> For the complete documentation index, see [llms.txt](https://help.screena.ai/resources/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.screena.ai/resources/how-to/start-screena-portal/starting-screena-application.md).

# Starting Screena application

{% hint style="info" %}
Please follow the steps to restart Screena Portal in this order:

1. [Starting PostgreSQL database](/resources/how-to/start-screena-portal/starting-postgresql-database.md)
2. [Starting Apache HTTP server](/resources/how-to/start-screena-portal/starting-apache-http-server.md)
3. [**Starting Screena application** ](/resources/how-to/start-screena-portal/starting-screena-application.md)**(you are here)**
   {% endhint %}

Enter this command to check if Screena application is running:

```shell
/opt/request/startScreena.sh status
```

* If you get `Screena is stopped` as a response, then use [Start command](/resources/how-to/start-screena-portal/starting-screena-application/start-command.md) to start Screena application.
* If you get `Screena (pid) is running` as a response, then use [Restart command](/resources/how-to/start-screena-portal/starting-screena-application/restart-command.md) to restart Screena application.

{% hint style="info" %}
If you need to stop Screena, use [Stop command](/resources/how-to/start-screena-portal/starting-screena-application/stop-command.md).
{% endhint %}


---

# Agent Instructions
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## Querying This Documentation
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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
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