Kibana server is not ready yet

Hi everyone, I am new on Elasticsearch and have created my lab before going to deploy in production. For lab purpose I have deployed all three (elasticsearch, kibana & logstash) on a single centos server. While I am facing issue in kibana as its showing "Kibana is not ready yet". I have configure elastic.yml and kibana.yml as below.
Looking forward for help. thanks in advance

======================== Elasticsearch Configuration =========================

NOTE: Elasticsearch comes with reasonable defaults for most settings.

Before you set out to tweak and tune the configuration, make sure you

understand what are you trying to accomplish and the consequences.

The primary way of configuring a node is via this file. This template lists

the most important settings you may want to configure for a production cluster.

Please consult the documentation for further information on configuration options:

Elasticsearch Guide | Elastic

---------------------------------- Cluster -----------------------------------

Use a descriptive name for your cluster:

cluster.name: elasticsearch

------------------------------------ Node ------------------------------------

Use a descriptive name for the node:

node.name: node1

Add custom attributes to the node:

#node.attr.rack: r1

----------------------------------- Paths ------------------------------------

Path to directory where to store the data (separate multiple locations by comma):

path.data: /var/lib/elasticsearch

Path to log files:

path.logs: /var/log/elasticsearch

----------------------------------- Memory -----------------------------------

Lock the memory on startup:

#bootstrap.memory_lock: true

Make sure that the heap size is set to about half the memory available

on the system and that the owner of the process is allowed to use this

limit.

Elasticsearch performs poorly when the system is swapping the memory.

---------------------------------- Network -----------------------------------

By default Elasticsearch is only accessible on localhost. Set a different

address here to expose this node on the network:

network.host: localhost

By default Elasticsearch listens for HTTP traffic on the first free port it

finds starting at 9200. Set a specific HTTP port here:

http.port: 9200

For more information, consult the network module documentation.

--------------------------------- Discovery ----------------------------------

Pass an initial list of hosts to perform discovery when this node is started:

The default list of hosts is ["127.0.0.1", "[::1]"]

#discovery.seed_hosts: ["127.0.0.1", "host2"]

Bootstrap the cluster using an initial set of master-eligible nodes:

#cluster.initial_master_nodes: ["node-1", "node-2"]

For more information, consult the discovery and cluster formation module documentation.

--------------------------------- Readiness ----------------------------------

Enable an unauthenticated TCP readiness endpoint on localhost

#readiness.port: 9399

---------------------------------- Various -----------------------------------

Allow wildcard deletion of indices:

#action.destructive_requires_name: false

#----------------------- BEGIN SECURITY AUTO CONFIGURATION -----------------------

The following settings, TLS certificates, and keys have been automatically

generated to configure Elasticsearch security features on 12-09-2022 10:34:05

--------------------------------------------------------------------------------

Enable security features

xpack.security.enabled: true

xpack.security.enrollment.enabled: true

Enable encryption for HTTP API client connections, such as Kibana, Logstash, and Agents

xpack.security.http.ssl:
enabled: true
keystore.path: certs/http.p12

Enable encryption and mutual authentication between cluster nodes

xpack.security.transport.ssl:
enabled: true
verification_mode: certificate
keystore.path: certs/transport.p12
truststore.path: certs/transport.p12

Create a new cluster with the current node only

Additional nodes can still join the cluster later

cluster.initial_master_nodes: ["node1"]

Allow HTTP API connections from anywhere

Connections are encrypted and require user authentication

http.host: 0.0.0.0

Allow other nodes to join the cluster from anywhere

Connections are encrypted and mutually authenticated

#transport.host: 0.0.0.0

#----------------------- END SECURITY AUTO CONFIGURATION -----------------------

Kibana configuration is as belows:

=================== System: Kibana Server ===================

Kibana is served by a back end server. This setting specifies the port to use.

server.port: 5601

Specifies the address to which the Kibana server will bind. IP addresses and host names are both valid values.

The default is 'localhost', which usually means remote machines will not be able to connect.

To allow connections from remote users, set this parameter to a non-loopback address.

server.host: "172.16.41.151"

Enables you to specify a path to mount Kibana at if you are running behind a proxy.

Use the server.rewriteBasePath setting to tell Kibana if it should remove the basePath

from requests it receives, and to prevent a deprecation warning at startup.

This setting cannot end in a slash.

#server.basePath: ""

Specifies whether Kibana should rewrite requests that are prefixed with

server.basePath or require that they are rewritten by your reverse proxy.

Defaults to false.

#server.rewriteBasePath: false

Specifies the public URL at which Kibana is available for end users. If

server.basePath is configured this URL should end with the same basePath.

server.publicBaseUrl: "http://172.16.41.151:5601"

The maximum payload size in bytes for incoming server requests.

#server.maxPayload: 1048576

The Kibana server's name. This is used for display purposes.

server.name: "localhost.localdomain"

=================== System: Kibana Server (Optional) ===================

Enables SSL and paths to the PEM-format SSL certificate and SSL key files, respectively.

These settings enable SSL for outgoing requests from the Kibana server to the browser.

#server.ssl.enabled: false
#server.ssl.certificate: /path/to/your/server.crt
#server.ssl.key: /path/to/your/server.key

=================== System: Elasticsearch ===================

The URLs of the Elasticsearch instances to use for all your queries.

elasticsearch.hosts: ["http://localhost:9200"]

If your Elasticsearch is protected with basic authentication, these settings provide

the username and password that the Kibana server uses to perform maintenance on the Kibana

index at startup. Your Kibana users still need to authenticate with Elasticsearch, which

is proxied through the Kibana server.

elasticsearch.username: "kibana_system"
elasticsearch.password: "password"

Kibana can also authenticate to Elasticsearch via "service account tokens".

Service account tokens are Bearer style tokens that replace the traditional username/password based configuration.

Use this token instead of a username/password.

elasticsearch.serviceAccountToken: "my_token"

Time in milliseconds to wait for Elasticsearch to respond to pings. Defaults to the value of

the elasticsearch.requestTimeout setting.

#elasticsearch.pingTimeout: 1500

Time in milliseconds to wait for responses from the back end or Elasticsearch. This value

must be a positive integer.

#elasticsearch.requestTimeout: 30000

The maximum number of sockets that can be used for communications with elasticsearch.

Defaults to Infinity.

#elasticsearch.maxSockets: 1024

Specifies whether Kibana should use compression for communications with elasticsearch

Defaults to false.

#elasticsearch.compression: false

List of Kibana client-side headers to send to Elasticsearch. To send no client-side

headers, set this value to (an empty list).

#elasticsearch.requestHeadersWhitelist: [ authorization ]

Header names and values that are sent to Elasticsearch. Any custom headers cannot be overwritten

by client-side headers, regardless of the elasticsearch.requestHeadersWhitelist configuration.

#elasticsearch.customHeaders: {}

Time in milliseconds for Elasticsearch to wait for responses from shards. Set to 0 to disable.

#elasticsearch.shardTimeout: 30000

=================== System: Elasticsearch (Optional) ===================

These files are used to verify the identity of Kibana to Elasticsearch and are required when

xpack.security.http.ssl.client_authentication in Elasticsearch is set to required.

#elasticsearch.ssl.certificate: /path/to/your/client.crt
#elasticsearch.ssl.key: /path/to/your/client.key

Enables you to specify a path to the PEM file for the certificate

authority for your Elasticsearch instance.

elasticsearch.ssl.certificateAuthorities: [ "/etc/kibana/certs/http_ca.crt" ]

To disregard the validity of SSL certificates, change this setting's value to 'none'.

#elasticsearch.ssl.verificationMode: full

=================== System: Logging ===================

Set the value of this setting to off to suppress all logging output, or to debug to log everything. Defaults to 'info'

#logging.root.level: debug

Enables you to specify a file where Kibana stores log output.

logging:
appenders:
file:
type: file
fileName: /var/log/kibana/kibana.log
layout:
type: json
root:
appenders:
- default
- file

layout:

type: json

Logs queries sent to Elasticsearch.

#logging.loggers:

- name: elasticsearch.query

level: debug

Logs http responses.

#logging.loggers:

- name: http.server.response

level: debug

Logs system usage information.

#logging.loggers:

- name: metrics.ops

level: debug

=================== System: Other ===================

The path where Kibana stores persistent data not saved in Elasticsearch. Defaults to data

#path.data: data

Specifies the path where Kibana creates the process ID file.

pid.file: /run/kibana/kibana.pid

Set the interval in milliseconds to sample system and process performance

metrics. Minimum is 100ms. Defaults to 5000ms.

#ops.interval: 5000

Specifies locale to be used for all localizable strings, dates and number formats.

Supported languages are the following: English (default) "en", Chinese "zh-CN", Japanese "ja-JP", French "fr-FR".

#i18n.locale: "en"

=================== Frequently used (Optional)===================

=================== Saved Objects: Migrations ===================

Saved object migrations run at startup. If you run into migration-related issues, you might need to adjust these settings.

The number of documents migrated at a time.

If Kibana can't start up or upgrade due to an Elasticsearch circuit_breaking_exception,

use a smaller batchSize value to reduce the memory pressure. Defaults to 1000 objects per batch.

#migrations.batchSize: 1000

The maximum payload size for indexing batches of upgraded saved objects.

To avoid migrations failing due to a 413 Request Entity Too Large response from Elasticsearch.

This value should be lower than or equal to your Elasticsearch cluster’s http.max_content_length

configuration option. Default: 100mb

#migrations.maxBatchSizeBytes: 100mb

The number of times to retry temporary migration failures. Increase the setting

if migrations fail frequently with a message such as `Unable to complete the [...] step after

15 attempts, terminating`. Defaults to 15

#migrations.retryAttempts: 15

=================== Search Autocomplete ===================

Time in milliseconds to wait for autocomplete suggestions from Elasticsearch.

This value must be a whole number greater than zero. Defaults to 1000ms

#unifiedSearch.autocomplete.valueSuggestions.timeout: 1000

Maximum number of documents loaded by each shard to generate autocomplete suggestions.

This value must be a whole number greater than zero. Defaults to 100_000

#unifiedSearch.autocomplete.valueSuggestions.terminateAfter: 100000

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