cockroachdb Installation Guide Installation Guide

cockroachdb is a free and open-source distributed SQL database. CockroachDB provides distributed SQL with strong consistency and survivability, serving as an open-source alternative to Google Spanner or Amazon Aurora

Hardware Requirements:

CPU: 2+ cores minimum (4+ recommended)

RAM: 2GB minimum (8GB+ recommended)

Storage: 10GB+ for data

Network: Cluster communication

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 26257 (default cockroachdb port)

Port 8080 for admin UI

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 cockroachdb
sudo dnf install -y cockroachdb

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

# Configure firewall
sudo firewall-cmd --permanent --add-port=26257/tcp
sudo firewall-cmd --reload

# Verify installation
cockroach version

bash

# Update package index
sudo apt update

# Install cockroachdb
sudo apt install -y cockroachdb

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

# Configure firewall
sudo ufw allow 26257

# Verify installation
cockroach version

bash

# Install cockroachdb
sudo pacman -S cockroachdb

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

# Verify installation
cockroach version

bash

# Install cockroachdb
apk add --no-cache cockroachdb

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

# Verify installation
cockroach version

bash

# Install cockroachdb
sudo zypper install -y cockroachdb

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

# Configure firewall
sudo firewall-cmd --permanent --add-port=26257/tcp
sudo firewall-cmd --reload

# Verify installation
cockroach version

bash

# Using Homebrew
brew install cockroachdb

# Start service
brew services start cockroachdb

# Verify installation
cockroach version

bash

# Using pkg
pkg install cockroachdb

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

# Start service
service cockroachdb start

# Verify installation
cockroach version

bash

# Using Chocolatey
choco install cockroachdb

# Or using Scoop
scoop install cockroachdb

# Verify installation
cockroach version

bash

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

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

# Test configuration
cockroach version

bash

# Enable service
sudo systemctl enable cockroachdb

# Start service
sudo systemctl start cockroachdb

# Stop service
sudo systemctl stop cockroachdb

# Restart service
sudo systemctl restart cockroachdb

# Check status
sudo systemctl status cockroachdb

# View logs
sudo journalctl -u cockroachdb -f

bash

# Enable service
rc-update add cockroachdb default

# Start service
rc-service cockroachdb start

# Stop service
rc-service cockroachdb stop

# Restart service
rc-service cockroachdb restart

# Check status
rc-service cockroachdb status

bash

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

# Start service
service cockroachdb start

# Stop service
service cockroachdb stop

# Restart service
service cockroachdb restart

# Check status
service cockroachdb status

bash

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

# Check status
brew services list | grep cockroachdb

powershell

# Start service
net start cockroachdb

# Stop service
net stop cockroachdb

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

# Check status
Get-Service cockroachdb

See the official documentation for advanced configuration options.

nginx

upstream cockroachdb_backend {
    server 127.0.0.1:26257;
}

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

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

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

    location / {
        proxy_pass http://cockroachdb_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 cockroachdb.example.com
    Redirect permanent / https://cockroachdb.example.com/
</VirtualHost>

<VirtualHost *:443>
    ServerName cockroachdb.example.com
    
    SSLEngine on
    SSLCertificateFile /etc/ssl/certs/cockroachdb.example.com.crt
    SSLCertificateKeyFile /etc/ssl/private/cockroachdb.example.com.key
    
    ProxyRequests Off
    ProxyPreserveHost On
    
    ProxyPass / http://127.0.0.1:26257/
    ProxyPassReverse / http://127.0.0.1:26257/
</VirtualHost>

haproxy

frontend cockroachdb_frontend
    bind *:80
    bind *:443 ssl crt /etc/ssl/certs/cockroachdb.pem
    redirect scheme https if !{ ssl_fc }
    default_backend cockroachdb_backend

backend cockroachdb_backend
    balance roundrobin
    server cockroachdb1 127.0.0.1:26257 check

bash

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

# Configure firewall
sudo firewall-cmd --permanent --add-port=26257/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 cockroachdb

# View logs
sudo journalctl -u cockroachdb -f

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

bash

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

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

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

bash

# Stop service
sudo systemctl stop cockroachdb

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

# Start service
sudo systemctl start cockroachdb

1. Service won't start:

bash

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

# Check configuration
cockroach version

# Check permissions
ls -la /etc/cockroachdb

2. Connection issues:

bash

# Check if service is listening
sudo ss -tlnp | grep 26257

# Test connectivity
telnet localhost 26257

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

3. Performance issues:

bash

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

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

# Check connections
ss -an | grep 26257

yaml

version: '3.8'
services:
  cockroachdb:
    image: cockroachdb:latest
    ports:
      - "26257:26257"
    volumes:
      - ./config:/etc/cockroachdb
      - ./data:/var/lib/cockroachdb
    restart: unless-stopped

Maintenance

bash

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

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

# Arch Linux
sudo pacman -Syu cockroachdb

# Alpine Linux
apk update && apk upgrade cockroachdb

# openSUSE
sudo zypper update cockroachdb

# FreeBSD
pkg update && pkg upgrade cockroachdb

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

# Restart after updates
sudo systemctl restart cockroachdb

Regular Maintenance

bash

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

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

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

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

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

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

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