The following table represents a list of user accounts Squirro creates at installation time.
User Name | Primary Group | Description | Related Services |
---|---|---|---|
elasticsearch | elasticsearch | Main data storage for indexed data. | elasticsearch |
mysql | mysql | MySQL database used for metadata storage. To investigate this metadata, MySQL can be accessed directly. | mysql |
nginx | nginx | Manages nginx web server | nginx |
redis | redis | NoSQL database used for caching. | redis-server, redis-server-cache |
sqclustr | squirro | Controls multi-cluster setup of squirro | sqclusterd |
sqconfig | squirro | Manages application configuration. | sqconfigurationd |
sqcontnt | squirro | Responsible for extracting relevant content from web pages. See Noise Removal in the Data Loading and Processing manual. | sqcontentd |
sqdatasource | squirro | Manages dataloading process | sqdatasourced |
sqeauth | squirro | Responsible for managing authentication | squserd |
sqemails | squirro | Responsible for sending out emails on behalf of Squirro(how is it different from sqmailer?) | sqemailsenderd |
sqfilter | squirro | Handles search tagging rules.See Search Tagging in the Data Loading and Processing manual. | sqfilteingrd |
sqfinger | squirro | Manages the fingerprints (Smart Filters). | sqfingerprintd |
sqfront | squirro | Manages frontend servcice, implements main web interface of Squirro. | sqfrontendd |
sqingest | squirro | Manages process for enriching and indexing data. | sqingesterd |
sqmailer | squirro | Used for preparing the email digest | sqdigestmailerd |
sqplumbr | squirro | Responsible for executing pipelets as part of the pipeline. See Pipelets in the Data Loading and Processing manual. | sqplumberd |
sqprovid | squirro | Manages endpoints for the providers that import data into the system. See Providers in the Data Loading and Processing manual. | sqproviderd |
sqptopic | squirro | Manages the Squirro API. See Working with Squirro APIs in the API Reference. | sqtopicd |
sqrstory | squirro | Detects near-duplicates as part of the pipeline. See Near-Duplicate Detection in the Data Loading and Processing manual. | sqrelatedstoryd |
sqsched | squirro | Responsbile for executing scheduled jobs that the Squirro application needs to run | sqschedulerd |
sqthumb | squirro | Calculates thumbnails for item images that are displayed in Squirro. | sqthumblerd |
sqtproxy | squirro | Manages the wev service access to some porject metadata | sqtopicproxyd |
sqtrends | squirro | Manages the trend detection surive to analyse trends in time-series data. For more info see Trend Detection | sqtrendsd |
squproxy | squirro | Responsbile for manages the web service which gives access to some user data. | squserproxyd |
squser | squirro | Endpoint for user management and authentication. See Authentication in the Reference manual. | squserd |
sqwebsht | squirro | Analyzes web stories and identifies the most relevant image to use for visualization. | sqwebshotd |
zkeeper | zkeeper | Responsible for cluster coordination services | zookeeper |