update grafana to v 9.5.2

Set fs.inotify.max_user_instances  to 4096 by default

ansible/setup/common/tasks/host_config.yml

@@ -0,0 +1,14 @@
+- name: Set timezone to UTC
+  become: true
+  community.general.timezone:
+    name: UTC
+  register: ts
+
+- name: Set Inode settings
+  become: true
+  changed_when: false
+  shell: |
+    if [ $(sysctl fs.inotify.max_user_instances | awk '{print $3}') -lt 4096 ]; then sysctl -w fs.inotify.max_user_instances=4096 ;fi
+    
+- debug:
+    msg: "{{ ts }}"

ansible/setup/common/tasks/main.yml

@@ -18,8 +18,8 @@
     import_tasks: install_base_packages.yml
 
 
-  - name: "Set Timezone {{host_name}}"
-    import_tasks: set_timezone_utc.yml
+  - name: "Host config {{host_name}}"
+    import_tasks: host_config.yml
 
 
 
@@ -36,5 +36,7 @@
 
   - name: "copy check config sh to the nodes "
     import_tasks: copy_check_config.yml
+
+
   tags:
     - nodes

ansible/setup/stack_observability/tasks/main.yml

@@ -24,7 +24,7 @@
     - docker_build_dir: "/tmp/dockerbuild"
     - nomad_cli_cert: "{{base_cert_dir}}/nomad/nomad-cli.pem"
     - nomad_cli_cert_key: "{{base_cert_dir}}/nomad/nomad-cli-key.pem"
-    - version_grafana: "9.5.1"
+    - version_grafana: "9.5.2"
     - version_grafana_nomadder: "{{version_grafana}}.0"
     - version_grafana_mimir: "2.8.0"
     - version_grafana_loki: "2.8.2"

docs/205_stack_core_mimir_prometheus.adoc

@@ -0,0 +1,4 @@
+=== PromQl Basics
+
+==== staleness
+https://www.youtube.com/watch?v=GcTzd2CLH7I&ab_channel=PrometheusMonitoring

docs/902_cheet_sheet_ubuntu.adoc

@@ -45,6 +45,17 @@ a|[source,shell]
 sudo nmap -sT -p- 172.26.73.37
 ----
 
+|Increase the inotify limits
+a|[source,shell]
+----
+#  In case of node logs Error streaming logs: error getting journald fd: Too many open files
+#Find current values
+sysctl fs.inotify
+#Set new value with
+
+sudo sysctl -w fs.inotify.max_user_instances=2048
+----
+[[_205_link_inode,Manage Inode]]https://maestral.app/docs/inotify-limits[Manage Inode]