Centos6搭建ELK - 01 安装Elasticsearch7.13

更换yum源

CentOS 6已经停止更新支持，同时官方也把yum源删除了，目前CentOS 6系统使用yum命令安装软件包基本都是失败，因此需要更换yum源。

wget -O /etc/yum.repos.d/CentOS-Base.repo http://file.kangle.odata.cc/repo/Centos-6.repo
wget -O /etc/yum.repos.d/epel.repo http://file.kangle.odata.cc/repo/epel-6.repo
yum makecache

* 注意先备份一下原有的repo文件，以免出问题无法恢复

安装elasticsearch

官方文档 https://www.elastic.co/guide/...
添加yum源

vim /etc/yum.repos.d/elasticsearch.repo

[elasticsearch]
name=Elasticsearch repository for 7.x packages
baseurl=https://artifacts.elastic.co/packages/7.x/yum
gpgcheck=1
gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch
enabled=0
autorefresh=1
type=rpm-md

安装

yum install -y elasticsearch

配置

vim /etc/elasticsearch/elasticsearch.yml

node.name: master-node
path.data: /data/elasticsearch/es-data
path.logs: /data/elasticsearch/es-log
http.port: 9200

vim /etc/elasticsearch/jvm.options

-Xms1g
-Xmx1g

启动 开机启动

service elasticsearch start
sudo chkconfig --add elasticsearch
chkconfig elasticsearch on

安装elasticsearch-head chrome浏览器插件

下载地址
https://files.cnblogs.com/fil...

查看端口占用

lsof -i:9100

常见问题：
1.启动失败进程被锁:elasticsearch dead but subsys locked

rm -rf /var/lock/subsys/elasticsearch

2.报错ElasticsearchException[java.io.IOException: failed to read /data/website/elasticsearch/es-data/nodes/0/_state/global-5.st];

rm -rf /data/website/elasticsearch/es-data/nodes/0/_state/global-5.st

3.报错The index [xxx/OA1r7HzuS42etn4k1xEjag] was created with version [5.6.16] but the minimum compatible version is [6.0.0-beta1]. It should be re-indexed in Elasticsearch 6.x before upgrading to 7.13.3.

rm -rf /data/website/elasticsearch/es-data/nodes/0/indices/*