Download the installation package to the elasticSearch directory

Wget HTTP: / / https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.6.2.tar.gzCopy the code

Decompress the installation package

The tar - ZXVF elasticsearch - 6.6.2. Tar. GzCopy the code

Set the Internet access permission

CD elasticsearch 6.6.2 / config vi elasticsearch. YmlCopy the code

Change the configuration item to network.host:0.0.0.0

Example Modify the system environment variable vm.max_map_count

vi /etc/sysctl.conf
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Add the following information at the end (the information takes effect after a restart) :

vm.max_map_count=262144
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Modify the JVM allocation size

CD elasticsearch 6.6.2 / config vi JVM. The optionsCopy the code

Change the following content (note that Xms and Xmx should be set to the same, generally recommended to be half of the memory) :

Modify the maximum number of file descriptors and the maximum number of user threads

vi /etc/security/limits.conf
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Modify the following contents (if each item is larger than the following configuration) :

* soft nofile 65536 
* hard nofile 65536 
* soft nproc 4096 
* hard nproc 4096
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Start (disable root start)

CD elasticsearch - 6.6.2 / bin. / elasticsearch - dCopy the code

Check whether the startup is successful

ps -ef|grep elasticsearch
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