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o11 OTT Streamer Docs | API

O11 V4 OTT Optimizing

Optimize O11 v4 OTT Streamer for maximum performance using FFmpeg, systemd tuning and recommended service settings.

🧠 Ultimate Guide to Optimizing O11 v4 OTT Streamer on Ubuntu

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🔧 Step 1: Best Practices for Optimal O11 v4 Configuration

To achieve maximum performance, configure O11 v4 to:

  • Use fixed working directories such as /home/o11
  • Run as root for access to ports, networking and FFmpeg
  • Auto‑restart on crash with Restart=always
  • Use memory limits to ensure stability
[Unit]
Description=o11.v4.OTT.STREAMER
After=network.target
Requires=network.target

[Service]
ExecStart=/home/o11/o11v4 -p 4000 -noramfs -f /usr/bin/ffmpeg
WorkingDirectory=/home/o11
Restart=always
User=root
RestartSec=5
StartLimitInterval=0
PrivateTmp=true
ProtectSystem=full

MemoryHigh=120G
MemoryLow=100G
MemorySwapMax=150G

OOMScoreAdjust=-500
PIDFile=/run/o11.v4.pid
KillMode=mixed

[Install]
WantedBy=multi-user.target

Apply changes:

sudo systemctl daemon-reload
sudo systemctl daemon-reexec
sudo systemctl enable o11-drm.service
sudo systemctl start o11-drm.service

🌟 Step 2: Installing FFmpeg (Required for Streaming)

O11 uses FFmpeg for transcoding and processing.

✅ Option A: Install FFmpeg from Ubuntu repository

sudo apt update && sudo apt install -y ffmpeg

✨ Option B: Install Latest Static FFmpeg Build

cd /tmp && \
wget https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-amd64-static.tar.xz && \
tar -xf ffmpeg-release-amd64-static.tar.xz && \
cd ffmpeg-*-static && \
sudo cp ffmpeg /usr/bin/ffmpeg && \
sudo chmod +x /usr/bin/ffmpeg

🚀 Step 3: Apply O11 Optimization Script

Download and run the optimization update script with a single command: