1. [root@devops01 ~]#rpm -ivh elasticsearch-7.9.1-x86_64.rpm
    3. # 启动ES
    4. [root@devops01 ~]# sudo systemctl daemon-reload
    5. [root@devops01 ~]# sudo systemctl enable elasticsearch.service
    7. #查看ES是否运⾏
    8. [root@devops01 ~]#netstat -tunlp
    10. # 检查ES
    11. [root@devops01 ~]#curl 127.0.0.1:9200
    13. # 备份配置文件
    14. [root@devops01 ~]#cp /etc/elasticsearch/elasticsearch.yml{,.ori}
    16. # 修改配置文件
    17. [root@devops01 ~]#cat > /etc/elasticsearch/elasticsearch.yml <<'EOF'
    18. node.name: devops01
    19. path.data: /var/lib/elasticsearch
    20. path.logs: /var/log/elasticsearch
    21. bootstrap.memory_lock: true
    22. network.host: 127.0.0.1,10.0.0.18 
    23. http.port: 9200
    24. discovery.seed_hosts: ["10.0.0.18"]
    25. cluster.initial_master_nodes: ["10.0.0.18"]
    26. EOF
    29. # 重启es，这⾥应该会报错 解决办法
    30. # https://www.elastic.co/guide/en/elasticsearch/reference/current/setting-system-settings.html#systemd
    31. [root@devops01 ~]#systemctl edit elasticsearch.service 
    32. [root@devops01 ~]#systemctl daemon-reload
    33. [root@devops01 ~]#systemctl restart elasticsearch.service