Shulou(Shulou.com)06/03 Report--

1: download and decompress:

Wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.3.2.tar.gz

2: configure config/elasticsearch.yml

Network.host: 10.99.32.16

Http.port: 9200

Path.logs: / root/elasticsearch/log

Path.data: / root/elasticsearch/data

Node.name: node-1

Cluster.name: mycluster

Discovery.zen.ping.unicast.hosts: ["10.99.32.16", "10.99.32.17", "10.99.32.18"]

Discovery.zen.minimum_master_nodes: 2

Bootstrap.memory_lock: true

3: configure config/jvm.options

4: configure some system kernel parameters:

Can not run elasticsearch as root:

You cannot use a root user to operate. You need to create a user and change the owner of the original directory to that user.

Adduser myuser

Passwd myuser

Chown-R myuser / mypath

Max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536]

Modify / etc/security/limits.conf

Add: elastic hard nofile 65536

Max file size [67107840] for user [elastic] is too low, increase to [unlimited]

Modify / etc/security/limits.conf

Elastic soft fsize unlimited

Max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]

Solution: sysctl-w vm.max_map_count=262144

5: run:

Bin/elasticsearch

Background operation: bin/elasticsearch-d-p pidFile

A pidFile file is generated to record the pid

As the system starts:

Sudo / bin/systemctl daemon-reload

Sudo / bin/systemctl enable elasticsearch.service

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