How do I transfer certificate from one cluster to another?

Elastic Stack Elasticsearch
1

Hi Team,

I need to move data from my single node cluster to another. I have around 80 Windows servers which are connected to Elasticsearch through elastic agent and this communication I believe happens through certificate. How and which certificates I should transfer to another cluster node so that windows hosts would start sending a logs to other Elasticsearch?

Or if any other procedure do I need to follow to achieve it?

TIA
Blason R

2

Well I had created certificates using below method and not using p12 format.

cd /usr/share/elasticsearch/
sudo nano instances.yml

instances:
    - name: "elasticsearch"
      ip:
        - "192.168.0.25"
    - name: "kibana"
      ip:
        - "192.168.0.25"
sudo bin/elasticsearch-certutil ca --pem
sudo unzip elastic-stack-ca.zip
sudo /usr/share/elasticsearch/bin/elasticsearch-certutil cert --ca-cert ca/ca.crt --ca-key ca/ca.key --pem --in instances.yml --out certs.zip
sudo mkdir certs

So eventually I believe I would need

ca.crt
ca.key
elasticsearch.crt  
elasticsearch.key 
 kibana.crt  
kibana.key

Copying to another server to their respective directory would help?

3

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