[DOCS|Monitoring] Added text about first time opening Kibana Monitoring (#19460) (#19597)

* [DOCS|Monitoring] Added text about first time opening Kibana Monitoring

* [DOCS | Monitoring] Incorporated review comments on startup experience doc

* [DOCS] Fixes typo

docs/monitoring/viewing-metrics.asciidoc

@@ -36,12 +36,32 @@ locally, go to `http://localhost:5601/`. To access {kib} and view the
 monitoring dashboards, you must log in as a user who has the `kibana_user`
 and `monitoring_user` roles.
 
-. Click **Monitoring** in the side navigation. This displays any cluster alerts
+. In the side navigation, click *Monitoring*. The first time you open {kib}
+monitoring, data collection is
+disabled. You will be prompted to turn on data collection.
++
+If you have permission to turn on data collection and there is data in the cluster,
+{kib} displays the monitoring dashboards.  You'll see cluster alerts
 that require your attention and a summary of the available monitoring metrics
 for {es}, Logstash, {kib}, and Beats. To view additional information, click the
 Overview, Nodes, Indices, or Instances links.
++
+[role="screenshot"]
+image::images/monitoring-dashboard.png[Monitoring dashboard]
++
+If {kib} can't activate monitoring, here are some things to do:
++
+* If you don't have permission to activate monitoring,
+contact your system administrator.
++
+* If {kib} can't find monitoring data, set the time filter to
+“Last 1 hour”.  When monitoring data appears in your cluster, the page
+automatically refreshes with the monitoring summary.
++
+* Check your `xpack.monitoring.elasticsearch.url` setting.
+See <<monitoring-settings-kb, Monitoring Settings in Kibana>>.
+
 
-image::monitoring/images/monitoring.jpg["Monitoring Dashboards",link="images/monitoring.jpg"]
 
 include::cluster-alerts-license.asciidoc[]
 include::beats-details.asciidoc[]

docs/settings/monitoring-settings.asciidoc

@@ -5,7 +5,11 @@
 <titleabbrev>Monitoring Settings</titleabbrev>
 ++++
 
-By default, monitoring is enabled. You can adjust how monitoring data is
+By default, the Monitoring application is enabled, but data collection
+is disabled.  When you first start {kib} monitoring, you will be prompted to
+enable data collection.
+
+You can adjust how monitoring data is
 collected from {kib} and displayed in {kib} by configuring settings in the
 `kibana.yml` file. There are also `xpack.monitoring.elasticsearch.*` settings,
 which support the same values as <<settings,{kib} configuration settings>>.
@@ -122,4 +126,5 @@ statistics. It also adds the calculated Cgroup CPU utilization to the
 *Node Overview* page instead of the overall operating system's CPU
 utilization. Defaults to `false`.
 +
-image::settings/images/monitoring-es-cgroup-true.png["Elasticsearch Inside a Container",link="images/monitoring-es-cgroup-true.png"]
+[role="screenshot"]
+image::images/monitoring-containers.png[Elasticsearch Inside a Container]