# Knowledge Base

- [Manual](/restreamer/knowledge-base/manual.md)
- [Login](/restreamer/knowledge-base/manual/login.md): To set up your Restreamer, you need to open the graphical user interface in a browser and log in with your credentials.
- [Main screen](/restreamer/knowledge-base/manual/main-screen.md): After logging in with your credentials, the home page appears on the main screen.
- [System displays](/restreamer/knowledge-base/manual/system-displays.md): The Restreamer provides comprehensive system monitoring.
- [Wizard](/restreamer/knowledge-base/manual/wizard.md): 🪄 The wizard helps with the initial setup and configuration of the video sources in the datarhei Restreamer. All settings can be edited at any time afterward on the grounds of the live stream.
- [System settings](/restreamer/knowledge-base/manual/system-settings.md): You can edit system settings in this area.
- [General system settings](/restreamer/knowledge-base/manual/system-settings/general-system-settings.md): Check and control all device settings.
- [Service](/restreamer/knowledge-base/manual/system-settings/service.md): Register your datarhei Core at datarhei Service for free.
- [Network](/restreamer/knowledge-base/manual/system-settings/network.md): Configure basics for a functioning network.
- [Authorization](/restreamer/knowledge-base/manual/system-settings/authorization.md): Check the credentials for the administrator and in the expert mode for IP addresses.
- [Playback](/restreamer/knowledge-base/manual/system-settings/playback.md): Control area for the compilation of statistics of the users.
- [Disk space](/restreamer/knowledge-base/manual/system-settings/disk-space.md): You can control the saving of videos in this section.
- [RTMP](/restreamer/knowledge-base/manual/system-settings/rtmp.md): Configuration settings for the internal RTMP server.
- [SRT](/restreamer/knowledge-base/manual/system-settings/srt.md): Secure Reliable Transport (SRT) is an open-source video transport protocol that utilises the UDP transport protocol.
- [Logging](/restreamer/knowledge-base/manual/system-settings/logging.md): The log file can assist in targeted troubleshooting.
- [Publication Website](/restreamer/knowledge-base/manual/publication-website.md): datarhei Restreamer provides a ready-made website for easy and quick presentation of the live stream. The publication website is equipped with a video player and ready to go.
- [General settings](/restreamer/knowledge-base/manual/publication-website/general-settings.md): Besides the player, the Restreamer offers a complete publication website, for easy and quick presentation of the live stream.
- [Template](/restreamer/knowledge-base/manual/publication-website/template.md): Design of the publication website with various modules.
- [Design](/restreamer/knowledge-base/manual/publication-website/design.md): Customize colors and background of the publication website.
- [Notes](/restreamer/knowledge-base/manual/publication-website/notes.md): Customize imprint and terms of use in the footer of the publication website.
- [Code injection](/restreamer/knowledge-base/manual/publication-website/code-injection.md): The custom code injection helps use external widgets or styles for advanced users. You will find some example code on the help page.
- [Multi Video source](/restreamer/knowledge-base/manual/multi-video-source.md): Create, manage and delete additional video sources.
- [Publication services](/restreamer/knowledge-base/manual/publications.md): The publication service helps you send video output to a remote station. It is a virtual broadcast to deliver a live video to many or single destinations.
- [Stream settings](/restreamer/knowledge-base/manual/edit-livestream.md): Edit the audio and video sources, determine their processing, add a description, and define the desired license.
- [General stream settings](/restreamer/knowledge-base/manual/edit-livestream/general.md): Edit the audio and video sources, determine their processing, add metadata, and define the desired license.
- [Video settings](/restreamer/knowledge-base/manual/edit-livestream/general/video-settings.md)
- [Network source](/restreamer/knowledge-base/manual/edit-livestream/general/video-settings/network-source.md): Send and receive video signals from a network on the LAN or WAN.
- [Hardware device](/restreamer/knowledge-base/manual/edit-livestream/general/video-settings/hardware-device.md): Send and receive video signals from USB devices.
- [Virtual video source](/restreamer/knowledge-base/manual/edit-livestream/general/video-settings/virtual-video-source.md): With the help of the test signals, it is possible to test a transmission system, check for stability, or determine properties.
- [Frame buffer](/restreamer/knowledge-base/manual/edit-livestream/general/video-settings/frame-buffer.md): Use as screen capture monitor
- [Raspberry Pi Camera](/restreamer/knowledge-base/manual/edit-livestream/general/video-settings/raspberry-pi-camera.md)
- [Audio settings](/restreamer/knowledge-base/manual/edit-livestream/general/audio-settings.md): Edit the audio settings for the sources.
- [Network source](/restreamer/knowledge-base/manual/edit-livestream/general/audio-settings/network-source.md): Use audio signal with the video channel from the network.
- [Virtual audio source](/restreamer/knowledge-base/manual/edit-livestream/general/audio-settings/virtual-audio-source.md): The audio settings for a virtual audio source.
- [No audio](/restreamer/knowledge-base/manual/edit-livestream/general/audio-settings/no-audio.md): For livestreams without audio.
- [Processing and Control](/restreamer/knowledge-base/manual/edit-livestream/processing-and-control.md): General characteristics of the process control of the livestream.
- [Meta Information](/restreamer/knowledge-base/manual/edit-livestream/meta-information.md): A brief description should explain what the audience can expect as precisely as possible.
- [License](/restreamer/knowledge-base/manual/edit-livestream/license.md): Use the Creative Commons (CC) license for each livestream.
- [Video player settings](/restreamer/knowledge-base/manual/video-player-settings.md): The video player is part of the Publication Service for the website and the publication website.
- [System monitoring](/restreamer/knowledge-base/manual/system-monitoring.md): The system monitoring measures and observes the most critical system functions from the host system in real-time. If threshold values reach binding regions, the system warns.
- [Process report](/restreamer/knowledge-base/manual/process-report.md): In situations where something doesn't quite work as expected, we can help you troubleshoot the problem using the information from the process report.
- [Process details](/restreamer/knowledge-base/manual/process-details.md)
- [Language](/restreamer/knowledge-base/manual/language.md): The user interface is available in different languages.
- [User Guides](/restreamer/knowledge-base/user-guides.md)
- [How do I enable the RTMP server?](/restreamer/knowledge-base/user-guides/how-do-i-enable-the-rtmp-server.md): Receive and send videos with the internal RTMP server in the datarhei Restreamer. Each RTMP signal is available as output via the Publication Service for multistreaming.
- [How to use the audio filters?](/restreamer/knowledge-base/user-guides/how-to-use-the-audio-filters.md): The filters for audio software encoders are:
- [How to stream SRT from OBS?](/restreamer/knowledge-base/user-guides/how-to-stream-srt-from-obs.md): With the SRT-Server in the datarhei Restreamer streamers benefit from low latency connections with SRT. In addition, each SRT signal is available as output via the Publication Service.
- [How to use SRT for publication service](/restreamer/knowledge-base/user-guides/how-to-use-srt-for-publication-service.md): Use the option to change the protocol to SRT in the specific Publication Service.
- [How to rotate a video?](/restreamer/knowledge-base/user-guides/how-to-rotate-a-video.md): Vertical video is helpful on smartphones and vertical video platforms such as TikTok. It is encoded and transmitted for free with the datarhei Restreamer.
- [How to integrate a website](/restreamer/knowledge-base/user-guides/how-to-integrate-a-website.md): The ”Publication Website“ is the player website. You can customize the path of the web page and link any web page. To deploy a custom website at http://restreamer-url/ follow the few steps.
- [How to change the RTMP port](/restreamer/knowledge-base/user-guides/how-to-change-the-rtmp-port.md): Change the RTMP standard port 1935 to any other.
- [How to stream an H.265 IP-cam](/restreamer/knowledge-base/user-guides/how-to-stream-an-h.265-ip-cam.md): H.265 reduces traffic by about 50% compared to H.264, so in some cases, it makes sense to use H.265 to transport the video to the server.
- [Proxying](/restreamer/knowledge-base/user-guides/proxying.md): If you are already running a web server and you want Restreamer to be part of the website, you can forward requests to a specific location to your Restreamer.
- [How can I receive an HLS stream?](/restreamer/knowledge-base/user-guides/how-can-i-receive-an-hls-stream.md): If you want to stream a live stream from an external HLS video source using m3u8, use the wizard to create the video source.
- [How do I install Docker?](/restreamer/knowledge-base/user-guides/how-do-i-install-docker.md): Docker is the easiest way to use the Restreamer. That is why we recommend it.
- [How does port forwarding work for the Restreamer?](/restreamer/knowledge-base/user-guides/how-does-port-forwarding-work-for-the-restreamer.md): So that the Restreamer can be reached via the Internet.
- [How can I use HTTPS with Let's Encrypt?](/restreamer/knowledge-base/user-guides/how-can-i-use-https-with-lets-encrypt.md): Let's Encrypt is a certificate authority that offers free X.509 certificates for Transport Layer Security. These HTTPS certificates work with the datarhei Restreamer.
- [How can I receive an RTMP stream?](/restreamer/knowledge-base/user-guides/how-can-i-receive-an-rtmp-stream.md): Use the internal RTMP server as a video source.
- [How do I operate the wizard?](/restreamer/knowledge-base/user-guides/how-do-i-operate-the-wizard.md): Add and delete video sources.
- [How can I stream to Facebook Live?](/restreamer/knowledge-base/user-guides/how-can-i-stream-to-facebook-live.md): Any video source can be sent to Facebook with the Restreamer and posted there as a live event with a few clicks.
- [How can I use YouTube with the Restreamer?](/restreamer/knowledge-base/user-guides/how-can-i-use-youtube-with-the-restreamer.md): With just a few clicks, any video source can be sent to YouTube via the Restreamer's Publication Service for use as a live stream.
- [How can I change the password of the Restreamer?](/restreamer/knowledge-base/user-guides/how-can-i-change-the-password-of-the-restreamer.md): You could always change the username and password for the datarhei Restreamer.
- [How can I use the landing page?](/restreamer/knowledge-base/user-guides/how-can-i-use-the-landing-page.md)
- [How can I display a live stream on my website?](/restreamer/knowledge-base/user-guides/how-can-i-display-a-live-stream-on-my-website.md): The Restreamer provides a video player in iFrame for embedding in HTML on web pages.
- [How do I stream an IP cam with RTSP?](/restreamer/knowledge-base/user-guides/connect-video-source.md): You can use the RTSP protocol for live streaming if you have an IP camera. RTSP stands for Real-Time Streaming Protocol.
- [How do I connect a USB camera to the Restreamer?](/restreamer/knowledge-base/user-guides/connect-usb-camera.md): We explain how to connect a USB video device to a datarhei Restreamer.
- [How do I start a GPU Encoding?](/restreamer/knowledge-base/user-guides/connect-to-youtube.md): How GPU encoding from the Raspberry Pi in the datarhei Restreamer significantly reduces CPU load.
- [How do I stream a RaspiCam?](/restreamer/knowledge-base/user-guides/how-do-i-stream-a-raspicam.md): We explain how to connect the Raspberry Pi camera module to a datarhei Restreamer.
- [How do I write a template for the publication website?](/restreamer/knowledge-base/user-guides/how-do-i-write-a-template-for-the-publication-website.md): This guide explains how you can write a template for the publication website and describes the available expressions.
- [How do I stream to HDMI?](/restreamer/knowledge-base/user-guides/how-do-i-stream-to-hdmi.md): This guide describes how to write a stream to the HDMI port.
- [FAQ](/restreamer/knowledge-base/faq.md): Here you will find answers to your questions about Restreamer. To help you find your way around, the categories are named after the menu navigation in Datarhei/Restreamer.
- [CC License](/restreamer/knowledge-base/faq/cc-license.md): The live stream of video producers is usually protected by copyright. The CC license defines how the video stream is made available to others.
- [What are environment variables?](/restreamer/knowledge-base/faq/what-are-environment-variables.md): With environment variables, you can control the default behavior of the Restreamer.
- [Troubleshooting](/restreamer/knowledge-base/troubleshooting.md)
- [Basic Troubleshooting](/restreamer/knowledge-base/troubleshooting/basic-troubleshooting.md): Most errors have only a tiny cause and are easy to fix. What you have to check first is described in this document in 3 steps.
- [Encoding compatibility list](/restreamer/knowledge-base/troubleshooting/encoding-compatibility-list.md): These encoders work well with the Restreamer.
- [Understand different error messages?](/restreamer/knowledge-base/troubleshooting/understand-different-error-messages.md)
- [Why do I see ENV and cannot select anything?](/restreamer/knowledge-base/troubleshooting/why-do-i-see-env-and-cannot-select-anything.md): In the user interface, there are always settings marked with ENV and locked for selection.
- [No video](/restreamer/knowledge-base/troubleshooting/no-video.md): The errors with the video source can be multilayered.
