Elasticsearch单机部署

1. 下载并解压jdk
   tar -xzf jdk-8u162-linux-x64.tar.gz -C /opt
2. 下载并解压ES
   tar -xzf elasticsearch-6.3.2.tar.gz -C /opt
3. 创建链接
   ln -s /opt/jdk1.8.0_162 /usr/local/jdk
4. 修改~/.bashrc文件添加

#################### java ########################                            
export JAVA_HOME=/usr/local/jdk
export PATH=$PATH:$JAVA_HOME/bin

export ES_HOME=/opt/elasticsearch-6.3.2
export PATH=$PATH:$ES_HOME/bin

5. 创建数据目录
   mkdir -p /export/Data/elasticsearch
6. 修改配置文件 $ES_HOME/config/elasticsearch.yml

network.host: 0.0.0.0
path.data: /export/Data/elasticsearch

6. 创建用户

useradd elasticsearch
echo qynsy,stjdc |passwd --stdin elasticsearch
echo "elasticsearch ALL = (root) NOPASSWD:ALL" | tee /etc/sudoers.d/elasticsearch
chmod 0440 /etc/sudoers.d/elasticsearch
chown -R elasticsearch:elasticsearch /opt/elasticsearch-6.3.2
chown -R elasticsearch:elasticsearch /export/Data/elasticsearch

7. 启动服务

su elasticsearch
cd /opt/elasticsearch-6.3.2
elasticsearch -d