Install Elasticsearch on OpenBSD 7.5

Step 1 – Install

# Download Elasticsearch tarball from https://www.elastic.co/downloads/elasticsearch
# for OpenBSD 7.5

Step 2 – Save initial root password

grep 'generated password' /var/log/elasticsearch/elasticsearch.log
# Reset if needed:
/usr/share/elasticsearch/bin/elasticsearch-reset-password -u elastic

Step 3 – Verify

curl --cacert /etc/elasticsearch/certs/http_ca.crt -u elastic:YourPassword https://localhost:9200

Step 4 – Basic elasticsearch.yml

cluster.name: my-cluster
node.name: node-1
network.host: 127.0.0.1
http.port: 9200

Step 5 – Create an index

curl -X PUT "https://localhost:9200/my-index" \
    -u elastic:YourPassword \
    --cacert /etc/elasticsearch/certs/http_ca.crt \
    -H 'Content-Type: application/json' \
    -d '{"settings":{"number_of_shards":1,"number_of_replicas":0}}'