# implementation - [Platform Usage](https://docs.datasentinel.io/manual/implementation/platform-usage.md) - [Configuration](https://docs.datasentinel.io/manual/implementation/platform-usage/configuration.md) - [License](https://docs.datasentinel.io/manual/implementation/platform-usage/configuration/license.md): The license is provided in the form of a token with a restricted time of validity. - [LDAP](https://docs.datasentinel.io/manual/implementation/platform-usage/configuration/ldap.md): Datasentinel seamlessly integrates with LDAP for user authentication. - [SMTP](https://docs.datasentinel.io/manual/implementation/platform-usage/configuration/smtp.md): SMTP (Simple Mail Transfer Protocol) is required for sending email notifications and workload reports. It ensures reliable delivery of messages, enabling real-time alerts and efficient report sharing - [Audit](https://docs.datasentinel.io/manual/implementation/platform-usage/configuration/audit.md): Datasentinel can audit the actions performed by your declared users on the platform. - [Default RBAC Behavior](https://docs.datasentinel.io/manual/implementation/platform-usage/configuration/default-rbac-behavior.md) - [Users & Roles](https://docs.datasentinel.io/manual/implementation/platform-usage/configuration/users-and-roles.md): Datasentinel employs a multi-layered approach to secure user access to its platform and control who can access monitored PostgreSQL instances. - [Backend](https://docs.datasentinel.io/manual/implementation/platform-usage/configuration/backend.md) - [API Reference](https://docs.datasentinel.io/manual/implementation/platform-usage/api-reference.md) - [Access Token](https://docs.datasentinel.io/manual/implementation/platform-usage/api-reference/access-token.md): To enable interaction with the Platform API, it is necessary to generate an access token.This access token is subsequently used when making calls to the API. - [Connection](https://docs.datasentinel.io/manual/implementation/platform-usage/api-reference/connection.md): The Connection API is available solely through an on-premises installation and is reliant on the decision to use the Agentless feature. - [Role](https://docs.datasentinel.io/manual/implementation/platform-usage/api-reference/role.md) - [User](https://docs.datasentinel.io/manual/implementation/platform-usage/api-reference/user.md) - [Reporting](https://docs.datasentinel.io/manual/implementation/platform-usage/api-reference/reporting.md) - [Workload](https://docs.datasentinel.io/manual/implementation/platform-usage/api-reference/workload.md): The Workload API provides you with the option to download comprehensive metrics in either JSON or CSV format. - [Alerting](https://docs.datasentinel.io/manual/implementation/platform-usage/api-reference/alerting.md) - [Tooling](https://docs.datasentinel.io/manual/implementation/platform-usage/tooling.md): Datasentinel provides tooling to help you troubleshoot problems or gather information about system configurations. - [Log Files](https://docs.datasentinel.io/manual/implementation/platform-usage/log-files.md): Datasentinel generates logs, which are located in the /datasentinel/log directory, except for the NGINX log file. - [Agent Usage](https://docs.datasentinel.io/manual/implementation/agent-usage.md) - [Release Notes](https://docs.datasentinel.io/manual/implementation/agent-usage/release-notes.md): All releases are cumulative. Upgrading to the latest version includes all previous changes, so it's sufficient to install or run only the most recent release—even when replacing an old version. - [CLI](https://docs.datasentinel.io/manual/implementation/agent-usage/cli.md): The agent offers a CLI for conveniently modifying attributes and connections. - [API Reference](https://docs.datasentinel.io/manual/implementation/agent-usage/api-reference.md): The agent's setup is adjustable using direct API invocations, facilitating interactive information retrieval and interaction. - [Collection Level](https://docs.datasentinel.io/manual/implementation/agent-usage/collection-level.md): The Agent version 3.2, which was released in February 2023, introduces the Collection Level feature allowing you to choose the metrics to monitor. - [Internals](https://docs.datasentinel.io/manual/implementation/agent-usage/internals.md) - [Upgrade](https://docs.datasentinel.io/manual/implementation/upgrade.md) - [Platform](https://docs.datasentinel.io/manual/implementation/upgrade/platform.md): Procedure to upgrade your on-premises platform. - [Agent](https://docs.datasentinel.io/manual/implementation/upgrade/agent.md): Upgrading an agent involves completely replacing the old version with the new version. - [Troubleshooting](https://docs.datasentinel.io/manual/implementation/troubleshooting.md) - [Platform Diagnostics Tools](https://docs.datasentinel.io/manual/implementation/troubleshooting/platform-diagnostics-tools.md): Starting with version 2025.11, two new diagnostic scripts are available to help identify issues and assist the support team. - [Unexpected Agent Termination](https://docs.datasentinel.io/manual/implementation/troubleshooting/unexpected-agent-termination.md): In some cases, the Agent may stop running without any visible error or warning. - [Error message: “502 Bad Gateway”](https://docs.datasentinel.io/manual/implementation/troubleshooting/error-message-502-bad-gateway.md) - [The UI is not displaying any metrics for my new instance.](https://docs.datasentinel.io/manual/implementation/troubleshooting/the-ui-is-not-displaying-any-metrics-for-my-new-instance..md) - [UI dashboard is encountering loading errors](https://docs.datasentinel.io/manual/implementation/troubleshooting/ui-dashboard-is-encountering-loading-errors.md) - [InfluxDB](https://docs.datasentinel.io/manual/implementation/troubleshooting/influxdb.md): InfluxDB is an open-source time series database used by Datasentinel to store collected metrics and manage data retention. - [SELinux](https://docs.datasentinel.io/manual/implementation/troubleshooting/selinux.md): Security-Enhanced Linux (SELinux) is a Linux kernel security module that provides a mechanism for supporting access control security policies, including mandatory access controls (MAC). - [NGINX](https://docs.datasentinel.io/manual/implementation/troubleshooting/nginx.md): NGINX sits at the edge of a Datasentinel deployment and acts as a reverse proxy. All inbound HTTPS traffic terminates at NGINX before being forwarded to the internal Datasentinel services. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.datasentinel.io/manual/implementation.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.