Amazon Elasticsearch Service Is Now Amazon OpenSearch Service and Supports OpenSearch 1.0 | AWS News Blog
https://aws.amazon.com/blogs/aws/amazon-elasticsearch-service-is-now-amazon-opensearch-service-and-supports-opensearch-10/
Amazon: NOT OK - why we had to change Elastic licensing | Elastic Blog
https://www.elastic.co/blog/why-license-change-AWS
ELK: Deleting unassigned shards to restore cluster health – Fabian Lee : Software Architect
https://fabianlee.org/2018/10/02/elk-deleting-unassigned-shards-to-restore-cluster-health/
Elasticsearch does not belong to Elastic
https://drewdevault.com/2021/01/19/Elasticsearch-does-not-belong-to-Elastic.html
Elasticsearch not coming up after restart - #4 by samee_alam - Elasticsearch - Discuss the Elastic Stack
https://discuss.elastic.co/t/elasticsearch-not-coming-up-after-restart/310718/4
How to Uninstall Elasticsearch on Linux | ObjectRocket
https://kb.objectrocket.com/elasticsearch/how-to-uninstall-elasticsearch-on-linux
Install Elasticsearch with Debian Package | Elasticsearch Reference [7.6] | Elastic
https://www.elastic.co/guide/en/elasticsearch/reference/current/deb.html
Stepping up for a truly open source Elasticsearch | AWS Open Source Blog
https://aws.amazon.com/blogs/opensource/stepping-up-for-a-truly-open-source-elasticsearch/