curl -XDELETE ‘http://localhost:9200/*’

 #delete index: 

curl -XDELETE ‘localhost:9200/index_name’ 

#delete all indices: 

 curl -XDELETE ‘localhost:9200/_all’ 

#delete document : 

 curl -XDELETE ‘localhost:9200/index_name/type_name/document_id’

sudo service elasticsearch status

curl -XGET “http://localhost:9200/_cluster/health?pretty=true”

curl “localhost:9200/_nodes/settings?pretty=true”

Elastic Ubuntu remove 

sudo apt-get –purge autoremove elasticsearch

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

Remove Kibana

sudo apt-get install –reinstall kibana
sudo apt-get remove kibana

– single remove without purge

sudo apt-get remove kibana

force installing and removing
sudo apt-get -f install
sudo apt-get remove –purge kibana

force removing by dpkg

sudo dpkg -r –force kibana

uzak sunucuya erişim yapılmazsa

nano /etc/elasticsearch/elasticsearch.yml

Starting with ES 2.0, the elasticsearch process only binds to localhost, which explains why you can query ES from inside but not from the outside.

You need to change the following setting in your elasticsearch.yml configuration file:

network.host: 0.0.0.0

sudo service elasticsearch restart