# Prerequisites

### Prerequisites to Install CISO Assistant On-Premises

1. **Hardware Requirements:**
   1. CPU:  4 cores 
   2. RAM: Minimum 8 GB 
   3. Storage: Minimum 10 GB (consider more for evidences)<br>

You can start with lower specs of course for testing.

1. **Software Requirements:**
   1. Ubuntu/Debian, CentOS, RHEL: LTS versions recommended when applicable\*
   2. Docker 27 or up, with Docker compose, **or** Kubernetes Cluster 1.31 or up
   3. Postgres 16 or up if you are choosing this variant
   4. Any SMTP compatible Mailer

\*most Linux distributions supporting Docker should be compatible but have not been tested. Some distributions are not using the official repositories so make sure to follow the instructions from docker page.


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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://intuitem.gitbook.io/ciso-assistant/deployment/prerequisites.md?ask=<question>
```

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.