18 lines
920 B
Markdown
18 lines
920 B
Markdown
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---
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layout: default
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title: Compatibility
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parent: Install OpenSearch
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nav_order: 2
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---
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# Operating system and JVM compatibility
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- 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.
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- OpenSearch ships with a compatible version of Java in the `jdk` directory. To find its version, run `./bin/opensearch --version`.
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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.
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OpenSearch version | Compatible Java versions | Recommended operating systems
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:--- | :--- | :---
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1.x | 8, 11 | Red Hat Enterprise Linux 7, 8; CentOS 7, 8; Amazon Linux 2; Ubuntu 16.04, 18.04, 20.04
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