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Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallCrashes, No Sound, or Screen Glitches?
Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minuteYou can stream a video file to YouTube from a Hetzner VPS by installing FFmpeg, copying the RTMPS ingest URL and stream key from YouTube Live Control Room, and sending a real-time-paced FFmpeg output to that destination. First confirm whether your source can be passed through unchanged or needs encoding; that choice affects the command, CPU load, and settings you must monitor.
What you need before you start
- A Hetzner Cloud server with a public Primary IP and an operating system such as Ubuntu.
- SSH access, preferably configured with an SSH key, plus a firewall that preserves your administration access.
- A video file accessible to the server and an FFmpeg build with the required input, output, protocol, and encoder support.
- A YouTube live event and its ingest URL and stream key from Live Control Room.
This workflow sends prerecorded media as a live stream. It does not turn a VPS into a camera encoder. The server type needed depends on the source and whether you transcode; no specific Hetzner instance size is established for every workload.
Create and secure the Hetzner server
- In Hetzner Console, create a Cloud server and choose its location, image, and server type. Ubuntu is available as an image. Select a public Primary IP so the server has a public network interface. Server types and prices vary; check the current console details before provisioning.
- Set up SSH access using a key. Configure a Cloud Firewall to permit SSH from your trusted address where practical. Hetzner says unspecified inbound traffic is blocked by default; do not change rules until you have ensured that your SSH access will remain available.
- Ensure the server can make outbound connections to YouTube’s ingest endpoint. Hetzner says outbound traffic is permitted by default when no outbound firewall rules are configured; custom rules may change that behavior.
Hetzner’s documentation covers Cloud servers and Cloud Firewalls.
Install FFmpeg and check the build
Install FFmpeg using the package method supported by your chosen Linux image, or use a build that includes the components your workflow requires. Do not assume that every distribution package includes the same encoders: in particular, verify that libx264 is available if you plan to encode H.264 with it.
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ffmpeg -version
ffmpeg -encodersCheck the output for the encoder you intend to use and confirm that the build supports the needed input and RTMPS output. Available codecs depend on build options. If an encoder is missing, install a suitable build before proceeding rather than discovering the problem when the stream is due to start.
Choose stream copy or transcoding
Stream copy
Stream copy sends compatible encoded audio and video without re-encoding. It can reduce CPU demand and avoids changing the source’s encoding, but it gives you less control over output parameters. Use it only after confirming the codecs and media format are suitable for the YouTube live output you intend to send.
Transcoding
Transcoding decodes and re-encodes the media, letting you set output codec, bitrate, and other parameters. It requires more CPU than stream copy, and the VPS capacity needed depends on the codec, resolution, frame rate, and workload. The example below uses H.264 with libx264; it is an illustrative profile, not a universal recommendation or a guarantee that a particular server can sustain it.
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Before choosing either path, check that the file contains the audio and video streams you expect and that the server can read it. Upload the media to the VPS or fetch it from a location you control.
Get the YouTube ingest URL and key
- Create or schedule the live event in YouTube Live Control Room.
- Copy the stream URL and stream key shown for that event.
- Use RTMPS when it is available. YouTube describes RTMPS as RTMP over TLS/SSL encryption and recommends streaming to YouTube Live with RTMPS. See YouTube’s RTMPS guidance.
- Keep the stream key private. Do not publish it in a public script, repository, screenshot, or article. Use the exact ingest URL shown in Live Control Room; the endpoint form can vary.
Set output parameters and start FFmpeg
YouTube’s encoder guidance lists RTMP/RTMPS, H.264, H.265/HEVC, and AV1; supports up to 60 fps; recommends constant bitrate (CBR); and recommends a two-second keyframe interval, not exceeding four seconds. For H.264, its recommended bitrate table lists 10 Mbps for 1080p30 and 12 Mbps for 1080p60. These are YouTube recommendations, not measurements of a Hetzner server or its network. Select a profile appropriate to your source and available throughput, and test before relying on the stream.
The following command shows one possible H.264/AAC transcode. Replace the input path and the destination with the exact RTMPS URL and key from Live Control Room. Never put a real key into public copy.
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ffmpeg -re -i /path/to/input.mp4
-c:v libx264 -preset veryfast -b:v 6000k -maxrate 6000k -bufsize 12000k
-g 60 -c:a aac -b:a 128k
-f flv 'rtmps://INGEST_HOST/APP/STREAM_KEY'-re paces file input in real time. The video settings request H.264 encoding with a 6000 kbps target and maximum rate, while -g 60 requests a 60-frame GOP. At 30 fps, that is a two-second GOP; at a different frame rate, the interval changes. Adjust bitrate and GOP to match the output frame rate and YouTube’s current requirements. The sample bitrate is not one of the cited 1080p recommendations, and should not be treated as an appropriate setting for every resolution or frame rate.
For a compatible pre-encoded source, a stream-copy form is:
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
ffmpeg -re -i /path/to/input.mp4 -c copy -f flv 'rtmps://INGEST_HOST/APP/STREAM_KEY'That form does not convert the source codecs or adjust its encoding. Confirm compatibility before using it. FFmpeg documents RTMPS among its RTMP protocols and describes sending with the RTMP/FLV pattern in its protocol documentation. The installed build must support the destination protocol and TLS; verify its support and the exact URL rather than assuming every build behaves identically.
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Validate the stream before leaving it unattended
- Start FFmpeg and inspect its terminal output for input, encoder, connection, and output errors.
- Open the event’s preview in YouTube Live Control Room. Confirm that video appears, audio is present, motion looks right, and YouTube’s stream-health messages do not show a problem.
- Check the VPS’s CPU use and network throughput during the actual workload. Watch for dropped frames or an unstable connection; do not infer that a server is adequate from a successful connection alone.
- Test the complete source and intended stream duration before an event or unattended run. YouTube advises testing and choosing a quality that is reliable for the available connection.
Keep a tested stream running reliably
Once the command works interactively, you can make it persistent with a systemd service, a restart policy, log management, and—if appropriate—a watchdog. These are implementation choices, not guarantees that a stream will recover correctly. Test behavior for the actual media and YouTube event lifecycle, and ensure logs do not expose the stream key. A process restart cannot fix an invalid key, incompatible source, insufficient CPU, or blocked network path.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Troubleshooting common failures
| Symptom | Likely cause | What to check |
|---|---|---|
FFmpeg reports an unknown encoder such as libx264. |
The installed build does not include that encoder. | Inspect ffmpeg -encoders and install a build with the required encoder, or choose an available supported encoding path. |
| Connection fails or TLS/protocol errors appear. | Wrong ingest URL or key, unsupported RTMPS/TLS in the build, or outbound traffic blocked by custom firewall rules. | Copy the current URL and key from Live Control Room, check the installed build’s protocol support, and review outbound firewall rules. |
| YouTube connects but reports poor stream health or dropped frames. | Output bitrate may exceed reliable throughput, or the VPS may be under load. | Compare the configured bitrate with available throughput, inspect CPU use and FFmpeg output, and test a lower output profile if needed. |
| Video arrives but audio is missing or wrong. | The input may lack the expected audio stream, or the selected audio handling may not match the source. | Check the input streams and FFmpeg mapping/output behavior; confirm audio in YouTube’s preview. |
| Stream copy fails or the result is rejected or unsuitable. | The source codecs or format are not compatible with the intended output. | Verify source streams and compatibility; transcode to a supported output profile if necessary. |
| The process stops after a disconnect or server restart. | The command was run only in an interactive session, or persistence/recovery behavior was not configured. | Use a tested service and restart strategy, review logs, and verify that the event and key remain valid. A restart policy alone does not resolve configuration or capacity problems. |
Budget for the server and outgoing traffic
Check the current Hetzner console pricing for the server, public IP, and outgoing transfer before deployment. Hetzner’s server documentation notes that server plan prices exclude public IPs, and its billing documentation says servers continue to be billed while they exist, even when powered off. It also documents billing for outgoing traffic. Current plan prices and transfer allowances can vary, so do not treat a powered-off VM as a way to stop its charges; delete it when you no longer need it and have preserved anything you need.
There is no universal server-size recommendation here: stream copy and transcoding have different CPU demands, and transcoding load varies with codec, resolution, and frame rate. If you try a modest plan, treat it as a trial, monitor CPU, dropped frames, and throughput under the real workload, and resize based on what you observe. See Hetzner Cloud billing information.
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Or let it run in the cloud
If you want continuous YouTube playback without maintaining an FFmpeg process or VPS, StreamNeo is a managed option: upload a recording or build a playlist, add your YouTube stream key, and go live. It loops uploaded videos from the cloud; your computer and home connection do not have to stay on. StreamNeo is for YouTube streams, not camera broadcasts or other platforms.
- One flat price per slot for any uploaded quality up to 4K 60fps, with no re-encode or quality tiers.
- Automatic recovery if YouTube drops the stream.
- The first day is free with no card required.
- The Monthly price is $9.99 per month; billing options also include a day, a week, 6 months, or a year, and you can cancel any time.
See StreamNeo for details, or start the free first day.
Quick Recap
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