CentOS 8 上安装 ELK 8.7，真的那么简单吗？

之前装过一次 ELK 7.7，相比之下装 8.7可方便太多了~ CentOS版本 　　CentOS-8.5.2111-x86_64-dvd1 JAVA 　　ELK会自己使用内置版本的JDK ElasticSearch 　　8.7.0 下载页面 Download Elasticsearch | Elastic Kinbana 　　8.7.0 下载地址 Download Kibana Free | Get Started Now | Elastic Logstash 　　8.7.0 下载地址 Download Logstash Free | Get Started Now | Elastic 安装ElasticSearch8 　　加入资源 rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearch 　　在/etc/yum.repos.d/位置创建文件elasticsearch.repo cd /etc/yum.repos.d/ vim elasticsearch.repo 　　输入如下内容： [elasticsearch] name=Elasticsearch repository for 8.x packages baseurl=https://artifacts.elastic.co/packages/8.x/yum gpgcheck=1 gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch enabled=0 autorefresh=1 type=rpm-md 将镜像从mirror.centos.org更改为vault.centos.org (yum可用，则跳过) 　　进入到 yum 的 repos 目录 cd /etc/yum.repos.d/ 　　修改 centos 文件内容 sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-* sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-* 　　生成缓存更新 yum makecache 　　运行 yum update，并且重新安装 vim yum update -y yum -y install vim 　　执行 yum 命令完成 es 安装 yum install --enablerepo=elasticsearch elasticsearch 　　安装完记得保存如下信息，便于后续使用 Authentication and authorization are enabled. TLS for the transport and HTTP layers is enabled and configured. The generated password for the elastic built-in superuser is : xxxxxxxxx If this node should join an existing cluster, you can reconfigure this with '/usr/share/elasticsearch/bin/elasticsearch-reconfigure-node --enrollment-token <token-here>' after creating an enrollment token on your existing cluster. You can complete the following actions at any time: Reset the password of the elastic built-in superuser with '/usr/share/elasticsearch/bin/elasticsearch-reset-password -u elastic'. Generate an enrollment token for Kibana instances with '/usr/share/elasticsearch/bin/elasticsearch-create-enrollment-token -s kibana'. Generate an enro