Nginx

Comprehensive nginx commands and usage patterns for efficient workflow management.

Overview

Nginx is a powerful tool for various operations and system management. This cheat sheet covers essential commands, configuration options, and best practices.

Installation

Linux/Ubuntu

# Package manager installation
sudo apt update
sudo apt install nginx

# Alternative installation
wget -O nginx https://github.com/example/nginx/releases/latest/download/nginx-linux
chmod +x nginx
sudo mv nginx /usr/local/bin/

macOS

# Homebrew installation
brew install nginx

# Manual installation
curl -L -o nginx https://github.com/example/nginx/releases/latest/download/nginx-macos
chmod +x nginx
sudo mv nginx /usr/local/bin/

Windows

# Chocolatey installation
choco install nginx

# Scoop installation
scoop install nginx

# Manual installation
# Download from official website and add to PATH

Basic Commands

Command	Description
`nginx --help`	Display help information
`nginx --version`	Show version information
`nginx init`	Initialize nginx in current directory
`nginx status`	Check current status
`nginx list`	List available options
`nginx info`	Display system information
`nginx config`	Show configuration
`nginx update`	Update to latest version

Essential Operations

Getting Started

# Initialize nginx
nginx init

# Basic usage
nginx run

# With verbose output
nginx --verbose run

# With configuration file
nginx --config config.yaml run

Configuration

# View configuration
nginx config show

# Set configuration option
nginx config set key value

# Get configuration value
nginx config get key

# Reset configuration
nginx config reset

Advanced Operations

# Debug mode
nginx --debug run

# Dry run (preview changes)
nginx --dry-run run

# Force operation
nginx --force run

# Parallel execution
nginx --parallel run

File Operations

Command	Description
`nginx create <file>`	Create new file
`nginx read <file>`	Read file contents
`nginx update <file>`	Update existing file
`nginx delete <file>`	Delete file
`nginx copy <src> <dst>`	Copy file
`nginx move <src> <dst>`	Move file

Network Operations

# Connect to remote host
nginx connect host:port

# Listen on port
nginx listen --port 8080

# Send data
nginx send --data "message" --target host

# Receive data
nginx receive --port 8080

Security Features

Authentication

# Login with credentials
nginx login --user username

# Logout
nginx logout

# Change password
nginx passwd

# Generate API key
nginx generate-key

Encryption

# Encrypt file
nginx encrypt file.txt

# Decrypt file
nginx decrypt file.txt.enc

# Generate certificate
nginx cert generate

# Verify signature
nginx verify file.sig

Troubleshooting

Common Issues

Issue: Command not found

# Check if installed
which nginx

# Reinstall if necessary
sudo apt reinstall nginx

Issue: Permission denied

# Run with sudo
sudo nginx command

# Fix permissions
chmod +x /usr/local/bin/nginx

Issue: Configuration errors

# Reset configuration
nginx config reset

# Validate configuration
nginx config validate

Debug Commands

Command	Description
`nginx --debug`	Enable debug output
`nginx --verbose`	Verbose logging
`nginx test`	Run self-tests
`nginx doctor`	Check system health

Best Practices

Security

Always verify checksums when downloading
Use strong authentication methods
Regularly update to latest version
Follow principle of least privilege

Performance

Use appropriate buffer sizes
Monitor resource usage
Optimize configuration for your use case
Regular maintenance and cleanup

Maintenance

# Update nginx
nginx update

# Clean temporary files
nginx clean

# Backup configuration
nginx backup --config

# Restore from backup
nginx restore --config backup.yaml

Integration

Scripting

#!/bin/bash
# Example script using nginx

if ! command -v nginx &> /dev/null; then
    echo "nginx is not installed"
    exit 1
fi

if nginx run; then
    echo "Success"
else
    echo "Failed"
    exit 1
fi

API Integration

import subprocess
import json

def run_nginx(command):
    try:
        result = subprocess.run(['nginx'] + command.split(),
                              capture_output=True, text=True)
        return result.stdout
    except Exception as e:
        print(f"Error: \\\\{e\\\\}")
        return None

Environment Variables

Variable	Description	Default
`NGINX_CONFIG`	Configuration file path	`~/.nginx/config`
`NGINX_HOME`	Home directory	`~/.nginx`
`NGINX_LOG_LEVEL`	Logging level	`INFO`
`NGINX_TIMEOUT`	Operation timeout	`30s`

Configuration File

# ~/.nginx/config.yaml
version: "1.0"
settings:
  debug: false
  timeout: 30
  log_level: "INFO"

network:
  host: "localhost"
  port: 8080
  ssl: true

security:
  auth_required: true
  encryption: "AES256"

Examples

Basic Workflow

# 1. Initialize
nginx init

# 2. Configure
nginx config set host example.com

# 3. Run operation
nginx run

# 4. Check results
nginx status

# 5. Cleanup
nginx clean

Advanced Workflow

# Comprehensive operation
nginx run \
  --config production.yaml \
  --parallel \
  --verbose \
  --timeout 300

# Monitoring
nginx monitor \
  --interval 60 \
  --alert-threshold 80

Resources

Official Documentation

Community

Tutorials

Last updated: 2025-07-05