0000000..e6f5e6d
--- /dev/null
+++ b/docker-compose/prometheus-grafana/exporters/node_exporter/docker-compose.yml
@@ -0,0 +1,13 @@
+---
+version: '3.8'
+
+services:
+  node_exporter:
+    image: quay.io/prometheus/node-exporter:latest
+    container_name: node_exporter
+    command:
+      - '--path.rootfs=/host'
+    pid: host
+    restart: unless-stopped
+    volumes:
+      - '/:/host:ro,rslave'
\ No newline at end of file
diff --git a/vagrant/hyperv/ubuntu/docker/Vagrantfile b/vagrant/hyperv/ubuntu/docker/Vagrantfile
old mode 100755
new mode 100644
diff --git a/vagrant/hyperv/ubuntu/microk8s-installed/Vagrantfile b/vagrant/hyperv/ubuntu/microk8s-installed/Vagrantfile
old mode 100755
new mode 100644
diff --git a/vagrant/hyperv/ubuntu/plain-with-cockpit/Vagrantfile b/vagrant/hyperv/ubuntu/plain-with-cockpit/Vagrantfile
old mode 100755
new mode 100644
diff --git a/vagrant/hyperv/ubuntu/plain-with-cockpit/playbook.yaml b/vagrant/hyperv/ubuntu/plain-with-cockpit/playbook.yaml
old mode 100755
new mode 100644
diff --git a/vagrant/hyperv/ubuntu/plain/Vagrantfile b/vagrant/hyperv/ubuntu/plain/Vagrantfile
old mode 100755
new mode 100644