[Support] d8sychain - Elasticsearch

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This Elasticsearch docker version is built from the official Elasticsearch docker with minimal changes tailoring it for easier use on Unraid and

for the purpose for use with Nextcloud.


*Minimal support will be provided for this docker.

99% of this docker is based from the Elasticsearch official docker https://hub.docker.com/_/elasticsearch with very minimal charges made.

Example of provided support:

  1. Requesting that the base image get bumped to a newer version of Elasticsearch and tested before releasing
  2. Help with installation incase something in the directions are not clearly understood.



Directions below MUST be used in order to get Elasticsearch 5 and above working correctly.


1. Install CA User Scripts

2. Create a new script named vm.max_map_count

3. Contents of script as follows:


sysctl -w vm.max_map_count=262144

4. Set script schedule to At Startup of Array.

5. Add the docker container.


If you are using this for Nextcloud then continue...

The ingest-attachment plugin is added by default at the 1st start of the container


6. Browse to the Admin UI in Nextcloud and config according https://github.com/nextcloud/fulltextsearch/wiki/Basic-Installation.

7. Browse to the Unraid docker tab, click the nextcloud docker icon then Console or Open a SSH Terminal (like PuTTY) and login in to your Unraid server and bash into the container docker exec -it nextcloud /bin/bash.

If you are using linuxserver.io's Nextcloud docker the user is abc otherwise the default is www-data and the path to occ is /config/www/nextcloud/

8. Enter:

nextcloud default 

sudo -u www-data php <path/to/nextcloud install>/occ fulltextsearch:index

linuxserver.io nextcloud docker 

sudo -u abc php /config/www/nextcloud/occ fulltextsearch:index

9. And wait... This can take a while depending on the number of files in your nextcloud server.


The following is an excerpt from https://github.com/nextcloud/fulltextsearch/wiki/Commands


This is the main command of the app, which is used to index your content. You will need to use this command to index your files at least once.

To start your first index:

./occ fulltextsearch:index

Options can be pushed using JSON:

user/users: user/array of users that will be indexed.

provider/providers: provider/array of providers that will be used to retrieve content of the Nextcloud.

path: location, can be a file or a folder. Used by the Files content provider only. Limit the index to the files from this location. If the file or folder does not exist, the index will be over.

paused: true/false. If set to true, index will start paused.

errors: reset Reset the errors

./occ fulltextsearch:index "{\"user\": \"cult\", \"providers\":[\"files\", \"test\"]}"


Adding and removing plugins

In the docker volume host path, the default is


contains file my-plugins.txt

Edit this file, adding and/or removing needed plugins, and then restart the container.

A built-in script will check this file at container start and compare it to the currently installed plugins and install and/or remove plugins accordingly.

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