How To Install Elasticsearch 7.x for Xenforo on CentOS

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How To Install Elasticsearch 7.x for Xenforo​

This is tutorial for installing (not upgrading) elasticsearch 7 on centos.
If I am missing something, please post here.

Delete first old one if you have installed and install fresh new one elasticsearch v7
Code:

yum remove elasticsearch

Installing elasticsearch 7

Code:

rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearch
Code:

nano /etc/yum.repos.d/elasticsearch.repo
insert...

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