kopia Installation Guide Installation Guide

kopia is a free and open-source backup/restore tool. Kopia provides fast and secure open-source backup tool

Hardware Requirements:

CPU: 1 core minimum

RAM: 512MB minimum

Storage: 100GB for repos

Network: Various backends

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 N/A (default kopia port)

UI server on 51515

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 kopia
sudo dnf install -y kopia

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

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

# Verify installation
kopia --version

bash

# Update package index
sudo apt update

# Install kopia
sudo apt install -y kopia

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

# Configure firewall
sudo ufw allow N/A

# Verify installation
kopia --version

bash

# Install kopia
sudo pacman -S kopia

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

# Verify installation
kopia --version

bash

# Install kopia
apk add --no-cache kopia

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

# Verify installation
kopia --version

bash

# Install kopia
sudo zypper install -y kopia

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

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

# Verify installation
kopia --version

bash

# Using Homebrew
brew install kopia

# Start service
brew services start kopia

# Verify installation
kopia --version

bash

# Using pkg
pkg install kopia

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

# Start service
service kopia start

# Verify installation
kopia --version

bash

# Using Chocolatey
choco install kopia

# Or using Scoop
scoop install kopia

# Verify installation
kopia --version

bash

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

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

# Test configuration
kopia --version

bash

# Enable service
sudo systemctl enable kopia

# Start service
sudo systemctl start kopia

# Stop service
sudo systemctl stop kopia

# Restart service
sudo systemctl restart kopia

# Check status
sudo systemctl status kopia

# View logs
sudo journalctl -u kopia -f

bash

# Enable service
rc-update add kopia default

# Start service
rc-service kopia start

# Stop service
rc-service kopia stop

# Restart service
rc-service kopia restart

# Check status
rc-service kopia status

bash

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

# Start service
service kopia start

# Stop service
service kopia stop

# Restart service
service kopia restart

# Check status
service kopia status

bash

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

# Check status
brew services list | grep kopia

powershell

# Start service
net start kopia

# Stop service
net stop kopia

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

# Check status
Get-Service kopia

See the official documentation for advanced configuration options.

nginx

upstream kopia_backend {
    server 127.0.0.1:N/A;
}

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

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

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

    location / {
        proxy_pass http://kopia_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 kopia.example.com
    Redirect permanent / https://kopia.example.com/
</VirtualHost>

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

haproxy

frontend kopia_frontend
    bind *:80
    bind *:443 ssl crt /etc/ssl/certs/kopia.pem
    redirect scheme https if !{ ssl_fc }
    default_backend kopia_backend

backend kopia_backend
    balance roundrobin
    server kopia1 127.0.0.1:N/A check

bash

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

# Configure firewall
sudo firewall-cmd --permanent --add-port=N/A/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 kopia

# View logs
sudo journalctl -u kopia -f

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

bash

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

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

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

bash

# Stop service
sudo systemctl stop kopia

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

# Start service
sudo systemctl start kopia

1. Service won't start:

bash

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

# Check configuration
kopia --version

# Check permissions
ls -la /etc/kopia

2. Connection issues:

bash

# Check if service is listening
sudo ss -tlnp | grep N/A

# Test connectivity
telnet localhost N/A

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

3. Performance issues:

bash

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

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

# Check connections
ss -an | grep N/A

yaml

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

Maintenance

bash

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

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

# Arch Linux
sudo pacman -Syu kopia

# Alpine Linux
apk update && apk upgrade kopia

# openSUSE
sudo zypper update kopia

# FreeBSD
pkg update && pkg upgrade kopia

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

# Restart after updates
sudo systemctl restart kopia

Regular Maintenance

bash

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

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

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

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

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

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

Best Practices Guide: https://docs.kopia.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

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