# CA generated without key using instances.yml

**URL:** <https://discuss.elastic.co/t/ca-generated-without-key-using-instances-yml/295221>\
**Category:** Elasticsearch\
**Tags:** elastic-stack-security\
**Created:** [January 24, 2022, 11:39am UTC](https://discuss.elastic.co/t/ca-generated-without-key-using-instances-yml/295221 "2022-01-24T11:39:34Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Mamol27](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/mamol27/32/82016_2.png) [@Mamol27](https://discuss.elastic.co/u/Mamol27)\
**Post date:** [January 24, 2022, 11:39am UTC](https://discuss.elastic.co/t/ca-generated-without-key-using-instances-yml/295221/1 "2022-01-24T11:39:34Z")

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Hi! I tried to generate certificates like this [How to Secure Elasticsearch Clusters - Completely and Effectively](https://opster.com/guides/security/basic-elasticsearch-cluster-security/), but in folder ca I have got only ca.crt without key. It could be a problem if I need to add some certificates with signed this ca.  
How to generate ca by this way with key?

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [February 21, 2022, 11:39am UTC](https://discuss.elastic.co/t/ca-generated-without-key-using-instances-yml/295221/2 "2022-02-21T11:39:43Z")

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