wordpress Installation Guide

wordpress is a free and open-source content management system. WordPress powers over 40% of the web with extensible CMS

1. Prerequisites

Hardware Requirements:
- CPU: 1 core minimum
- RAM: 512MB minimum
- Storage: 1GB for data
- Network: HTTP/HTTPS access
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 80 (default wordpress port)
- None
Dependencies:
- See official documentation for specific requirements
System Access: root or sudo privileges required

2. Supported Operating Systems

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)

3. Installation

RHEL/CentOS/Rocky Linux/AlmaLinux

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

# Install wordpress
sudo dnf install -y wordpress

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

# Configure firewall
sudo firewall-cmd --permanent --add-port=80/tcp
sudo firewall-cmd --reload

# Verify installation
wordpress --version

Debian/Ubuntu

# Update package index
sudo apt update

# Install wordpress
sudo apt install -y wordpress

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

# Configure firewall
sudo ufw allow 80

# Verify installation
wordpress --version

Arch Linux

# Install wordpress
sudo pacman -S wordpress

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

# Verify installation
wordpress --version

Alpine Linux

# Install wordpress
apk add --no-cache wordpress

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

# Verify installation
wordpress --version

openSUSE/SLES

# Install wordpress
sudo zypper install -y wordpress

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

# Configure firewall
sudo firewall-cmd --permanent --add-port=80/tcp
sudo firewall-cmd --reload

# Verify installation
wordpress --version

macOS

# Using Homebrew
brew install wordpress

# Start service
brew services start wordpress

# Verify installation
wordpress --version

FreeBSD

# Using pkg
pkg install wordpress

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

# Start service
service wordpress start

# Verify installation
wordpress --version

Windows

# Using Chocolatey
choco install wordpress

# Or using Scoop
scoop install wordpress

# Verify installation
wordpress --version

Initial Configuration

Basic Configuration

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

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

# Test configuration
wordpress --version

5. Service Management

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

# Enable service
sudo systemctl enable wordpress

# Start service
sudo systemctl start wordpress

# Stop service
sudo systemctl stop wordpress

# Restart service
sudo systemctl restart wordpress

# Check status
sudo systemctl status wordpress

# View logs
sudo journalctl -u wordpress -f

OpenRC (Alpine Linux)

# Enable service
rc-update add wordpress default

# Start service
rc-service wordpress start

# Stop service
rc-service wordpress stop

# Restart service
rc-service wordpress restart

# Check status
rc-service wordpress status

rc.d (FreeBSD)

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

# Start service
service wordpress start

# Stop service
service wordpress stop

# Restart service
service wordpress restart

# Check status
service wordpress status

launchd (macOS)

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

# Check status
brew services list | grep wordpress

Windows Service Manager

# Start service
net start wordpress

# Stop service
net stop wordpress

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

# Check status
Get-Service wordpress

Advanced Configuration

See the official documentation for advanced configuration options.

Reverse Proxy Setup

nginx Configuration

upstream wordpress_backend {
    server 127.0.0.1:80;
}

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

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

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

    location / {
        proxy_pass http://wordpress_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 wordpress.example.com
    Redirect permanent / https://wordpress.example.com/
</VirtualHost>

<VirtualHost *:443>
    ServerName wordpress.example.com
    
    SSLEngine on
    SSLCertificateFile /etc/ssl/certs/wordpress.example.com.crt
    SSLCertificateKeyFile /etc/ssl/private/wordpress.example.com.key
    
    ProxyRequests Off
    ProxyPreserveHost On
    
    ProxyPass / http://127.0.0.1:80/
    ProxyPassReverse / http://127.0.0.1:80/
</VirtualHost>

HAProxy Configuration

frontend wordpress_frontend
    bind *:80
    bind *:443 ssl crt /etc/ssl/certs/wordpress.pem
    redirect scheme https if !{ ssl_fc }
    default_backend wordpress_backend

backend wordpress_backend
    balance roundrobin
    server wordpress1 127.0.0.1:80 check

Security Configuration

Basic Security Setup

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

# Configure firewall
sudo firewall-cmd --permanent --add-port=80/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 wordpress

# View logs
sudo journalctl -u wordpress -f

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

9. Backup and Restore

Backup Script

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

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

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

Restore Procedure

# Stop service
sudo systemctl stop wordpress

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

# Start service
sudo systemctl start wordpress

6. Troubleshooting

Common Issues

Service won't start:

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

# Check configuration
wordpress --version

# Check permissions
ls -la /etc/wordpress

Connection issues:

# Check if service is listening
sudo ss -tlnp | grep 80

# Test connectivity
telnet localhost 80

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

Performance issues:

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

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

# Check connections
ss -an | grep 80

Integration Examples

Docker Compose Example

version: '3.8'
services:
  wordpress:
    image: wordpress:latest
    ports:
      - "80:80"
    volumes:
      - ./config:/etc/wordpress
      - ./data:/var/lib/wordpress
    restart: unless-stopped

Maintenance

Update Procedures

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

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

# Arch Linux
sudo pacman -Syu wordpress

# Alpine Linux
apk update && apk upgrade wordpress

# openSUSE
sudo zypper update wordpress

# FreeBSD
pkg update && pkg upgrade wordpress

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

# Restart after updates
sudo systemctl restart wordpress

Regular Maintenance

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

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

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

Additional Resources

Official Documentation: https://docs.wordpress.org/
GitHub Repository: https://github.com/wordpress/wordpress
Community Forum: https://forum.wordpress.org/
Best Practices Guide: https://docs.wordpress.org/best-practices

Note: This guide is part of the HowToMgr collection. Always refer to official documentation for the most up-to-date information.

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