elk: use common template

Author: tungbq

topics/elk/README.md

@@ -1,19 +1,52 @@
-# What is the ELK Stack?
+## What is ELK?
 
 - https://www.elastic.co/what-is/elk-stack
 
-# Elastic documentation
+### Overview
+
+- Elasticsearch is the heart of the free and open Elastic Stack
+- Discover, iterate, and resolve with ES|QL on Kibana
+
+### ELK Architecture
+
+- TO-DO
+
+### Official website documentation of ELK
 
 - https://www.elastic.co/guide/index.html
 
-# Get started
+## Prerequisites
+
+- None
+
+## Installation
+
+### How to install ELK?
+
+- Installing the Elastic Stack: https://www.elastic.co/guide/en/elastic-stack/current/installing-elastic-stack.html
+
+## Basics of ELK
+
+### 1. Getting started with ELK
+
+- Refer to the [Official ELK getting started documentation](https://www.elastic.co/guide/en/elasticsearch/reference/current/getting-started.html) for a comprehensive introduction.
+
+### 2. ELK Hello World
+
+- Check the [helloworld/](./basic/helloworld/) directory to create a simple ELK demo.
+
+## Beyond the Basics
+
+### Hands-On Example
+
+- Explore a practical hands-on example in the [ELK hands-on](https://www.elastic.co/guide/en/elasticsearch/reference/current/index.html) for more ELK concepts
 
-- See [helloworld](./helloworld/)
+## More
 
-# How to ingest data?
+### ELK learning resource
 
-- Metric: [metric-beat](./metric-beat/)
+- None
 
-# Setup alert in Elastic stack
+### Recommended Books
 
-- See [elasalert](./elasalert/)
+- None

topics/elk/metric-beat/ubuntu_host_on_docker/README.md topics/elk/advanced/REAMDE.md

@@ -0,0 +1 @@
+# TODO