Elasticsearch安装笔记
2024-08-29 06:56:18
下载安装包
wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-5.5.2.zip
开始执行bin/./elasticsearch的时候会报错
java.lang.RuntimeException: can not run elasticsearch as root
at org.elasticsearch.bootstrap.Bootstrap.initializeNatives(Bootstrap.java:106) ~[elasticsearch-5.5.2.jar:5.5.2]
at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:194) ~[elasticsearch-5.5.2.jar:5.5.2]
at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:351) [elasticsearch-5.5.2.jar:5.5.2]
at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:123) [elasticsearch-5.5.2.jar:5.5.2]
at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:114) [elasticsearch-5.5.2.jar:5.5.2]
at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:67) [elasticsearch-5.5.2.jar:5.5.2]
at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:122) [elasticsearch-5.5.2.jar:5.5.2]
at org.elasticsearch.cli.Command.main(Command.java:88) [elasticsearch-5.5.2.jar:5.5.2]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:91) [elasticsearch-5.5.2.jar:5.5.2]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:84) [elasticsearch-5.5.2.jar:5.5.2]
[2017-08-21T14:22:13,881][WARN ][o.e.b.ElasticsearchUncaughtExceptionHandler] [] 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:127) ~[elasticsearch-5.5.2.jar:5.5.2]
at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:114) ~[elasticsearch-5.5.2.jar:5.5.2]
at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:67) ~[elasticsearch-5.5.2.jar:5.5.2]
at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:122) ~[elasticsearch-5.5.2.jar:5.5.2]
at org.elasticsearch.cli.Command.main(Command.java:88) ~[elasticsearch-5.5.2.jar:5.5.2]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:91) ~[elasticsearch-5.5.2.jar:5.5.2]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:84) ~[elasticsearch-5.5.2.jar:5.5.2]
Caused by: java.lang.RuntimeException: can not run elasticsearch as root
at org.elasticsearch.bootstrap.Bootstrap.initializeNatives(Bootstrap.java:106) ~[elasticsearch-5.5.2.jar:5.5.2]
at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:194) ~[elasticsearch-5.5.2.jar:5.5.2]
at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:351) ~[elasticsearch-5.5.2.jar:5.5.2]
at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:123) ~[elasticsearch-5.5.2.jar:5.5.2]
... 6 more
官方大概的意思是这么说的
永远不要以root用户身份运行Elasticsearch,因为这将允许任何成功的努力绕过其他安全层来在您的服务器上执行任何操作。 如果它检测到它以root身份运行,那么弹性搜索将拒绝启动,但是这是非常重要的,因此它值得双重和三重检查。
所以需要新增普通用户而不要使用root用户
adduser es
passwd es
groupadd notroot
用新用户启动报错:
ERROR: [3] bootstrap checks failed
[1]: max file descriptors [65535] for elasticsearch process is too low, increase to at least [65536]
[2]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
[3]: system call filters failed to install; check the logs and fix your configuration or disable system call filters at your own risk
修改文件
vi /etc/security/limits.conf
* soft nproc 65536
* hard nproc 65535
* soft nofile 65535
* hard nofile 131072
临时设置:sudo sysctl -w vm.max_map_count=262144
永久修改:
修改/etc/sysctl.conf 文件,添加 “vm.max_map_count”设置
并执行:sysctl -p
在elasticsearch.yml中配置bootstrap.system_call_filter为false,注意要在Memory下面:
bootstrap.memory_lock: false
bootstrap.system_call_filter: false
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