Questions tagged [elasticsearch]

ElasticSearch is a JSON-based search and analytics engine, often associated with Logstash, which collects data, and Kibana, which visualizes the results. There are separate tags for these.

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hearthbeat can't run

I have ELK server, and sending Heartbeats to server. I added an monitor in monitors.d directory, added setup.dashboards.enabled: true line in heartbeat.yml file, but after restarting heartbeat service,...
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Mapper_parsing_exception when migrating index from 5.6 to 7.9

I am trying to migrate the index from version 5.6 to 7.9 and seeing the below error reason" : "failed to parse field [fields] of type [text] in document with id 'AXQd0YETZkyCPebFFOUB'. ...
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What is fields.yml file

Here I have installed packetbeat. So in the time learning the configuration for packetbeat I saw a file fields.yml in the directory /etc/packetbeat. I tried to get any information about that file but ...
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73 views

Gmake on FreeBSD: exec: “clang”: executable file not found in $PATH [closed]

I'm trying to install Filebeat (elasticsearch log shipping) on PfSense 2.4.5. I follow the instruction from: https://blog.securitybits.io/2019/12/beats-7.5.0-on-pfsense-2.4.4/ At the make step, I got ...
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Unable to install kibana on centos7 server,

I am trying to install ELK stack on Centos7 server using this: https://www.elastic.co/guide/en/elastic-stack-get-started/current/get-started-elastic-stack.html I had older version of ELK on the same ...
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67 views

Elasticsearch curator not deleting old indices

I am using Elasticsearch + Kibana + File-/Metric-/Winlogbeat to summarize my logfiles. To not fill up my HDD with tons of logs I wanted to just keep them 14 days - so I installed Curator to do this ...
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Elasticsearch is giving Trace: Authorization Exception

Hi I am accessing AWS Elasticsearch from Node JS. My Code - 'use strict'; require('dotenv').config(); const AWS = require('aws-sdk'); const Elasticsearch = require('elasticsearch'); const HttpAwsES ...
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Elastic query: check for two specific alarms types if they are raised in 10 minute period

I have an index named "alarm". And it has below fields: - raiseTime - clearTime - alarmSource - alarmType What I want to do is: query for a specific alarmType: "Temperature High" first. If ...
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Timestamp missing in Elasticsearch

I am quite new to Elasticsearch. I set up a new EFK cluster. Goal: Centralize logs and visualize it in Kibana. Problem: Timestamps are missing in Elasticsearch. What am I missing? Fluentd Client: ...
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what is GREEDYDATA in elasticsearch

reading the conf files of logstash i found in filter conf grok { match => { "message" => "Put\s*command\s*:\s+%{GREEDYDATA:command}" } } How does this filter work , i tried to ...
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25 views

Unable to remove the unwanted messages(especially Auditbeat) in my centos server

I need your help in solving the below mentioned Issue. I have Installed Auditbeat-7.3.1 as a part of ELK setup in my centos server. Everything was working well, But i was facing problem while ...
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125 views

Elastic Stack 7.4.0 | Filebeat CEF Module | mapper_parsing_exception

Hy! I'm trying to use Filebeat CEF module, but for every message i am affectionately received with this log Oct 13 15:43:45 MyHostname filebeat[24149]: 2019-10-13T15:43:45.352-0300#011WARN#...
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152 views

rsyslog error in logstash

I have installed ELK and tried to configure rsyslog server with logstash but i am getting lot of \ while executing curl -XGET 'http://172.22.63.61:9200/logstash-*/_search?q=*&pretty' Rsyslog ...
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2k views

Change filesystem without losing data

I've got 16 nodes of elasticsearch (RHEL 7) - 18TB each, every node has a ext4 filesystem. For better efficency I need to change to XFS filesystem. Is there any tool / way which help me change ...
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385 views

Yum install: unexpected nothing to do while upgrading elasticsearch

I'm experimenting something estrange with yum in centos7, lets see If someone understands what's happening: Usually, I upgrade packages using sudo yum install <package_name>-<version_info>...
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79 views

unable to connect with localhost (11.213.234.24) on port 9200 from vagrant

I am running vagrant from a virtual box with centos. Trying to connect my localhost on port 9200 from vagrant by using (curl -X GET 'http://11.213.234.24:9200'). Getting below error curl: (7) couldn'...
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312 views

Elasticsearch fails to start with 'permissions read' error even though read permissions exist

I have a symlink at /etc/elasticsearch/analysis that points to a mounted drive at /elasticdata/fileshare/analysis on Ubuntu 16.04 LTS Azure VM. When I try and start elasticsearch I am getting the ...
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Elasticsearch process run under weird username

I have Elasticsearch 1.7.3 running successfully on CentOS7. However, I observed: %ps -aux | grep elastic **209** 10504 85.0 29.2 36122740 19283600 ? SLl 04:02 0:05 /usr/bin/java -Xms30g -...
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397 views

Advantage of elasticsearch over grep when trying to search keyword in logs files [closed]

I know elasticsearch is good for full text search but when it comes to analyze logs, say nginx logs what is the advantage of using it over grep (with tail, awk, etc.) ? Quite of often I dig through ...
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How to operate on a directory with different owner from a script?

Few days ago i have installed elasticsearch, For diagnosing some problems on my elasticsearch setup, i have checked the logs files located in /var/log/elasticsearch and tailed them but apparently the ...
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803 views

Why does a systemd unit file at `/usr/lib/systemd/system/` still works for Ubuntu?

I understand that systemd stores unit files at different locations for different versions of Linux. On RHEL, it's at /usr/lib/systemd/system/, whereas on Debian-based machines it's at /lib/systemd/...
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7k views

Elasticsearch cannot open log file: Permission denied

The error I installed Elasticsearch on CentOS using rpm and am encountering this error when I try to start it via systemctl start elasticsearch: Feb 20 21:08:34 server.cberdata.org systemd[1]: ...
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How can I set the Java heap size for elasticsearch on Nixos?

It seems these should go in the ${configDir}/jvm.options"} (/var/lib/elasticsearch/config/jvm.options ?) looking at the package at https://github.com/NixOS/nixpkgs/blob/master/nixos/modules/services/...
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One port is listening with an * and the other is listening with 127.0.0.1 and only the first is accepting remote connections

Please see the attached picture below, and then I will explain: So, I have Solr running which uses port 8983. And as you can see in the screen shot, it's listed as "TCP *:8983 (LISTEN)". And, it's ...
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542 views

Can I lock down access to a TCP port in Linux

I'm trying to secure a single-node Elasticsearch machine. Basically, I want to put Elasticsearch behind a reverse proxy (nginx) and make sure that the only way any user or process can communicate with ...
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1answer
2k views

How is JVM memory usage calculated?

I am tuning my Elasticsearch cluster, and see that the memory usage doesn't line up. Running "free" on my instance: free total used free shared buff/cache ...
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493 views

problem re-loading index from filebeat in elasticsearch

I am using the ELK stack (more ELG stack as I am using Grafana as the front end instead of kibana for personal reasons). I am using Filebeat to send the logs file to Logstash which are then stored in ...
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1answer
8k views

How to give RAM to the filesystem cache

I am tuning my linux machine running Elasticsearch. It says that I should give at least half the memory of the machine running elasticsearch to the filesystem cache. But I don't know how much of it is ...
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2answers
11k views

How do i completely uninstall ELK?

I search on internet that we have to unistall each of the ELK part one by one like unistall stand-alone kibana, elastic search, and logstash. Is there any command which no need to unistall all of them ...
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241 views

Timeouts between an API and an elasticsearch server every 2 hours

We are experiencing a weird issue on our servers. (Debian 8.9) We have an API which is a PHP application. It requests an elasticsearch which instance is on a separate server. Every 2 hours, we are ...
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3k views

How to start elasticsearch on a CentOS?

I have downloaded the latest elasticsearch version 5.5.1 on my Centos 7 server from https://www.elastic.co/downloads/elasticsearch. I have unzipped the file and store it in elasticsearch directory. ...
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1answer
4k views

“unable to load jna” error on Elasticsearch on Centos

What is the solution to this? New install of elasticsearch 5.4.1 on Centos 6.8 [2017-06-15T13:54:19,140][WARN ][o.e.b.Natives ] unable to load JNA n ative support library, native methods ...
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320 views

Can not run Elasticsearch on Linux Mint 18

I installed Elasticsearch on Linux Mint without any trouble. Everything according this tutorial Easy install for elasticsearch on Ubuntu 14.04. All installation steps went well. However, when I want ...
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1answer
429 views

Kibana- Want to split vertical bars based on my log fields

I have an application log file consists of following log levels: INFO, WARN, ERROR, DEBUG. Following filter criteria works fine in logstash config file: filter { grok { match => { "...
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214 views

Send Apache Catalina Logs to Logstash

Dependencies : OS Version : CentOS 5.0 Server Environment : Production Logstash Version : 5.0 Elasticsearch Version : 5.0 I have several app servers running on CentOS 5.0. All these are on-...
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816 views

How can I create a menu item for terminal-applications starting in background mode

I want to start e.g. my ElasticSearch instance which is installed manually via one-click in the cinnamon menu. What I can do is /opt/elasticsearch-1.6.2/bin/elasticsearch & and the application is ...
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171 views

logstash - take 2 - filter to send messages from IntelMQ/python/redis to ELK

Following up on the heels of this question, https://stackoverflow.com/questions/40768603/logstash-trying-to-make-sense-of-strings-passed-by-intelmq-in-elasticsearch I am trying to create a refine/...
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1answer
244 views

Tile/Greographic Map in Kibana not working

I am trying to create a geographical map of my data in Kibana 5.01, and it does not work. The fact is that I do not even have the geoip.field that is required in the menu. I am sending data from ...
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2answers
3k views

Unable to start elasticsearch

Configuration : Elasticsearch Version = 5.0.1 OS = Amazon Linux AMI release 2014.03 I am using AWS m3.large instance. I have two elasticsearch nodes. For my data node(node-2) , When I started ...
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3answers
6k views

How to raise max threads for elasticsearch?

I have a fresh installation of Ubuntu 16.04 and I installed elasticsearch 5 on it. Now when I try to start elasticsearch using /etc/init.d/elasticsearch start After a few seconds in the log file I ...
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1answer
1k views

send json via rsyslog to elasticsearch

in our company we need aggregate services statistics for some reason we decide to use rsyslogd to send applications statistics (json format) to elasticsearch system directly (this tutorial). but we ...
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2answers
283 views

Malicious processes open connections to China

I recently started migrating some of my company's servers to Google's compute engine. Among other things I set up a 2-node elasticsearch cluster. Today I run top command on one of the nodes and I ...
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5k views

Able to ping my host but getting no route to host

I have a elasticsearch service running on MY_HOST_IP(10.x.x.xx) and port 9200. I am able to ping 10.x.x.xx from my VM, but when I try to connect elasticsearch it gives me : no route to host ...
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380 views

Install ELK in centos

I install ELK on centos following below link. https://www.digitalocean.com/community/tutorials/how-to-install-elasticsearch-1-7-logstash-1-5-and-kibana-4-1-elk-stack-on-centos-7 But the problem ...
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1answer
881 views

authenticating ldap users with searchguard for elasticsearch

I have an elastic-search setup with search-guard plug-in. My elastic-search web access is behind single sign on proxy , and i want to authenticated users coming through SSO according to their roles in ...
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1answer
1k views

Opposite behavior of keepalive (nginx reverse proxy on ElasticSearch)

I am setting up a nginx reverse proxy for ElasticSearch (with HTTP Basic Auth) as described in this article. This is my nginx config file: events { worker_connections 1024; } http { ...
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1answer
837 views

Is it possible to monitor JVM usage of Elasticsearch via Munin?

I'd like to use Munin to monitor the status of the JVM used by Elasticsearch, which is run via Java (output of ps follows): elastic+ 1083 1 3 09:29 ? 00:13:23 /usr/bin/java -Xms8g -Xmx8g ...
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1answer
279 views

Munin plugins for Elasticsearch v2.x

Are there any Munin plugins available for Elasticsearch v2.x? I know that there are some for v1.x but these are not compatible with v2.x.
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508 views

How to enable kibana at startup

I just downloaded kibana-4.3 tar file , extract it and it works fine. But i want to enable the service at system startup and i got the error by using chkconfig command: service kibana does not ...
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1answer
12k views

ElasticSearch ports in iptables

I have setup an elastic-search cluster with two data nodes, one master node and one client node with kibana. I was running it with iptables disabled on each node. Now I need to enable iptables and I ...