transmission is a free and open-source BitTorrent client. Transmission provides a fast, easy, and free BitTorrent client with web interface
1. Prerequisites
2. Supported Operating Systems
This guide supports installation on:
3. Installation
RHEL/CentOS/Rocky Linux/AlmaLinux
# Install EPEL repository if needed
sudo dnf install -y epel-release
# Install transmission
sudo dnf install -y transmission
# Enable and start service
sudo systemctl enable --now transmission
# Configure firewall
sudo firewall-cmd --permanent --add-port=9091/tcp
sudo firewall-cmd --reload
# Verify installation
transmission --version
Debian/Ubuntu
# Update package index
sudo apt update
# Install transmission
sudo apt install -y transmission
# Enable and start service
sudo systemctl enable --now transmission
# Configure firewall
sudo ufw allow 9091
# Verify installation
transmission --version
Arch Linux
# Install transmission
sudo pacman -S transmission
# Enable and start service
sudo systemctl enable --now transmission
# Verify installation
transmission --version
Alpine Linux
# Install transmission
apk add --no-cache transmission
# Enable and start service
rc-update add transmission default
rc-service transmission start
# Verify installation
transmission --version
openSUSE/SLES
# Install transmission
sudo zypper install -y transmission
# Enable and start service
sudo systemctl enable --now transmission
# Configure firewall
sudo firewall-cmd --permanent --add-port=9091/tcp
sudo firewall-cmd --reload
# Verify installation
transmission --version
macOS
# Using Homebrew
brew install transmission
# Start service
brew services start transmission
# Verify installation
transmission --version
FreeBSD
# Using pkg
pkg install transmission
# Enable in rc.conf
echo 'transmission_enable="YES"' >> /etc/rc.conf
# Start service
service transmission start
# Verify installation
transmission --version
Windows
# Using Chocolatey
choco install transmission
# Or using Scoop
scoop install transmission
# Verify installation
transmission --version
Initial Configuration
Basic Configuration
# Create configuration directory
sudo mkdir -p /etc/transmission
# Set up basic configuration
# See official documentation for detailed configuration options
# Test configuration
transmission --version
5. Service Management
systemd (RHEL, Debian, Ubuntu, Arch, openSUSE)
# Enable service
sudo systemctl enable transmission
# Start service
sudo systemctl start transmission
# Stop service
sudo systemctl stop transmission
# Restart service
sudo systemctl restart transmission
# Check status
sudo systemctl status transmission
# View logs
sudo journalctl -u transmission -f
OpenRC (Alpine Linux)
# Enable service
rc-update add transmission default
# Start service
rc-service transmission start
# Stop service
rc-service transmission stop
# Restart service
rc-service transmission restart
# Check status
rc-service transmission status
rc.d (FreeBSD)
# Enable in /etc/rc.conf
echo 'transmission_enable="YES"' >> /etc/rc.conf
# Start service
service transmission start
# Stop service
service transmission stop
# Restart service
service transmission restart
# Check status
service transmission status
launchd (macOS)
# Using Homebrew services
brew services start transmission
brew services stop transmission
brew services restart transmission
# Check status
brew services list | grep transmission
Windows Service Manager
# Start service
net start transmission
# Stop service
net stop transmission
# Using PowerShell
Start-Service transmission
Stop-Service transmission
Restart-Service transmission
# Check status
Get-Service transmission
Advanced Configuration
Speed and Connection Limits
{
"alt-speed-down": 50,
"alt-speed-enabled": false,
"alt-speed-time-begin": 540,
"alt-speed-time-day": 127,
"alt-speed-time-enabled": false,
"alt-speed-time-end": 1020,
"alt-speed-up": 50,
"speed-limit-down": 100,
"speed-limit-down-enabled": false,
"speed-limit-up": 100,
"speed-limit-up-enabled": false,
"peer-limit-global": 200,
"peer-limit-per-torrent": 50
}
Queue Management
{
"download-queue-enabled": true,
"download-queue-size": 5,
"queue-stalled-enabled": true,
"queue-stalled-minutes": 30,
"seed-queue-enabled": true,
"seed-queue-size": 10
}
Bandwidth Scheduling
{
"idle-seeding-limit": 30,
"idle-seeding-limit-enabled": true,
"ratio-limit": 2.0,
"ratio-limit-enabled": true
}
Blocklist Configuration
{
"blocklist-enabled": true,
"blocklist-url": "http://john.bitsurge.net/public/biglist.p2p.gz"
}
DHT and Peer Exchange
{
"dht-enabled": true,
"lpd-enabled": true,
"pex-enabled": true,
"utp-enabled": true
}
Encryption Settings
{
"encryption": 2
}
Where: 0 = Prefer unencrypted, 1 = Prefer encrypted, 2 = Require encrypted
Script Hooks
{
"script-torrent-done-enabled": true,
"script-torrent-done-filename": "/opt/transmission/scripts/complete.sh"
}
Example completion script:
#!/bin/bash
# /opt/transmission/scripts/complete.sh
# Called when download completes
# Environment variables:
# TR_TORRENT_DIR, TR_TORRENT_NAME, TR_TORRENT_ID, TR_TORRENT_HASH
logger "Transmission: Download completed - $TR_TORRENT_NAME"
# Send notification
if command -v notify-send &> /dev/null; then
notify-send "Download Complete" "$TR_TORRENT_NAME"
fi
# Move to media library
if [[ "$TR_TORRENT_DIR" == *"/downloads/movies"* ]]; then
mv "$TR_TORRENT_DIR/$TR_TORRENT_NAME" "/media/movies/"
elif [[ "$TR_TORRENT_DIR" == *"/downloads/tv"* ]]; then
mv "$TR_TORRENT_DIR/$TR_TORRENT_NAME" "/media/tv/"
fi
Reverse Proxy Setup
nginx Configuration
upstream transmission_backend {
server 127.0.0.1:9091;
}
server {
listen 80;
server_name transmission.example.com;
return 301 https://$server_name$request_uri;
}
server {
listen 443 ssl http2;
server_name transmission.example.com;
ssl_certificate /etc/ssl/certs/transmission.example.com.crt;
ssl_certificate_key /etc/ssl/private/transmission.example.com.key;
location / {
proxy_pass http://transmission_backend;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
}
}
Apache Configuration
<VirtualHost *:80>
ServerName transmission.example.com
Redirect permanent / https://transmission.example.com/
</VirtualHost>
<VirtualHost *:443>
ServerName transmission.example.com
SSLEngine on
SSLCertificateFile /etc/ssl/certs/transmission.example.com.crt
SSLCertificateKeyFile /etc/ssl/private/transmission.example.com.key
ProxyRequests Off
ProxyPreserveHost On
ProxyPass / http://127.0.0.1:9091/
ProxyPassReverse / http://127.0.0.1:9091/
</VirtualHost>
HAProxy Configuration
frontend transmission_frontend
bind *:80
bind *:443 ssl crt /etc/ssl/certs/transmission.pem
redirect scheme https if !{ ssl_fc }
default_backend transmission_backend
backend transmission_backend
balance roundrobin
server transmission1 127.0.0.1:9091 check
Security Configuration
Basic Security Setup
# Set appropriate permissions
sudo chown -R transmission:transmission /etc/transmission
sudo chmod 750 /etc/transmission
# Configure firewall
sudo firewall-cmd --permanent --add-port=9091/tcp
sudo firewall-cmd --reload
# Enable SELinux policies (if applicable)
sudo setsebool -P httpd_can_network_connect on
Database Setup
See official documentation for database configuration requirements.
Performance Optimization
System Tuning
# Basic system tuning
echo 'net.core.somaxconn = 65535' | sudo tee -a /etc/sysctl.conf
echo 'net.ipv4.tcp_max_syn_backlog = 65535' | sudo tee -a /etc/sysctl.conf
sudo sysctl -p
Monitoring
Basic Monitoring
# Check service status
sudo systemctl status transmission
# View logs
sudo journalctl -u transmission -f
# Monitor resource usage
top -p $(pgrep transmission)
9. Backup and Restore
Backup Script
#!/bin/bash
# Basic backup script
BACKUP_DIR="/backup/transmission"
DATE=$(date +%Y%m%d_%H%M%S)
mkdir -p "$BACKUP_DIR"
tar -czf "$BACKUP_DIR/transmission-backup-$DATE.tar.gz" /etc/transmission /var/lib/transmission
echo "Backup completed: $BACKUP_DIR/transmission-backup-$DATE.tar.gz"
Restore Procedure
# Stop service
sudo systemctl stop transmission
# Restore from backup
tar -xzf /backup/transmission/transmission-backup-*.tar.gz -C /
# Start service
sudo systemctl start transmission
6. Troubleshooting
Common Issues
1. Service won't start:
# Check logs
sudo journalctl -u transmission -n 100
sudo tail -f /var/log/transmission/transmission.log
# Check configuration
transmission --version
# Check permissions
ls -la /etc/transmission
2. Connection issues:
# Check if service is listening
sudo ss -tlnp | grep 9091
# Test connectivity
telnet localhost 9091
# Check firewall
sudo firewall-cmd --list-all
3. Performance issues:
# Check resource usage
top -p $(pgrep transmission)
# Check disk I/O
iotop -p $(pgrep transmission)
# Check connections
ss -an | grep 9091
Integration Examples
Docker Compose Example
version: '3.8'
services:
transmission:
image: transmission:latest
ports:
- "9091:9091"
volumes:
- ./config:/etc/transmission
- ./data:/var/lib/transmission
restart: unless-stopped
Maintenance
Update Procedures
# RHEL/CentOS/Rocky/AlmaLinux
sudo dnf update transmission
# Debian/Ubuntu
sudo apt update && sudo apt upgrade transmission
# Arch Linux
sudo pacman -Syu transmission
# Alpine Linux
apk update && apk upgrade transmission
# openSUSE
sudo zypper update transmission
# FreeBSD
pkg update && pkg upgrade transmission
# Always backup before updates
tar -czf /backup/transmission-pre-update-$(date +%Y%m%d).tar.gz /etc/transmission
# Restart after updates
sudo systemctl restart transmission
Regular Maintenance
# Log rotation
sudo logrotate -f /etc/logrotate.d/transmission
# Clean old logs
find /var/log/transmission -name "*.log" -mtime +30 -delete
# Check disk usage
du -sh /var/lib/transmission
Additional Resources
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Note: This guide is part of the HowToMgr collection. Always refer to official documentation for the most up-to-date information.