Elasticsearch

Elasticsearch search engine commands and queries

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Resources

Master Elasticsearch

Become proficient in Elasticsearch search engine

elasticsearch

Check Cluster Health

Get overall Elasticsearch cluster health

curl -X GET 'http://localhost:9200/_cluster/health?pretty'

elasticsearch

cluster

health

elasticsearch

Cluster Stats

View cluster-wide statistics

curl -X GET 'http://localhost:9200/_cluster/stats?pretty'

elasticsearch

stats

elasticsearch

Node Stats

Get stats for all nodes

curl -X GET 'http://localhost:9200/_nodes/stats?pretty'

elasticsearch

node

stats

elasticsearch

List Indices

List all indices with details

curl -X GET 'http://localhost:9200/_cat/indices?v'

elasticsearch

indices

list

elasticsearch

Create Index

Create a new index

curl -X PUT 'http://localhost:9200/my_index?pretty'

elasticsearch

index

create

elasticsearch

Delete Index

Delete an index

curl -X DELETE 'http://localhost:9200/my_index?pretty'

elasticsearch

index

delete

elasticsearch

Index Document

Insert document into index

curl -X POST 'http://localhost:9200/my_index/_doc/1?pretty' -H 'Content-Type: application/json' -d '{"name":"John"}'

elasticsearch

document

insert

elasticsearch

Get Document

Retrieve document by ID

curl -X GET 'http://localhost:9200/my_index/_doc/1?pretty'

elasticsearch

document

get

elasticsearch

Update Document

Update an existing document

curl -X POST 'http://localhost:9200/my_index/_update/1?pretty' -H 'Content-Type: application/json' -d '{"doc":{"name":"Jane"}}'

elasticsearch

document

update

elasticsearch

Delete Document

Delete a document by ID

curl -X DELETE 'http://localhost:9200/my_index/_doc/1?pretty'

elasticsearch

document

delete

elasticsearch

Search Index

Search documents in an index

curl -X GET 'http://localhost:9200/my_index/_search?q=name:John&pretty'

elasticsearch

query

elasticsearch

Search with Body

Perform advanced search with JSON body

curl -X GET 'http://localhost:9200/my_index/_search?pretty' -H 'Content-Type: application/json' -d '{"query":{"match":{"name":"John"}}}'

elasticsearch

json

elasticsearch

Reindex Data

Copy data from one index to another

curl -X POST 'http://localhost:9200/_reindex?pretty' -H 'Content-Type: application/json' -d '{"source":{"index":"old_index"},"dest":{"index":"new_index"}}'

elasticsearch

reindex

elasticsearch

Manage Aliases

Add alias to index

curl -X POST 'http://localhost:9200/_aliases?pretty' -H 'Content-Type: application/json' -d '{"actions":[{"add":{"index":"my_index","alias":"current"}}]}'

elasticsearch

alias

elasticsearch

Create Snapshot

Take snapshot of indices

curl -X PUT 'http://localhost:9200/_snapshot/my_backup/snapshot_1?wait_for_completion=true&pretty'

elasticsearch

snapshot

backup

elasticsearch

Restore Snapshot

Restore index from snapshot

curl -X POST 'http://localhost:9200/_snapshot/my_backup/snapshot_1/_restore?pretty'

elasticsearch

snapshot

restore

elasticsearch

Analyze Text

Run analyzer on text

curl -X GET 'http://localhost:9200/_analyze?pretty' -H 'Content-Type: application/json' -d '{"text":"Elasticsearch is awesome"}'

elasticsearch

analyze

text

elasticsearch

Generate Certificates

Generate certificates for security

elasticsearch-certutil cert --ca elastic-stack-ca.p12

elasticsearch

security

cert

elasticsearch

Manage Keystore

Create Elasticsearch keystore

elasticsearch-keystore create

elasticsearch

security

keystore

elasticsearch

Setup Built-in User Passwords

Set passwords for built-in users

elasticsearch-setup-passwords interactive

elasticsearch

security

passwords

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