multichain Installation Guide Installation Guide

multichain is a free and open-source blockchain platform. MultiChain provides platform for private blockchains

Hardware Requirements:

CPU: 2+ cores

RAM: 2GB minimum

Storage: 50GB for chains

Network: JSON-RPC

Operating System:

Linux: Any modern distribution (RHEL, Debian, Ubuntu, CentOS, Fedora, Arch, Alpine, openSUSE)

macOS: 10.14+ (Mojave or newer)

Windows: Windows Server 2016+ or Windows 10

FreeBSD: 11.0+

Network Requirements:

Port 8571 (default multichain port)

Various per chain

Dependencies:

See official documentation for specific requirements

System Access: root or sudo privileges required

This guide supports installation on:

RHEL 8/9 and derivatives (CentOS Stream, Rocky Linux, AlmaLinux)

Debian 11/12

Ubuntu 20.04/22.04/24.04 LTS

Arch Linux (rolling release)

Alpine Linux 3.18+

openSUSE Leap 15.5+ / Tumbleweed

SUSE Linux Enterprise Server (SLES) 15+

macOS 12+ (Monterey and later)

FreeBSD 13+

Windows 10/11/Server 2019+ (where applicable)

bash

# Install EPEL repository if needed
sudo dnf install -y epel-release

# Install multichain
sudo dnf install -y multichain

# Enable and start service
sudo systemctl enable --now multichain

# Configure firewall
sudo firewall-cmd --permanent --add-port=8571/tcp
sudo firewall-cmd --reload

# Verify installation
multichain --version

bash

# Update package index
sudo apt update

# Install multichain
sudo apt install -y multichain

# Enable and start service
sudo systemctl enable --now multichain

# Configure firewall
sudo ufw allow 8571

# Verify installation
multichain --version

bash

# Install multichain
sudo pacman -S multichain

# Enable and start service
sudo systemctl enable --now multichain

# Verify installation
multichain --version

bash

# Install multichain
apk add --no-cache multichain

# Enable and start service
rc-update add multichain default
rc-service multichain start

# Verify installation
multichain --version

bash

# Install multichain
sudo zypper install -y multichain

# Enable and start service
sudo systemctl enable --now multichain

# Configure firewall
sudo firewall-cmd --permanent --add-port=8571/tcp
sudo firewall-cmd --reload

# Verify installation
multichain --version

bash

# Using Homebrew
brew install multichain

# Start service
brew services start multichain

# Verify installation
multichain --version

bash

# Using pkg
pkg install multichain

# Enable in rc.conf
echo 'multichain_enable="YES"' >> /etc/rc.conf

# Start service
service multichain start

# Verify installation
multichain --version

bash

# Using Chocolatey
choco install multichain

# Or using Scoop
scoop install multichain

# Verify installation
multichain --version

bash

# Create configuration directory
sudo mkdir -p /etc/multichain

# Set up basic configuration
# See official documentation for detailed configuration options

# Test configuration
multichain --version

bash

# Enable service
sudo systemctl enable multichain

# Start service
sudo systemctl start multichain

# Stop service
sudo systemctl stop multichain

# Restart service
sudo systemctl restart multichain

# Check status
sudo systemctl status multichain

# View logs
sudo journalctl -u multichain -f

bash

# Enable service
rc-update add multichain default

# Start service
rc-service multichain start

# Stop service
rc-service multichain stop

# Restart service
rc-service multichain restart

# Check status
rc-service multichain status

bash

# Enable in /etc/rc.conf
echo 'multichain_enable="YES"' >> /etc/rc.conf

# Start service
service multichain start

# Stop service
service multichain stop

# Restart service
service multichain restart

# Check status
service multichain status

bash

# Using Homebrew services
brew services start multichain
brew services stop multichain
brew services restart multichain

# Check status
brew services list | grep multichain

powershell

# Start service
net start multichain

# Stop service
net stop multichain

# Using PowerShell
Start-Service multichain
Stop-Service multichain
Restart-Service multichain

# Check status
Get-Service multichain

See the official documentation for advanced configuration options.

nginx

upstream multichain_backend {
    server 127.0.0.1:8571;
}

server {
    listen 80;
    server_name multichain.example.com;
    return 301 https://$server_name$request_uri;
}

server {
    listen 443 ssl http2;
    server_name multichain.example.com;

    ssl_certificate /etc/ssl/certs/multichain.example.com.crt;
    ssl_certificate_key /etc/ssl/private/multichain.example.com.key;

    location / {
        proxy_pass http://multichain_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

<VirtualHost *:80>
    ServerName multichain.example.com
    Redirect permanent / https://multichain.example.com/
</VirtualHost>

<VirtualHost *:443>
    ServerName multichain.example.com
    
    SSLEngine on
    SSLCertificateFile /etc/ssl/certs/multichain.example.com.crt
    SSLCertificateKeyFile /etc/ssl/private/multichain.example.com.key
    
    ProxyRequests Off
    ProxyPreserveHost On
    
    ProxyPass / http://127.0.0.1:8571/
    ProxyPassReverse / http://127.0.0.1:8571/
</VirtualHost>

haproxy

frontend multichain_frontend
    bind *:80
    bind *:443 ssl crt /etc/ssl/certs/multichain.pem
    redirect scheme https if !{ ssl_fc }
    default_backend multichain_backend

backend multichain_backend
    balance roundrobin
    server multichain1 127.0.0.1:8571 check

bash

# Set appropriate permissions
sudo chown -R multichain:multichain /etc/multichain
sudo chmod 750 /etc/multichain

# Configure firewall
sudo firewall-cmd --permanent --add-port=8571/tcp
sudo firewall-cmd --reload

# Enable SELinux policies (if applicable)
sudo setsebool -P httpd_can_network_connect on

See official documentation for database configuration requirements.

bash

# 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

bash

# Check service status
sudo systemctl status multichain

# View logs
sudo journalctl -u multichain -f

# Monitor resource usage
top -p $(pgrep multichain)

bash

#!/bin/bash
# Basic backup script
BACKUP_DIR="/backup/multichain"
DATE=$(date +%Y%m%d_%H%M%S)

mkdir -p "$BACKUP_DIR"
tar -czf "$BACKUP_DIR/multichain-backup-$DATE.tar.gz" /etc/multichain /var/lib/multichain

echo "Backup completed: $BACKUP_DIR/multichain-backup-$DATE.tar.gz"

bash

# Stop service
sudo systemctl stop multichain

# Restore from backup
tar -xzf /backup/multichain/multichain-backup-*.tar.gz -C /

# Start service
sudo systemctl start multichain

1. Service won't start:

bash

# Check logs
sudo journalctl -u multichain -n 100
sudo tail -f /var/log/multichain/multichain.log

# Check configuration
multichain --version

# Check permissions
ls -la /etc/multichain

2. Connection issues:

bash

# Check if service is listening
sudo ss -tlnp | grep 8571

# Test connectivity
telnet localhost 8571

# Check firewall
sudo firewall-cmd --list-all

3. Performance issues:

bash

# Check resource usage
top -p $(pgrep multichain)

# Check disk I/O
iotop -p $(pgrep multichain)

# Check connections
ss -an | grep 8571

yaml

version: '3.8'
services:
  multichain:
    image: multichain:latest
    ports:
      - "8571:8571"
    volumes:
      - ./config:/etc/multichain
      - ./data:/var/lib/multichain
    restart: unless-stopped

Maintenance

bash

# RHEL/CentOS/Rocky/AlmaLinux
sudo dnf update multichain

# Debian/Ubuntu
sudo apt update && sudo apt upgrade multichain

# Arch Linux
sudo pacman -Syu multichain

# Alpine Linux
apk update && apk upgrade multichain

# openSUSE
sudo zypper update multichain

# FreeBSD
pkg update && pkg upgrade multichain

# Always backup before updates
tar -czf /backup/multichain-pre-update-$(date +%Y%m%d).tar.gz /etc/multichain

# Restart after updates
sudo systemctl restart multichain

Regular Maintenance

bash

# Log rotation
sudo logrotate -f /etc/logrotate.d/multichain

# Clean old logs
find /var/log/multichain -name "*.log" -mtime +30 -delete

# Check disk usage
du -sh /var/lib/multichain

Official Documentation: https://docs.multichain.org/

GitHub Repository: https://github.com/multichain/multichain

Community Forum: https://forum.multichain.org/

Best Practices Guide: https://docs.multichain.org/best-practices

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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.

1. Prerequisites

2. Supported Operating Systems

3. Installation

RHEL/CentOS/Rocky Linux/AlmaLinux

Debian/Ubuntu

Arch Linux

Alpine Linux

openSUSE/SLES

macOS

FreeBSD

Windows

Initial Configuration

Basic Configuration

5. Service Management

systemd (RHEL, Debian, Ubuntu, Arch, openSUSE)

OpenRC (Alpine Linux)

rc.d (FreeBSD)

launchd (macOS)

Windows Service Manager

Advanced Configuration

Reverse Proxy Setup

nginx Configuration

Apache Configuration

HAProxy Configuration

Security Configuration

Basic Security Setup

Database Setup

Performance Optimization

System Tuning

Monitoring

Basic Monitoring

9. Backup and Restore

Backup Script

Restore Procedure

6. Troubleshooting

Common Issues

Integration Examples

Docker Compose Example

Maintenance

Update Procedures

Regular Maintenance

Additional Resources

Related Blockchain Guides

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monero Installation Guide