Kibana connection refused

Hi everyone,

Can anyone help me with my kibana connection refused?

My kibana is running. When I try curl -X GET http://localhost:5601, it gave me error: curl: (7) Failed connect to localhost:5601; Connection refused

curl -X GET http://localhost:9200 is working fine:

"name" : "aVMqaa2",
"cluster_name" : "elasticsearch",
"cluster_uuid" : "nz6JYM3CTdOWII2EzTrz4A",
"version" : {
"number" : "6.8.0",
"build_flavor" : "default",
"build_type" : "rpm",
"build_hash" : "65b6179",
"build_date" : "2019-05-15T20:06:13.172855Z",
"build_snapshot" : false,
"lucene_version" : "7.7.0",
"minimum_wire_compatibility_version" : "5.6.0",
"minimum_index_compatibility_version" : "5.0.0"
"tagline" : "You Know, for Search"

I checked the kibana log file there isn't any error message.

Version of logstash, elasticsearch, kibana
logstash 6.8.0, elasticsearch 6.8.0, kibana 6.8.0.

I am running this server on a Centos 7-6.1810

Thank you very much if anyone can help!

Can you please show kibana.yml configuration?

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. ""

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.

This setting was effectively always false before Kibana 6.3 and will

default to true starting in Kibana 7.0.

#server.rewriteBasePath: false

The maximum payload size in bytes for incoming server requests.

#server.maxPayloadBytes: 1048576

The Kibana server's name. This is used for display purposes. "your-hostname"

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

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

Here is the part that I edited.

Also, I double check the log file: there some error about elasticsearch:
{"type":"log","@timestamp":"2019-05-27T23:09:12Z","tags":["warning","elasticsearch","admin"],"pid":26382,"message":"Unable to revive connection:"}
{"type":"log","@timestamp":"2019-05-27T23:09:12Z","tags":["warning","elasticsearch","admin"],"pid":26382,"message":"No living connections"}

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