标签：status proc uid sudo sig cut was begin start
本文演示版本为7.6.2
一、下载
下载地址：https://www.elastic.co/cn/downloads/past-releases#elasticsearch
1. 选择好要安装的版本，点击下载
2.点击rpm选项进行下载
二、安装
1. 首先将下载好的rpm包复制到虚拟机/服务器中。我这里是在usr/local下创建了一个elasticsearch文件夹，将rpm包放了进去，执行安装命令：
rpm -ivh elasticsearch-7.6.2-x86_64.rpm
[root@localhost elasticsearch]# rpm -ivh elasticsearch-7.6.2-x86_64.rpm 警告：elasticsearch-7.6.2-x86_64.rpm: 头V4 RSA/SHA512 Signature, 密钥 ID d88e42b4: NOKEY 准备中... ################################# [100%] Creating elasticsearch group... OK Creating elasticsearch user... OK 正在升级/安装... 1:elasticsearch-0:7.6.2-1 ################################# [100%] ### NOT starting on installation, please execute the following statements to configure elasticsearch service to start automatically using systemd sudo systemctl daemon-reload sudo systemctl enable elasticsearch.service ### You can start elasticsearch service by executing sudo systemctl start elasticsearch.service Created elasticsearch keystore in /etc/elasticsearch
2. 编辑elasticsearch的配置文件
vi /etc/elasticsearch/elasticsearch.yml
修改内容如下：
cluster.name: my-application node.name: node-1 //这里路径可以修改 记下来,一会会用到 path.data: /var/lib/elasticsearch //这里路径也可以修改 记下来,一会会用到 path.logs: /var/log/elasticsearch network.host: 0.0.0.0 cluster.initial_master_nodes: ["node-1"]
我的配置文件所有内容如下：（仅供参考）
# ======================== Elasticsearch Configuration =========================
#
# NOTE: Elasticsearch comes with reasonable defaults for most settings.
# Before you set out to tweak and tune the configuration, make sure you
# understand what are you trying to accomplish and the consequences.
#
# The primary way of configuring a node is via this file. This template lists
# the most important settings you may want to configure for a production cluster.
#
# Please consult the documentation for further information on configuration options:
# https://www.elastic.co/guide/en/elasticsearch/reference/index.html
#
# ---------------------------------- Cluster -----------------------------------
#
# Use a descriptive name for your cluster:
#
cluster.name: my-application
#
# ------------------------------------ Node ------------------------------------
#
# Use a descriptive name for the node:
#
node.name: node-1
#
# Add custom attributes to the node:
#
#node.attr.rack: r1
#
# ----------------------------------- Paths ------------------------------------
#
# Path to directory where to store the data (separate multiple locations by comma):
#
path.data: /var/lib/elasticsearch
#
# Path to log files:
#
path.logs: /var/log/elasticsearch
#
# ----------------------------------- Memory -----------------------------------
#
# Lock the memory on startup:
#
#bootstrap.memory_lock: true
#
# Make sure that the heap size is set to about half the memory available
# on the system and that the owner of the process is allowed to use this
# limit.
#
# Elasticsearch performs poorly when the system is swapping the memory.
#
# ---------------------------------- Network -----------------------------------
#
# Set the bind address to a specific IP (IPv4 or IPv6):
#
network.host: 0.0.0.0
#
# Set a custom port for HTTP:
#
#http.port: 9200
#
# For more information, consult the network module documentation.
#
# --------------------------------- Discovery ----------------------------------
#
# Pass an initial list of hosts to perform discovery when this node is started:
# The default list of hosts is ["127.0.0.1", "[::1]"]
#
#discovery.seed_hosts: ["host1", "host2"]
#
# Bootstrap the cluster using an initial set of master-eligible nodes:
#
cluster.initial_master_nodes: ["node-1"]
#
# For more information, consult the discovery and cluster formation module documentation.
#
# ---------------------------------- Gateway -----------------------------------
#
# Block initial recovery after a full cluster restart until N nodes are started:
#
#gateway.recover_after_nodes: 3
#
# For more information, consult the gateway module documentation.
#
# ---------------------------------- Various -----------------------------------
#
# Require explicit names when deleting indices:
#
#action.destructive_requires_name: true
3. 修改文件所有者
// 后面的两个路径就是上面配置文件中的路径 chown elasticsearch:elasticsearch -R /var/lib/elasticsearch chown elasticsearch:elasticsearch -R /var/log/elasticsearch
4. 设置成开机自启
systemctl enable elasticsearch.service
5. 启动、停止、查看状态命令
//启动 systemctl start elasticsearch.service //停止 systemctl stop elasticsearch.service //查看状态 systemctl status elasticsearch.service
6. 验证
启动成功后，执行如下命令：
curl http://127.0.0.1:9200
效果如下即为启动成功：
[root@localhost elasticsearch]# curl http://127.0.0.1:9200 { "name" : "node-1", "cluster_name" : "my-application", "cluster_uuid" : "z2gcYkX7RDi9ehkMD2cBhA", "version" : { "number" : "7.6.2", "build_flavor" : "default", "build_type" : "rpm", "build_hash" : "ef48eb35cf30adf4db14086e8aabd07ef6fb113f", "build_date" : "2020-03-26T06:34:37.794943Z", "build_snapshot" : false, "lucene_version" : "8.4.0", "minimum_wire_compatibility_version" : "6.8.0", "minimum_index_compatibility_version" : "6.0.0-beta1" }, "tagline" : "You Know, for Search" }
同理，物理机访问：
7. 问题
在启动的时候，遇到过如下问题：
[root@localhost ~]# journalctl -f -u elasticsearch.service -- Logs begin at 三 2021-03-03 11:26:29 CST. -- 3月 03 16:25:50 localhost.localdomain elasticsearch[60333]: OpenJDK 64-Bit Server VM warning: Option UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in a future release. 3月 03 16:26:23 localhost.localdomain elasticsearch[60333]: ERROR: [1] bootstrap checks failed 3月 03 16:26:23 localhost.localdomain elasticsearch[60333]: [1]: the default discovery settings are unsuitable for production use; at least one of [discovery.seed_hosts, discovery.seed_providers, cluster.initial_master_nodes] must be configured 3月 03 16:26:23 localhost.localdomain elasticsearch[60333]: ERROR: Elasticsearch did not exit normally - check the logs at /var/log/elasticsearch/my-application.log 3月 03 16:26:24 localhost.localdomain systemd[1]: elasticsearch.service: main process exited, code=exited, status=78/n/a 3月 03 16:26:24 localhost.localdomain systemd[1]: Failed to start Elasticsearch. 3月 03 16:26:24 localhost.localdomain systemd[1]: Unit elasticsearch.service entered failed state. 3月 03 16:26:24 localhost.localdomain systemd[1]: elasticsearch.service failed. 3月 03 16:26:57 localhost.localdomain systemd[1]: Starting Elasticsearch... 3月 03 16:26:57 localhost.localdomain elasticsearch[60524]: OpenJDK 64-Bit Server VM warning: Option UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in a future release. 3月 03 16:27:13 localhost.localdomain elasticsearch[60524]: ERROR: [1] bootstrap checks failed 3月 03 16:27:13 localhost.localdomain elasticsearch[60524]: [1]: the default discovery settings are unsuitable for production use; at least one of [discovery.seed_hosts, discovery.seed_providers, cluster.initial_master_nodes] must be configured 3月 03 16:27:13 localhost.localdomain elasticsearch[60524]: ERROR: Elasticsearch did not exit normally - check the logs at /var/log/elasticsearch/my-application.log
原因是yml配置文件没有配置对造成的。
参考：
1. https://www.cnblogs.com/12james/p/12768478.html
2. https://www.pianshen.com/article/95181158665/
【elasticsearch】centos7下安装elasticsearch7.6.2（rpm方式）
标签：status proc uid sudo sig cut was begin start
原文地址：https://www.cnblogs.com/flyinghome/p/14475602.html
