ELK-8.14.3日志服务器部署

操作系统:

CentOS Stream 9

ELK服务器集群:

Elasticsearch node01:192.168.170.20

Elasticsearch node02:192.168.170.21

Kibana+Logstash:192.168.170.22

一.安装JDK

java -version

此处系统弹出提示并自动安装。

二.安装elasticsearch

1.elasticsearch部分:

(1)创建elk账户用于启动服务

useradd elk

passwd elk

(2)下载elasticsearch-8.14.3-x86_64.rpm并上传至服务器,下载链接:

https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-8.14.3-x86_64.rpm

rpm -ivh elasticsearch-8.14.3-x86_64.rpm

(3)修改elasticsearch.yml

mkdir -p /data/elasticsearch              //用于存放数据

vim /etc/elasticsearch/elasticsearch.yml

node01:

node02:

(4)优化服务器性能:

vim /etc/systemd/system.conf

修改后重启系统

(5)启动elasticsearch

chown -R elk.elk /var/lib/elasticsearch/ /var/log/elasticsearch/ /etc/sysconfig/elasticsearch /etc/elasticsearch/ /usr/share/elasticsearch/ /data/elasticsearch/

开放防火墙端口

firewall-cmd --zone=public --add-port=9200/tcp --permanent

firewall-cmd --zone=public --add-port=9300/tcp --permanent

systemctl restart firewalld

手动启动elasticsearch

su elk

/usr/share/elasticsearch/bin/elasticsearch &     //&后台运行

创建elasticsearch启动脚本

cd /home

vim elasticsearch.sh

#!/bin/bash

sudo -u elk bash << EOF

cd /usr/share/elasticsearch/bin

./elasticsearch -d

EOF

chmod u+x elasticsearch.sh

加入开机启动

需先提升elk的sudo权限

chmod u+w /etc/sudoers

vim /etc/sudoers          //在root ALL=(ALL) ALL的下一行添加代码elk ALL=(ALL) ALL

chmod u-w /etc/sudoers

vim /etc/rc.d/rc.local          //添加以下内容

chmod +x /etc/rc.d/rc.local

systemctl start rc-local.service

systemctl status rc-local.service

2.elasticsearch-head部分:

安装Elasticsearch-head插件(可视化插件), 安装在master上即可

(1)首先安装一些必要组件

安装node.js

wget https://nodejs.org/dist/latest-v22.x/node-v22.4.1-linux-x64.tar.gz

tar zxvf node-v22.4.1-linux-x64.tar.gz -C /usr/share

cd /usr/share/

mv node-v22.4.1-linux-x64/ node

vim /etc/profile

最后一行加上

export NODE_HOME=/usr/share/node

export PATH=$NODE_HOME/bin:$PATH

source /etc/profile

node -v         //查看版本

npm -v          //查看版本

wget https://bitbucket.org/ariya/phantomjs/downloads/phantomjs-2.1.1-linux-x86_64.tar.bz2

tar jxvf phantomjs-2.1.1-linux-x86_64.tar.bz2 -C /usr/share

cd /usr/share/

mv phantomjs-2.1.1-linux-x86_64/ phantomjs

创建软链接

ln -s /usr/share/node/bin/node /usr/local/bin/node

ln -s /usr/share/node/bin/npm /usr/local/bin/npm

ln -s /usr/share/phantomjs/bin/phantomjs /usr/local/bin/phantomjs

(2)安装elasticsearch-head

下载elasticsearch-head.zip并上传至服务器,下载链接:

链接:https://pan.baidu.com/s/1yl1Fr9nVpELbUKOe3XIj2w

提取码:j1oq

unzip elasticsearch-head.zip

mv elasticsearch-head /usr/share

cd /usr/share/elasticsearch-head

npm install

(3)启动elasticsearch-head

firewall-cmd --zone=public --add-port=9100/tcp --permanent

systemctl restart firewalld

npm run start

vim /etc/elasticsearch/elasticsearch.yml

添加以下内容

http.cors.enabled: true

http.cors.allow-origin: "*"

http.cors.allow-headers: Authorization,Content-Type

保存文件后重启 elasticsearch 和 elasticsearch-head

创建elasticsearch-head启动脚本

cd /home

vim es_head.sh

#!/bin/bash

cd /usr/share/elasticsearch-head

nohup npm run start &

chmod u+x es_head.sh

加入开机启动

vim /etc/rc.d/rc.local

chmod +x /etc/rc.d/rc.local

systemctl restart rc-local.service

systemctl status rc-local.service

浏览器中打开http://192.168.170.20:9100/访问elasticsearch-head

三.安装Kibana

(1)创建elk账户用于启动服务

useradd elk

passwd elk            

(2)下载kibana-8.14.3-linux-x86_64.tar.gz并上传至服务器,下载链接:

https://artifacts.elastic.co/downloads/kibana/kibana-8.14.3-linux-x86_64.tar.gz

tar zxvf kibana-8.14.3-linux-x86_64.tar.gz -C /usr/share/

cd /usr/share/

mv kibana-8.14.3/ kibana

(3)修改kibana.yml

vim /usr/share/kibana/config/kibana.yml

(4)启动kibana

chown -R elk.elk /usr/share/kibana

开放防火墙端口

firewall-cmd --zone=public --add-port=5601/tcp --permanent

systemctl restart firewalld

手动启动kibana

su elk

/usr/share/kibana/bin/kibana &

创建kibana启动脚本

cd /home

vim kibana.sh

#!/bin/bash

sudo -u elk bash << EOF

cd /usr/share/kibana/bin

nohup ./kibana &

EOF

chmod u+x kibana.sh

加入开机启动

vim /etc/rc.d/rc.local

chmod +x /etc/rc.d/rc.local

systemctl start rc-local.service

systemctl status rc-local.service

(5)浏览器中打开http://192.168.170.22:5601/访问kibana

四.安装logstash

(1)下载logstash并上传至服务器,下载链接:

https://artifacts.elastic.co/downloads/logstash/logstash-8.14.3-linux-x86_64.tar.gz

tar zxvf logstash-8.14.3-linux-x86_64.tar.gz -C /usr/share/

cd /usr/share/

mv logstash-8.14.3/ logstash

(2)收集目标服务器日志

mkdir -p /logstash/etc

vim /usr/share/logstash/etc/serverlog.conf

input {

        tcp {

                port => "514"

                type => "serverlog"



        }



}

output {

        elasticsearch {

                hosts => "192.168.170.20:9200"

                index => "serverlog-%{+YYYY.MM}"

        }



}

(3)在目标服务器上配置:

vim /etc/rsyslog.conf

重启rsyslog服务

systemctl restart rsyslog.service

(4)启动logstash进行日志收集

开放防火墙端口(514为logstash日志收集端口)

firewall-cmd --zone=public --add-port=514/tcp --permanent

systemctl restart firewalld

/usr/share/logstash/bin/logstash -f /usr/share/logstash/etc/serverlog.conf &     //&后台运行

创建启动脚本

cd /home

vim logsatsh.sh

#!/bin/bash

nohup /usr/share/logstash/bin/logstash -f /usr/share/logstash/etc/serverlog.conf &

chmod u+x logstash.sh

加入开机启动

vim /etc/rc.d/rc.local

chmod +x /etc/rc.d/rc.local

systemctl start rc-local.service

systemctl status rc-local.service

(5)打开http://192.168.170.20:9100/访问elasticsearch-head

如图所示,说明日志正常收集。

(6)打开Kibana添加日志索引

至此,ELK日志服务器初步部署完成。

后续Redis、Filebeat、Winlogbeat另做补充。

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