To run a continuous YouTube stream from a VPS, install FFmpeg, connect it to a YouTube Live broadcast using the RTMPS endpoint and stream key, test the input and output, then run the command under systemd supervision. The commands below use Ubuntu and a looping video file as an example; the right input flags and VPS capacity depend on your media and whether FFmpeg must encode it.
What you need before you start
- An Ubuntu VPS with a reliable network connection and enough sustained outbound capacity for your chosen stream bitrate. There is no universal CPU or RAM requirement: transcoding and stream-copying have different resource needs, so test the actual source and settings on the VPS you plan to use.
- A video file or other input that FFmpeg can read. This example loops a file; a live feed or generated input needs different input and reconnect options.
- A YouTube channel that can create a live broadcast, plus its RTMPS ingestion URL and stream key.
- Shell access with permission to install packages and configure a system service.
YouTube recommends RTMPS, its secure RTMP option. In Live Control Room, verify that you have selected the RTMPS URL rather than assuming the standard RTMP URL shown by default is secure. YouTube’s RTMPS guidance explains the encryption and endpoint selection.
Install FFmpeg on Ubuntu
Ubuntu is the example here, not a requirement. Package versions vary by Ubuntu release and CPU architecture, so check the package available for your VPS image.
-
Update APT’s package index and install FFmpeg:
sudo apt update sudo apt install ffmpeg -
Confirm it is installed and inspect its build:
ffmpeg -version -
Check that your build includes the encoder you intend to use. The example below uses
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Ubuntu documents APT installation and lists FFmpeg in its package catalog: Ubuntu Packages and Ubuntu Server package management.
Create the YouTube broadcast and protect its key
- Open YouTube Live Control Room and create or select the broadcast.
- Retrieve the broadcast’s ingestion URL and stream key. Select the RTMPS endpoint.
- Treat the key like a password. Do not put a real key in a public repository, tutorial, shell transcript, or support ticket. Store it in a protected configuration file or root-readable systemd environment file.
YouTube’s Live Streaming API documents an RTMPS primary ingestion URL: LiveStreams API reference.
Build and test an FFmpeg command
This illustrative command reads and loops a local MP4, transcodes video to H.264 and audio to AAC, and sends the result to YouTube. Replace the file path, RTMPS address, and key with your own values. In this example, <RTMPS_URL>/<STREAM_KEY> stands for the complete RTMPS publishing address with the key in the position YouTube specifies; it is not literal text to paste into a working command.
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ffmpeg -re -stream_loop -1 -i /srv/stream/input.mp4
-c:v libx264 -preset veryfast -pix_fmt yuv420p
-r 30 -g 60 -b:v 5M -maxrate 5M -bufsize 10M
-c:a aac -b:a 128k -ar 44100
-f flv "<RTMPS_URL>/<STREAM_KEY>"-rereads the file at its native rate rather than sending it as fast as possible.-stream_loop -1requests an indefinite loop for a file input. Remove it for a non-looping file or a live source.-c:v libx264and-c:a aacencode the video and audio. This uses VPS resources; the example is not a universal performance guarantee.-r 30sets a 30 fps output, while-g 60sets a 60-frame GOP, equivalent to a two-second keyframe interval at 30 fps.-b:v,-maxrate, and-bufsizeset video rate-control values. Adjust these to your resolution, source, and available network capacity.-f flvselects the output container used for this RTMP-family publishing workflow.
If the source already has compatible codecs, bitrate, frame rate, and keyframes, stream-copying may reduce encoding work, but it also means the source must already meet your output needs. Inspect the file’s streams before choosing; FFmpeg’s documentation covers its protocol and format options: FFmpeg Protocols Documentation.
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YouTube recommends constant bitrate (CBR) and a two-second keyframe interval, with intervals no longer than four seconds. Its H.264 recommendations include these ranges:
| Output | YouTube-recommended H.264 video bitrate |
|---|---|
| 720p30 | 3–8 Mbps |
| 1080p30 | 5–14 Mbps |
| 720p60 | 3–8 Mbps |
| 1080p60 | 6–17 Mbps |
These are YouTube’s recommended ranges, not a promise of quality or a VPS capacity estimate. Choose a rate the server can sustain with network headroom, then test representative audio and motion. At 30 fps, -g 60 gives a two-second keyframe interval; for other frame rates, set the GOP accordingly. YouTube also recommends stereo audio at 44.1 kHz and 128 Kbps. See YouTube’s live encoder settings for its current guidance; the source page does not state a publication year (verified 2026).
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Run FFmpeg as a systemd service
Running FFmpeg in a shell ties it to that session. A systemd service can launch the process at boot and restart it after certain failures, which is more suitable for an unattended stream. It cannot keep the stream available through every VPS, network, input, account, or YouTube problem.
Store the publishing address outside the unit
Create /etc/youtube-stream.env with the publishing address in an environment variable, for example:
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YOUTUBE_RTMPS_URL="your-complete-RTMPS-publishing-address-with-key"Use the actual address supplied for your broadcast, not the explanatory text above. Restrict the file’s permissions so only root and the service account can read it. A wrapper script with restrictive permissions can be preferable if your command requires complex quoting or environment handling.
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Create the unit
Create /etc/systemd/system/youtube-stream.service. Change the service user and paths to match your server. This single-line ExecStart is illustrative; check systemd’s environment substitution and escaping behavior for your installed version.
[Unit]
Description=FFmpeg YouTube live stream
Wants=network-online.target
After=network-online.target
[Service]
Type=simple
User=stream
WorkingDirectory=/srv/stream
EnvironmentFile=/etc/youtube-stream.env
ExecStart=/usr/bin/ffmpeg -re -stream_loop -1 -i /srv/stream/input.mp4 -c:v libx264 -preset veryfast -pix_fmt yuv420p -r 30 -g 60 -b:v 5M -maxrate 5M -bufsize 10M -c:a aac -b:a 128k -ar 44100 -f flv ${YOUTUBE_RTMPS_URL}
Restart=on-failure
RestartSec=5
[Install]
WantedBy=multi-user.targetEnable, start, and inspect it
- Reload systemd’s unit definitions and enable the service at boot while starting it now:
sudo systemctl daemon-reload sudo systemctl enable --now youtube-stream.service - Check service status:
sudo systemctl status youtube-stream.service - Follow its logs while checking the YouTube preview:
sudo journalctl -u youtube-stream.service -f
Restart=on-failure is a process recovery policy, not an uptime guarantee. Ubuntu’s systemd documentation describes restart behavior and start-rate limiting; repeated failures can hit the configured limit rather than restart forever. An intentional systemctl stop does not trigger the restart policy. See the Ubuntu Noble systemd.service manual.
Test the stream and check YouTube health
Before relying on the stream, test the actual input, encoder settings, and VPS connection. YouTube recommends testing with audio and movement representative of the intended broadcast and monitoring stream-health messages.
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- Confirm the Control Room preview appears and the broadcast is receiving data.
- Check that audio is present, the aspect ratio is correct, and motion plays smoothly.
- Watch FFmpeg logs for input errors, encoder problems, or connection failures.
- Verify what happens after an FFmpeg process restart; check that the broadcast is still healthy in Live Control Room.
- Arrange an alert or recurring check for a failed service. A running FFmpeg process alone does not prove that viewers can see a healthy stream.
Troubleshoot common failures
| Symptom | Likely cause | What to check or do |
|---|---|---|
| YouTube receives no video | Wrong endpoint, malformed publishing address, invalid key, or the broadcast is not ready. | Verify the RTMPS URL and key in Live Control Room, confirm the broadcast is selected, and inspect FFmpeg’s connection errors. |
| FFmpeg exits immediately | Missing input file, unsupported codec, invalid option, unavailable encoder, or incorrect permissions. | Run the command interactively, check the file path and FFmpeg output, verify the encoder with the installed build, and confirm the service user can read the input. |
| Video stutters or the connection drops | Insufficient sustained VPS egress, network instability, or a bitrate too high for the available route. | Check the provider’s egress limits and actual sustained capacity; lower bitrate or output settings and retest with representative media. |
| Audio is missing or wrong | The file has no audio stream, the wrong stream is selected, or conversion settings do not match the input. | Inspect the input’s streams and confirm YouTube’s preview and health messages show audio. |
| The service does not recover after repeated errors | systemd start-rate limiting, a persistent input or credential problem, or a failure outside FFmpeg. | Read the journal, fix the underlying error, check the unit’s rate-limit behavior, then start the service again. A restart policy cannot repair provider outages, account restrictions, or a missing file. |
Cost and operating trade-offs
A VPS keeps the encoder running away from your home computer, but you are responsible for the server plan, outbound data limits, configuration, monitoring, and recovery. The amount of processing depends on whether FFmpeg transcodes or copies the source, so test the proposed setup instead of choosing a VPS size from resolution alone. Also account for the ongoing outbound bitrate and your provider’s egress rules.
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Frequently Asked Questions
Does the VPS need a desktop environment?
No. This setup runs FFmpeg and systemd from the Ubuntu command line; a graphical desktop is not part of the workflow.
Can I use this setup with a live camera input?
The example is for a looping file. A camera or other live input needs input-specific FFmpeg options and its own reconnect behavior.
Quick Recap
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