and infra and host intro

Author: mdbirnstiehl

raw-migrated-files/docs-content/serverless/infrastructure-and-host-monitoring-intro.md

@@ -210,7 +210,6 @@ toc:
       - file: docs-content/serverless/general-serverless-status.md
       - file: docs-content/serverless/general-sign-up-trial.md
       - file: docs-content/serverless/index-management.md
-      - file: docs-content/serverless/infrastructure-and-host-monitoring-intro.md
       - file: docs-content/serverless/ingest-aws-securityhub-data.md
       - file: docs-content/serverless/ingest-falco.md
       - file: docs-content/serverless/ingest-third-party-cloud-security-data.md
@@ -453,7 +452,6 @@ toc:
       - file: observability-docs/observability/apm-getting-started-apm-server.md
       - file: observability-docs/observability/apm-traces.md
       - file: observability-docs/observability/index.md
-      - file: observability-docs/observability/infrastructure-and-host-monitoring-intro.md
       - file: observability-docs/observability/logs-checklist.md
       - file: observability-docs/observability/obs-ai-assistant.md
   - file: security-docs/security/index.md

raw-migrated-files/observability-docs/observability/infrastructure-and-host-monitoring-intro.md

@@ -2,13 +2,21 @@
 mapped_urls:
   - https://www.elastic.co/guide/en/observability/current/infrastructure-and-host-monitoring-intro.html
   - https://www.elastic.co/guide/en/serverless/current/infrastructure-and-host-monitoring-intro.html
+
+navigation_title: "Infrastructure and hosts"
 ---
 
-# Infrastructure and hosts
+# Infrastructure and host monitoring [infrastructure-and-host-monitoring-intro]
 
-% What needs to be done: Align serverless/stateful
+% Stateful only for Profiling, Tutorials, Metrics reference.
 
-% Use migrated content from existing pages that map to this page:
+Explore the topics in this section to learn how to observe and monitor hosts and other systems running in your environment.
 
-% - [ ] ./raw-migrated-files/observability-docs/observability/infrastructure-and-host-monitoring-intro.md
-% - [ ] ./raw-migrated-files/docs-content/serverless/infrastructure-and-host-monitoring-intro.md
+|     |     |
+| --- | --- |
+| [Analyze infrastructure and host metrics](../../../solutions/observability/infra-and-hosts/analyze-infrastructure-host-metrics.md) | Visualize infrastructure metrics to help diagnose problematic spikes, identify high resource utilization, automatically discover and track pods, and unify your metrics with other observability data. |
+| [Universal Profiling](../../../solutions/observability/infra-and-hosts/universal-profiling.md) | Profile all the code running on a machine, including application code, kernel, and third-party libraries. |
+| [Tutorial: Observe your Kubernetes deployments](../../../solutions/observability/infra-and-hosts/tutorial-observe-kubernetes-deployments.md) | Observe all layers of your application, including the orchestration software itself. |
+| [Tutorial: Observe your nginx instances](../../../solutions/observability/infra-and-hosts/tutorial-observe-nginx-instances.md) | Collect valuable metrics and logs from your nginx instances. |
+| [Troubleshooting](../../../troubleshoot/observability/troubleshooting-infrastructure-monitoring.md) | Troubleshoot common issues on your own or ask for help. |
+| [Metrics reference](asciidocalypse://docs/docs-content/docs/reference/data-analysis/observability/metrics-reference.md) | Learn about the key metrics displayed in the Infrastructure UI and how they are calculated. |