> 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/logging.md).

# Logging

![Fig. 1: Menu item for logging](/files/LdmUI3NMROjhfpQHbpOe)

{% hint style="info" %}
These settings are only visible in expert mode.
{% endhint %}

{% 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 %}

### 2 Copy

Copies the system log to the clipboard.

### 3 Logging level

Different levels of logging. There are five different levels.

* Silent
* Error
* Warn: Errors and warning messages
* Info: Errors, warnings, and information messages
* Errors, warnings, information messages, and debug information

### 4 Log lines

The number of log lines.

## FFmpeg

### 5 Log lines

Number of most recent log lines to keep for each process.

### 6 Log history

Number of most recent log lines to keep for each process.+

## Learn more

{% content-ref url="/pages/-MXb\_BFQq0tV8S0Onai7" %}
[Installing](/restreamer/installing/minimum-requirements.md)
{% endcontent-ref %}

{% content-ref url="/pages/5UuleQZ0OaxSy9HgMewO" %}
[What are environment variables?](/restreamer/knowledge-base/faq/what-are-environment-variables.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MYd\_eWFK56LZQkA-iAN" %}
[User Guides](/restreamer/knowledge-base/user-guides.md)
{% endcontent-ref %}