ELK集群 日志中心集群
ES：用来日志存储
Logstash:用来日志的搜集，进行日志格式转换并且传送给别人（转发）
Kibana:主要用于日志的展示和分析
kafka
Filebeat:搜集文件数据
es-1
本地解析
vi /etc/hosts
scp /etc/hosts es-2:/etc/hosts
scp /etc/hosts es-3:/etc/hosts
yum -y install wget
安装配置jdk
wget 8u191
scp -3
tar xf jdk-8u191-linux-x64.tar.gz -C /usr/local/
[root@es-1 ~]# vim /etc/profile
JAVA_HOME=/usr/local/java
PATH=$JAVA_HOME/bin:$PATH
export JAVA_HOME PATH
[root@es-1~]# source /etc/profile
安装配置ES
useradd elsearch
ssh es-2 useradd elsearch
ssh es-3 useradd elsearch
echo "123456" | passwd --stdin "elsearch"
wget els包
vim /usr/local/elasticsearch/config/elasticsearch.yml
（都删了）
cluster.name: xingdiancloud-elk
node.name: es-1
node.master: true
node.data: true
path.data: /data/elasticsearch/data
path.logs: /data/elasticsearch/logs
bootstrap.memory_lock: false
bootstrap.system_call_filter: false
network.host: 0.0.0.0
http.port: 9200
discovery.zen.ping.unicast.hosts: ["es-1", "es-2","es-3"]
discovery.zen.ping_timeout: 150s
discovery.zen.fd.ping_retries: 10
client.transport.ping_timeout: 60s
http.cors.enabled: true
http.cors.allow-origin: "*"
创建ES数据及日志存储目录
mkdir -p /data/elasticsearch/{logs,data}
scp /usr/local/elasticsearch/config/elasticsearch.yml es-3:/usr/local/elasticsearch/config/elasticsearch.yml
修改安装目录及存储目录权限
系统优化
vi /etc/security/limits.conf
* soft nofile 65536
* hard nofile 131072
* soft nproc 2048
* hard nproc 4096
echo "vm.max_map_count=262144" >> /etc/sysctl.conf
sysctl -p
su - elsearch -c "cd /usr/local/elasticsearch && nohup bin/elasticsearch &"
es-2
echo "123456" | passwd --stdin "elsearch"
mkdir -p /data/elasticsearch/{logs,data}
echo "vm.max_map_count=262144" >> /etc/sysctl.conf
sysctl -p
su - elsearch -c "cd /usr/local/elasticsearch && nohup bin/elasticsearch &"
ss -antpl //看9200
es-3
echo "123456" | passwd --stdin "elsearch"
mkdir -p /data/elasticsearch/{logs,data}
vim /usr/local/elasticsearch-6.5.4/config/elasticsearch.yml (改名字)
echo "vm.max_map_count=262144" >> /etc/sysctl.conf
sysctl -p
su - elsearch -c "cd /usr/local/elasticsearch && nohup bin/elasticsearch &"
ss -antpl //看9200
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