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opensearch-docs-cn/_opensearch/install/compatibility.md

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Add Java and OS recommendations
2021-06-23 12:45:20 -04:00
---
layout: default
title: Compatibility
parent: Install OpenSearch
nav_order: 2
---
# Operating system and JVM compatibility
- We recommend installing OpenSearch on RHEL- or Debian-based Linux distributions that use [systemd](https://en.wikipedia.org/wiki/Systemd), such as CentOS, Amazon Linux 2, and Ubuntu (LTS). OpenSearch should work on many Linux distributions, but we only test a handful.
Update compatibility.md
2021-06-28 17:49:15 -04:00
- The OpenSearch tarball ships with a compatible version of Java in the `jdk` directory. To find its version, run `./bin/opensearch --version`.
Add Java and OS recommendations
2021-06-23 12:45:20 -04:00
To use a different Java installation, set the `OPENSEARCH_JAVA_HOME` environment variable to the Java install location. We recommend Java 11 (LTS), but OpenSearch also works with Java 8.
OpenSearch version | Compatible Java versions | Recommended operating systems
:--- | :--- | :---
1.x | 8, 11 | Red Hat Enterprise Linux 7, 8; CentOS 7, 8; Amazon Linux 2; Ubuntu 16.04, 18.04, 20.04