add string returns for metrics and properties

defaults/main.yaml

@@ -2,6 +2,7 @@
 
 # required system packages
 cosmostat_packages:
+  - docker
   - docker.io
   - docker-compose
   - python3
@@ -27,6 +28,8 @@ cosmostat_venv_packages: |
 cosmostat_sudoers_content: |
   cosmos ALL=(root) NOPASSWD: /usr/bin/lshw
   cosmos ALL=(root) NOPASSWD: /usr/sbin/smartctl
+  cosmos ALL=(root) NOPASSWD: /usr/bin/dmesg
+  cosmos ALL=(root) NOPASSWD: /usr/sbin/dmidecode
 
 # subnet for service
 docker_subnet: "192.168.37.0/24"
@@ -47,16 +50,17 @@ api_service_exe: "{{ venv_folder }}/bin/python -u {{ api_service_folder }}/app.p
 
 # dashboard vars
 service_control_web_folder: "{{ service_folder }}/web"
+public_dashboard: true
 
 # will skip init when true
 quick_refresh: false
 
 # cosmostat_settings 
 noisy_test: false
-debug_output: false
+debug_output: true
 secure_api: true
 push_redis: true
 run_background : true
 log_output: true
-update_frequency: "2"
+update_frequency: "1"
 ...