Category Archives: Elasticsearch

How do I find ElasticSearch path to install plugins?

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This is for new ElasticSearch user.

If you have installed elastic search and unable to install plugins, here are the easy steps.

1. Type this command

$ curl "localhost:9200/_nodes/settings?pretty=true"

elasticsearch-plugin

Locate your home directory ( Look for Settings -> Path -> Home for value )
2. Go to Location (Example on the picture above)

 cd /opt/kibana/esvm/dev/branch-2.3" 

Install Plugin (Example plugin: mobz/elasticsearch-head)

 sudo bin/plugin install mobz/elasticsearch-head

If you are using old elasticSearch use "-install" instead of just install

I have ES 2.1.0 and the command is : sudo bin/plugin install mobz/elasticsearch-head  for me

How to test –

Open this URL

http://localhost:9200/_plugin/head/

If you see this, your plugin is working.
phpmind-elasticsearch-head-plugin

similarly, you can install other plugins –

sudo bin/plugin install https://github.com/AIsaac08/bigdesk/archive/master.zip

Command which is given in the site is not working on 29th of Nov 2015

About BigDesk Plugin phpmind-elasticsearch-bigdesk-plugin

How to test – http://localhost:9200/_plugin/bigdesk/

phpmind-elasticsearch-bigdesk-plugin-test

kopf is a simple web administration tool for elasticsearch written in JavaScript + AngularJS + jQuery + Twitter bootstrap

How to install –

<pre>sudo bin/plugin install https://github.com/lukas-vlcek/bigdesk/archive/master.zip</pre>

phpmind-elasticsearch-kopf-plugin

 

How to test –  http://localhost:9200/_plugin/kopf

phpmind-elasticsearch-kopf-plugin-test

About  koph 

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How to access external data from Kibana Plugin?

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phpmind-kibana-image

To make AJAX call from Kibana Visualization to external web service.

 $.ajax({
     type: "GET",
     url: 'http://localhost/es',
     headers: {'Content-Type':'application/x-www-form-urlencoded'},
     success: function(my_result) {
          console.log(my_result);
     },
     error: function() {
          alert("error1");
     },
});

There are two separate headers that are necessary here: access-control-allow-origin and access-control-allow-headers. You’re currently setting access-control-allow-origin but I don’t see anywhere you’re setting access-control-allow-headers.
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How to uninstall Elasticsearch and Kibana

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phpmind-kibana

(1) Remove previous versions of ElasticSearch:

sudo apt-get --purge autoremove elasticsearch

(2) Remove the ElasticSearch directories:

sudo rm -rf /var/lib/elasticsearch/
sudo rm -rf /etc/elasticsearch

(3) Install ElasticSearch 1.6:

sudo dpkg -i elasticsearch-1.6.0.deb

(4) Start the service:

sudo service elasticsearch start

(5) Test if it works:

sudo service elasticsearch status
curl -XGET "http://localhost:9200/_cluster/health?pretty=true"
curl "localhost:9200/_nodes/settings?pretty=true"

 

Remove Kibana

Things you can use to resolve this situation:

  1. reinstalling and then removing 
    sudo apt-get install --reinstall kibana
sudo apt-get remove kibana
  2. single remove without purge 
    sudo apt-get remove kibana
  3. force installing and removing 
    sudo apt-get -f install
sudo apt-get remove --purge kibana
  4. force removing by dpkg 
    sudo dpkg -r --force kibana

How do I determine the total size of a directory (folder) from the command line?

The command du “summarizes disk usage of each FILE, recursively for directories,” e.g.,

du -hs /path/to/directory

How to find the path of the local git repository when I am possibly in a sub-directory?

git rev-parse --show-toplevel

How do I remove a folder?

Be sure the folder is really empty (hidden files/folders might be in there). Look at the file contents again with

sudo ls -lha /path/

If you’re absolutely certain that it doesn’t contain anything you want to have (including subdirectories), delete it with

sudo rm -r -f /path/

The -r makes it delete the folder (and subfolders), even if it is non-empty, -f is for force (this might be unnecessary).

How to know elastic search installed version from kibana?

/opt/kibana/bin/kibana --version

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