Do these 3 things before closing this tab:
1Scan for outdated or missing drivers - takes under a minute2Repair Windows errors before they cause bigger problems3Fix the driver behind crashes, sound loss and screen glitchesYou can send a video file from an Ubuntu server on Hetzner Cloud to YouTube Live continuously with FFmpeg: create an encoder stream in YouTube Studio, copy its RTMPS URL and stream key, run a paced FFmpeg command, then supervise it with systemd and test recovery. The steps below are for a file already on the server—not a camera attached to the cloud VM. Hosting in India is not required by the available evidence, and no particular Hetzner location is established as best for Indian viewers.
What you need before you start
- An Ubuntu Hetzner Cloud server with the video file available on disk and enough CPU capacity to encode it.
- Outbound network capacity that can sustain the selected stream bitrate, with room for overhead and fluctuations.
- A YouTube channel that can create a live encoder stream, plus its RTMPS server URL and private stream key.
- An FFmpeg build with RTMPS protocol support and, for the example below, the
libx264encoder.
This guide does not assume a specific Ubuntu release, FFmpeg build, server size, or Hetzner region. Check the commands and package availability for your chosen release and verify the installed FFmpeg capabilities before relying on the service.
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Create a YouTube Live encoder stream
- In YouTube Studio, select Create > Go Live, then create or schedule an encoder stream.
- Open the stream’s Stream settings and copy the server URL and stream key. Use the lock control to reveal or copy the RTMPS URL rather than substituting a URL from an example. YouTube recommends RTMPS, its encrypted RTMP option: YouTube encoder settings.
- Treat the stream key like a password. Do not put it in screenshots, source control, public logs, or a command that may be saved in shared shell history. Store it in a protected configuration mechanism accessible to the service account. If it is exposed, reset it using YouTube’s documented process: Reset a stream key.
FFmpeg’s RTMP protocol documentation shows the general file-streaming pattern with -re and the FLV muxer: ffmpeg -re -i myfile -f flv rtmp://myserver/live/mystream. That example uses ordinary RTMP. YouTube’s RTMPS URL and the installed FFmpeg build must be checked together before launch: FFmpeg RTMP protocol documentation.
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For a conventional CPU-encoded stream, H.264 is a practical default if the installed FFmpeg includes libx264. YouTube lists RTMP/RTMPS ingest and H.264, H.265/HEVC, and AV1 video codecs. For H.264, YouTube recommends constant bitrate (CBR) and a two-second keyframe interval, with four seconds as the maximum. Its current encoder guidance lists these rates:
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| Output | YouTube H.264 recommended bitrate | YouTube H.264 minimum bitrate |
|---|---|---|
| 1080p at 30 fps | 10 Mbps | 5 Mbps |
| 720p at 30 fps | 6 Mbps | 3 Mbps |
These are YouTube’s listed settings, not a guarantee that a particular VM or route can sustain them. Choose a lower resolution or bitrate if tests show instability. Keep the keyframe interval at two seconds: for example, a 30 fps output uses 60 frames per keyframe interval. See YouTube’s current encoder settings guidance.
Check FFmpeg and prepare the file
Confirm the build supports the needed components
Install FFmpeg using the package source appropriate for the Ubuntu release, then inspect the build rather than assuming every package has the same options:
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ffmpeg -versiondisplays the version and build configuration.ffmpeg -protocolsshould include the protocol support needed by the copied RTMPS endpoint.ffmpeg -encodersshould listlibx264if you plan to use the example command’s encoder.
If a required protocol or encoder is absent, use a compatible build before proceeding. Package names, versions, and build options can vary by Ubuntu release and installation source.
Check the media’s properties
Make sure the input file exists at the path you will use, and establish its frame rate, resolution, duration, and audio format. The example below outputs 30 fps H.264 with AAC audio; it is not a universal fit for every source. A cloud VM does not have an attached camera by default. Camera capture, playlist rotation, transitions, and multi-input production require different input and orchestration setups.
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Send and loop a video file
Set the endpoint using the exact RTMPS URL shape shown for your YouTube stream and your protected stream-key configuration. The following is an illustrative 30 fps command; substitute the file path and endpoint placeholders, and verify the URL syntax accepted by your FFmpeg build. Do not replace the placeholders with a real key in a command typed into a shared or logged terminal.
ffmpeg -re -stream_loop -1 -i /srv/stream/source.mp4
-c:v libx264 -preset veryfast -b:v 4500k -maxrate 4500k -bufsize 9000k
-g 60 -keyint_min 60 -sc_threshold 0 -pix_fmt yuv420p
-c:a aac -b:a 128k -ar 44100
-f flv "$YOUTUBE_RTMPS_URL/$YOUTUBE_STREAM_KEY"-repaces a file input in real time;-stream_loop -1asks FFmpeg to loop that input indefinitely.-b:vand-maxrateset the illustrative video rate, while-bufsizecontrols the rate-control buffer. The example’s 4,500 kbps video rate is not a YouTube recommendation for a particular resolution.-g 60and-keyint_min 60correspond to a two-second interval only when the output is 30 fps. Change them if the output frame rate differs.- A loop is not necessarily seamless: the end and start of the file may cause a visible or audible discontinuity.
Confirm the output frame rate, resolution, actual keyframe interval, encoder availability, and URL syntax before using the command unattended. For YouTube’s recommendations and live stream setup, consult encoder settings and Live Control Room streaming guidance.
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Keep FFmpeg running after SSH disconnects
Do not rely on an interactive SSH session to supervise a nonstop stream. A systemd service can launch FFmpeg at boot, restart it after a process exit, and retain logs for diagnosis. This is an operational pattern, not a tested or official FFmpeg service recipe; adapt it to your service account, protected key storage, Ubuntu release, and FFmpeg path.
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Create a service
Put the command in a root-readable configuration file or another protected credential mechanism rather than embedding a real key in a broadly readable unit. A basic unit shape is:
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[Unit]
Description=YouTube Live FFmpeg stream
After=network-online.target
Wants=network-online.target
[Service]
User=stream
EnvironmentFile=/etc/stream/stream.env
ExecStart=/usr/bin/ffmpeg -re -stream_loop -1 -i /srv/stream/source.mp4 -c:v libx264 -preset veryfast -b:v 4500k -maxrate 4500k -bufsize 9000k -g 60 -keyint_min 60 -sc_threshold 0 -pix_fmt yuv420p -c:a aac -b:a 128k -ar 44100 -f flv ${YOUTUBE_RTMPS_URL}/${YOUTUBE_STREAM_KEY}
Restart=always
RestartSec=5
[Install]
WantedBy=multi-user.targetUse a protected environment file with permissions limited to the service and administrators; verify systemd’s environment expansion and the exact endpoint form on your system. The unit’s restart policy can relaunch FFmpeg after an exit, but it cannot guarantee YouTube ingest availability, fix invalid media or credentials, or prevent repeated failure loops.
Enable, inspect, and stop it
- After saving the unit under
/etc/systemd/system/youtube-ffmpeg.service, runsudo systemctl daemon-reload. - Start it with
sudo systemctl enable --now youtube-ffmpeg.service. - Check state using
sudo systemctl status youtube-ffmpeg.service; inspect recent output withsudo journalctl -u youtube-ffmpeg.service -n 100 --no-pager. - Stop it cleanly with
sudo systemctl stop youtube-ffmpeg.service. To prevent boot start as well, runsudo systemctl disable youtube-ffmpeg.service.
Test the stream before leaving it unattended
- Check outbound bandwidth from the server. YouTube advises focusing on upload capacity, allowing about 20% headroom above the stream bitrate, and testing before an event: YouTube streaming tips.
- Start the service and wait for the stream to appear in Live Control Room. Check the preview and stream-health indicators, not just whether FFmpeg reports a connection.
- Run an extended test long enough to expose CPU saturation, bandwidth fluctuation, source-file problems, or a loop discontinuity.
- Deliberately test process restart and server reboot. Confirm FFmpeg reconnects and that YouTube receives the stream again; a systemd restart alone does not prove ingest recovery.
- Repeat the checks after changing the resolution, frame rate, encoder settings, server type, or network route. YouTube documents preview and health checks in its Live Control Room guidance.
YouTube says streams under 12 hours are automatically archived. Do not assume an indefinitely continuous stream will be archived as one recording: YouTube live stream guidance.
Hetzner Cloud, Ubuntu, and viewers in India
A basic public push to YouTube does not inherently require a private Hetzner Cloud Network. Hetzner documents native cloud-init auto-configuration for Cloud Networks on Ubuntu 22.04 or later; that concerns network setup and does not show that an instance has enough encoding CPU or an optimal path to YouTube: Hetzner Cloud Networks configuration.
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No specific Hetzner location is established here as best for viewers in India, and no region-specific ingest latency or audience performance is established. The server-to-YouTube ingest route and YouTube-to-viewer playback route are different paths. Test ingest from the selected server and observe playback from the locations that matter to your audience; do not infer that Indian viewers require an India-hosted server.
Troubleshooting common failures
| Symptom | Likely cause | What to check |
|---|---|---|
| FFmpeg cannot connect or reports an SSL/TLS error | Wrong URL shape, unsupported protocol in the build, or connection issue | Copy the RTMPS URL again from Live Control Room; check FFmpeg protocol support. YouTube notes port 443 as a troubleshooting option for SSL connection errors. |
| YouTube does not show an incoming stream | Incorrect stream key or endpoint, process failure, or no outbound connectivity | Check service status and journal logs, confirm the key and URL privately, then inspect YouTube’s preview and stream health. |
| Health warnings, dropped frames, or unstable playback | Insufficient or fluctuating outbound capacity, CPU saturation, or unsuitable encoding settings | Measure upload capacity, retain YouTube’s recommended headroom, inspect CPU load, and lower bitrate or output resolution if needed. |
| Stream stops after an error | FFmpeg exited or the source/credentials failed; a restart policy may be retrying repeatedly | Review systemctl status and journalctl, correct the root failure, then confirm YouTube receives the restarted stream. |
| Picture or sound jumps at each loop | The file’s final frames/audio do not join cleanly to its beginning | Use media with compatible boundaries or prepare a joined source; indefinite looping does not make a file seamless. |
| Stream works in a shell but not as a service | Different user permissions, missing environment variables, inaccessible media, or wrong FFmpeg path | Check the service’s user, file access, protected environment configuration, executable path, and service logs. |
Or let it run in the cloud
If you want a YouTube channel to loop uploaded recordings without maintaining an Ubuntu VM or FFmpeg service, StreamNeo is the cloud alternative: upload a recording, add your YouTube stream key, and go live. Nothing has to stay on at home; each slot streams the uploaded quality up to 4K 60fps at one flat price, with automatic recovery if YouTube drops the stream. The first day is free with no card. Monthly pricing is $9.99 per month. StreamNeo is for YouTube and uploaded videos, not camera capture. See StreamNeo or start the free first day.
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