Elasticsearch installation and operation

     Windows System Reference link:

        1. elasticsearch 7.4 (Windows systems) specify a separate JDK version

         2. Install and run the Windows Elasticsearch

    ps: JDK version to be its match

Linux system configuration problems:

1.Ubuntu elasticsearch max virtual memory areas vm.max_map_count [65530] is too low, increase to ......

vi /etc/sysctl.conf 
vm.max_map_count=655360
sysctl -p

2. elasticsearch installation and start solving abnormalities

 

3. Elasticsaerch start error: Exception in thread "main" java.nio.file.AccessDeniedException :

Cause: The non-root user to start ES, and insufficient file permissions of the user to be rejected.

Solution: chown -R username: username file (directory) name

 

4. elasticsearch solve the installation and start-up under Linux, Frequently Asked Questions