ES单节点安装最最详细步骤

65 阅读 0 评论 43 点赞

我是靠谱客的博主追寻火龙果，最近开发中收集的这篇文章主要介绍ES单节点安装最最详细步骤，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

1，在root用户下

groupadd es
useradd es -g es  #将创建的用户放到用户组里
mkdir -p /usr/local/es 
chomn -Rf es:es /usr/local/es
[root@web01 es]# ls
elasticsearch-7.4.2-linux-x86_64.tar.gz
[root@web01 es]# tar -zxvf elasticsearch-7.4.2-linux-x86_64.tar.gz

 [root@web01 es]# ll
total 276M
drwxr-xr-x.  3 es   es     80 Oct 19 10:11 .
drwxr-xr-x. 28 root root 4.0K Oct 19 03:46 ..
drwxr-xr-x.  9 root root  154 Oct 29  2019 elasticsearch-7.4.2
-rw-r--r--.  1 root root 276M Oct 19 03:27 elasticsearch-7.4.2-linux-x86_64.tar.gz
[root@web01 es]# cd /usr/local/es/elasticsearch-7.4.2/bin/
[root@web01 bin]# ./elasticsearch
future versions of Elasticsearch will require Java 11; your Java version from [/usr/java/jdk/jdk1.8.0_231/jre] does not meet this requirement
[2021-10-19T10:13:07,510][WARN ][o.e.b.ElasticsearchUncaughtExceptionHandler] [web01] uncaught exception in thread [main]
org.elasticsearch.bootstrap.StartupException: java.lang.RuntimeException: can not run elasticsearch as root
	at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:163) ~[elasticsearch-7.4.2.jar:7.4.2]
	at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:150) ~[elasticsearch-7.4.2.jar:7.4.2]
	at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) ~[elasticsearch-7.4.2.jar:7.4.2]
	at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:125) ~[elasticsearch-cli-7.4.2.jar:7.4.2]
	at org.elasticsearch.cli.Command.main(Command.java:90) ~[elasticsearch-cli-7.4.2.jar:7.4.2]
	at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:115) ~[elasticsearch-7.4.2.jar:7.4.2]
	at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:92) ~[elasticsearch-7.4.2.jar:7.4.2]
Caused by: java.lang.RuntimeException: can not run elasticsearch as root
	at org.elasticsearch.bootstrap.Bootstrap.initializeNatives(Bootstrap.java:105) ~[elasticsearch-7.4.2.jar:7.4.2]
	at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:172) ~[elasticsearch-7.4.2.jar:7.4.2]
	at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:349) ~[elasticsearch-7.4.2.jar:7.4.2]
	at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:159) ~[elasticsearch-7.4.2.jar:7.4.2]
	... 6 more

[root@web01 bin]# cd .. 
[root@web01 elasticsearch-7.4.2]# ll
total 556K
drwxr-xr-x.  9 root root  154 Oct 29  2019 .
drwxr-xr-x.  3 es   es     80 Oct 19 10:11 ..
drwxr-xr-x.  2 root root 4.0K Oct 29  2019 bin
drwxr-xr-x.  2 root root  178 Oct 19 10:13 config
drwxr-xr-x.  9 root root  107 Oct 29  2019 jdk
drwxr-xr-x.  3 root root 4.0K Oct 29  2019 lib
-rw-r--r--.  1 root root  14K Oct 29  2019 LICENSE.txt
drwxr-xr-x.  2 root root 4.0K Oct 19 10:13 logs
drwxr-xr-x. 37 root root 4.0K Oct 29  2019 modules
-rw-r--r--.  1 root root 511K Oct 29  2019 NOTICE.txt
drwxr-xr-x.  2 root root    6 Oct 29  2019 plugins
-rw-r--r--.  1 root root 8.4K Oct 29  2019 README.textile
[root@web01 elasticsearch-7.4.2]# cd jdk/
[root@web01 jdk]# pwd
/usr/local/es/elasticsearch-7.4.2/jdk  #复制下来
[root@web01 jdk]# cd ../bin/
[root@web01 bin]# vim elasticsearch-env

: 保存退出

[root@web01 es]# curl http://127.0.0.1:9200
{
  "name" : "web01",
  "cluster_name" : "elasticsearch",
  "cluster_uuid" : "_na_",
  "version" : {
    "number" : "7.4.2",
    "build_flavor" : "default",
    "build_type" : "tar",
    "build_hash" : "2f90bbf7b93631e52bafb59b3b049cb44ec25e96",
    "build_date" : "2019-10-28T20:40:44.881551Z",
    "build_snapshot" : false,
    "lucene_version" : "8.2.0",
    "minimum_wire_compatibility_version" : "6.8.0",
    "minimum_index_compatibility_version" : "6.0.0-beta1"
  },
  "tagline" : "You Know, for Search"
}

 [root@web01 config]# pwd
/usr/local/es/elasticsearch-7.4.2/config
[root@web01 config]# vim /etc/security/limits.conf

[root@web01 config]# vi /etc/sysctl.conf

[root@web01 config]# sysctl -p
vm.max_map_count = 262144

[root@web01 config]# vi elasticsearch.yml

[root@web01 elasticsearch-7.4.2]# cd /usr/local/es/
[root@web01 es]# chown -Rf es:es /usr/local/es

[es@web01 bin]$ ./elasticsearch -d
OpenJDK 64-Bit Server VM warning: Option UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in a future release.