我们直接开始 

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• 基础环境和java

sudo yum install epel-release 
并安装带有
sudo yum install pwgen

yum install java-1.8.0-openjdk-headless.x86_64

• MONGODB 安装数据库

vi /etc/yum.repos.d/mongodb-org.repo

[mongodb-org-4.2]
name=MongoDB Repository
baseurl=https://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/4.2/x86_64/
gpgcheck=1
enabled=1
gpgkey=https://www.mongodb.org/static/pgp/server-4.2.asc

执行安装

sudo yum install mongodb-org

启动

sudo systemctl daemon-reload
sudo systemctl enable mongod.service
sudo systemctl start mongod.service
sudo systemctl --type=service --state=active | grep mongod

• 安装 ELASTICSEARCH

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


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

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

安装和启动

sudo yum install elasticsearch-oss

vi /etc/elasticsearch/elasticsearch.yml 
# 返注释最后一行action.auto_create_index: false

sudo tee -a /etc/elasticsearch/elasticsearch.yml >/dev/null<

sudo systemctl daemon-reload
sudo systemctl enable elasticsearch.service
sudo systemctl restart elasticsearch.service
sudo systemctl --type=service --state=active | grep elasticsearch

• 安装GRAYLOG 

sudo rpm -Uvh https://packages.graylog2.org/repo/packages/graylog-4.3.8-repository_latest.rpm
sudo yum install -y graylog-server graylog-enterprise-plugins graylog-integrations-plugins graylog-enterprise-integrations-plugins

#安装完成后，首先生成password_secret密码
pwgen -N 1 -s 96
#要创建您的root_password_sha2 运行以下命令：
echo -n "Enter Password: " && head -1

生成的secret 和密码填入配置文件中

注意时区 

root_timezone = Asia/Shanghai

以及ip

http_bind_address = 0.0.0.0:9000

最后启动

#启动graylog
sudo systemctl daemon-reload
sudo systemctl enable graylog-server.service
sudo systemctl start graylog-server.service
sudo systemctl --type=service --state=active | grep graylog

• 注意关闭 SELinux

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文章名称：CENTOS安装graylog4.39-创新互联
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