> For the complete documentation index, see [llms.txt](https://docs.datarhei.com/restreamer/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.datarhei.com/restreamer/knowledge-base/manual/system-settings/general-system-settings.md).

# General system settings

## 1 General system settings

![Fig. 1: Overview of general system settings.](/files/fyUkd9uAkKFSmuaQ1C5E)

{% hint style="info" %}
Locked settings that have been set with environment variables at startup are marked with <mark style="background-color:red;">ENV</mark>. Disable or adjust environment variables unlocks the settings.
{% endhint %}

{% hint style="info" %}
The expert mode extends the configuration possibilities.
{% endhint %}

## 2 General

### Node-ID

The node ID can be used to uniquely identify the running datarhei core.

### Name

The name makes it easier for people to identify the core. In addition, it is generated automatically or can be customized.

## 3 Update

Enable automatic check for updates.

{% hint style="info" %}
Once a Core is connected to the service, the service will notify you of updates.
{% endhint %}

## 4 Expert mode

In the expert mode, you have access to all functions of datarhei Restreamer, including the export of databases or the encryption of external files. Due to the significantly extended range of functions compared to the beginner mode, the expert mode is primarily intended for users who already know the program and want its full range of functions.

## 5 Restart

Restarting the Core.

## 6 Save

Do not forget to save the settings.

## 7 Abort

Unsaved settings will be lost by aborting.

## 8 Close window

Closes the active window without saving.

## Learn more

{% content-ref url="/pages/Os2NcMmPtTG6sKqCztmb" %}
[Why do I see ENV and cannot select anything?](/restreamer/knowledge-base/troubleshooting/why-do-i-see-env-and-cannot-select-anything.md)
{% endcontent-ref %}

{% content-ref url="/pages/iY7aA2LX8Mke5qFLwsIu" %}
[Troubleshooting](/restreamer/knowledge-base/troubleshooting.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MXbmjmbPCKFuoZ5JEAU" %}
[Quick Start](/restreamer/getting-started/quick-start.md)
{% endcontent-ref %}