React
Comprehensive react commands and workflows for system administration across all platforms.
Basic Commands
Command | Description |
---|---|
react --version |
Show react version |
react --help |
Display help information |
react init |
Initialize react in current directory |
react status |
Check current status |
react list |
List available options |
react info |
Display system information |
react config |
Show configuration settings |
react update |
Update to latest version |
react start |
Start react service |
react stop |
Stop react service |
react restart |
Restart react service |
react reload |
Reload configuration |
Installation
Linux/Ubuntu
# Package manager installation
sudo apt update
sudo apt install react
# Alternative installation
wget https://github.com/example/react/releases/latest/download/react-linux
chmod +x react-linux
sudo mv react-linux /usr/local/bin/react
# Build from source
git clone https://github.com/example/react.git
cd react
make && sudo make install
macOS
# Homebrew installation
brew install react
# MacPorts installation
sudo port install react
# Manual installation
curl -L -o react https://github.com/example/react/releases/latest/download/react-macos
chmod +x react
sudo mv react /usr/local/bin/
Windows
# Chocolatey installation
choco install react
# Scoop installation
scoop install react
# Winget installation
winget install react
# Manual installation
# Download from https://github.com/example/react/releases
# Extract and add to PATH
Configuration
Command | Description |
---|---|
react config show |
Display current configuration |
react config list |
List all configuration options |
react config set <key> <value> |
Set configuration value |
react config get <key> |
Get configuration value |
react config unset <key> |
Remove configuration value |
react config reset |
Reset to default configuration |
react config validate |
Validate configuration file |
react config export |
Export configuration to file |
Advanced Operations
File Operations
# Create new file/resource
react create <name>
# Read file/resource
react read <name>
# Update existing file/resource
react update <name>
# Delete file/resource
react delete <name>
# Copy file/resource
react copy <source> <destination>
# Move file/resource
react move <source> <destination>
# List all files/resources
react list --all
# Search for files/resources
react search <pattern>
Network Operations
# Connect to remote host
react connect <host>:<port>
# Listen on specific port
react listen --port <port>
# Send data to target
react send --target <host> --data "<data>"
# Receive data from source
react receive --source <host>
# Test connectivity
react ping <host>
# Scan network range
react scan <network>
# Monitor network traffic
react monitor --interface <interface>
# Proxy connections
react proxy --listen <port> --target <host>:<port>
Process Management
# Start background process
react start --daemon
# Stop running process
react stop --force
# Restart with new configuration
react restart --config <file>
# Check process status
react status --verbose
# Monitor process performance
react monitor --metrics
# Kill all processes
react killall
# Show running processes
react ps
# Manage process priority
react priority --pid <pid> --level <level>
Security Features
Authentication
# Login with username/password
react login --user <username>
# Login with API key
react login --api-key <key>
# Login with certificate
react login --cert <cert_file>
# Logout current session
react logout
# Change password
react passwd
# Generate new API key
react generate-key --name <key_name>
# List active sessions
react sessions
# Revoke session
react revoke --session <session_id>
Encryption
# Encrypt file
react encrypt --input <file> --output <encrypted_file>
# Decrypt file
react decrypt --input <encrypted_file> --output <file>
# Generate encryption key
react keygen --type <type> --size <size>
# Sign file
react sign --input <file> --key <private_key>
# Verify signature
react verify --input <file> --signature <sig_file>
# Hash file
react hash --algorithm <algo> --input <file>
# Generate certificate
react cert generate --name <name> --days <days>
# Verify certificate
react cert verify --cert <cert_file>
Monitoring and Logging
System Monitoring
# Monitor system resources
react monitor --system
# Monitor specific process
react monitor --pid <pid>
# Monitor network activity
react monitor --network
# Monitor file changes
react monitor --files <directory>
# Real-time monitoring
react monitor --real-time --interval 1
# Generate monitoring report
react report --type monitoring --output <file>
# Set monitoring alerts
react alert --threshold <value> --action <action>
# View monitoring history
react history --type monitoring
Logging
# View logs
react logs
# View logs with filter
react logs --filter <pattern>
# Follow logs in real-time
react logs --follow
# Set log level
react logs --level <level>
# Rotate logs
react logs --rotate
# Export logs
react logs --export <file>
# Clear logs
react logs --clear
# Archive logs
react logs --archive <archive_file>
Troubleshooting
Common Issues
Issue: Command not found
# Check if react is installed
which react
react --version
# Check PATH variable
echo $PATH
# Reinstall if necessary
sudo apt reinstall react
# or
brew reinstall react
Issue: Permission denied
# Run with elevated privileges
sudo react <command>
# Check file permissions
ls -la $(which react)
# Fix permissions
chmod +x /usr/local/bin/react
# Check ownership
sudo chown $USER:$USER /usr/local/bin/react
Issue: Configuration errors
# Validate configuration
react config validate
# Reset to default configuration
react config reset
# Check configuration file location
react config show --file
# Backup current configuration
react config export > backup.conf
# Restore from backup
react config import backup.conf
Issue: Service not starting
# Check service status
react status --detailed
# Check system logs
journalctl -u react
# Start in debug mode
react start --debug
# Check port availability
netstat -tulpn|grep <port>
# Kill conflicting processes
react killall --force
Debug Commands
Command | Description |
---|---|
react --debug |
Enable debug output |
react --verbose |
Enable verbose logging |
react --trace |
Enable trace logging |
react test |
Run built-in tests |
react doctor |
Run system health check |
react diagnose |
Generate diagnostic report |
react benchmark |
Run performance benchmarks |
react validate |
Validate installation and configuration |
Performance Optimization
Resource Management
# Set memory limit
react --max-memory 1G <command>
# Set CPU limit
react --max-cpu 2 <command>
# Enable caching
react --cache-enabled <command>
# Set cache size
react --cache-size 100M <command>
# Clear cache
react cache clear
# Show cache statistics
react cache stats
# Optimize performance
react optimize --profile <profile>
# Show performance metrics
react metrics
Parallel Processing
# Enable parallel processing
react --parallel <command>
# Set number of workers
react --workers 4 <command>
# Process in batches
react --batch-size 100 <command>
# Queue management
react queue add <item>
react queue process
react queue status
react queue clear
Integration
Scripting
#!/bin/bash
# Example script using react
set -euo pipefail
# Configuration
CONFIG_FILE="config.yaml"
LOG_FILE="react.log"
# Check if react is available
if ! command -v react &> /dev/null; then
echo "Error: react is not installed" >&2
exit 1
fi
# Function to log messages
log() \\\\{
echo "$(date '+%Y-%m-%d %H:%M:%S') - $1"|tee -a "$LOG_FILE"
\\\\}
# Main operation
main() \\\\{
log "Starting react operation"
if react --config "$CONFIG_FILE" run; then
log "Operation completed successfully"
exit 0
else
log "Operation failed with exit code $?"
exit 1
fi
\\\\}
# Cleanup function
cleanup() \\\\{
log "Cleaning up"
react cleanup
\\\\}
# Set trap for cleanup
trap cleanup EXIT
# Run main function
main "$@"
API Integration
#!/usr/bin/env python3
"""
Python wrapper for the tool
"""
import subprocess
import json
import logging
from pathlib import Path
from typing import Dict, List, Optional
class ToolWrapper:
def __init__(self, config_file: Optional[str] = None):
self.config_file = config_file
self.logger = logging.getLogger(__name__)
def run_command(self, args: List[str]) -> Dict:
"""Run command and return parsed output"""
cmd = ['tool_name']
if self.config_file:
cmd.extend(['--config', self.config_file])
cmd.extend(args)
try:
result = subprocess.run(
cmd,
capture_output=True,
text=True,
check=True
)
return \\\\{'stdout': result.stdout, 'stderr': result.stderr\\\\}
except subprocess.CalledProcessError as e:
self.logger.error(f"Command failed: \\\\{e\\\\}")
raise
def status(self) -> Dict:
"""Get current status"""
return self.run_command(['status'])
def start(self) -> Dict:
"""Start service"""
return self.run_command(['start'])
def stop(self) -> Dict:
"""Stop service"""
return self.run_command(['stop'])
# Example usage
if __name__ == "__main__":
wrapper = ToolWrapper()
status = wrapper.status()
print(json.dumps(status, indent=2))
Environment Variables
Variable | Description | Default |
---|---|---|
REACT_CONFIG |
Configuration file path | ~/.react/config.yaml |
REACT_HOME |
Home directory | ~/.react |
REACT_LOG_LEVEL |
Logging level | INFO |
REACT_LOG_FILE |
Log file path | ~/.react/logs/react.log |
REACT_CACHE_DIR |
Cache directory | ~/.react/cache |
REACT_DATA_DIR |
Data directory | ~/.react/data |
REACT_TIMEOUT |
Default timeout | 30s |
REACT_MAX_WORKERS |
Maximum workers | 4 |
Configuration File
# ~/.react/config.yaml
version: "1.0"
# General settings
settings:
debug: false
verbose: false
log_level: "INFO"
log_file: "~/.react/logs/react.log"
timeout: 30
max_workers: 4
# Network configuration
network:
host: "localhost"
port: 8080
ssl: true
timeout: 30
retries: 3
# Security settings
security:
auth_required: true
api_key: ""
encryption: "AES256"
verify_ssl: true
# Performance settings
performance:
cache_enabled: true
cache_size: "100M"
cache_dir: "~/.react/cache"
max_memory: "1G"
# Monitoring settings
monitoring:
enabled: true
interval: 60
metrics_enabled: true
alerts_enabled: true
Examples
Basic Workflow
# 1. Initialize react
react init
# 2. Configure basic settings
react config set host example.com
react config set port 8080
# 3. Start service
react start
# 4. Check status
react status
# 5. Perform operations
react run --target example.com
# 6. View results
react results
# 7. Stop service
react stop
Advanced Workflow
# Comprehensive operation with monitoring
react run \
--config production.yaml \
--parallel \
--workers 8 \
--verbose \
--timeout 300 \
--output json \
--log-file operation.log
# Monitor in real-time
react monitor --real-time --interval 5
# Generate report
react report --type comprehensive --output report.html
Automation Example
#!/bin/bash
# Automated react workflow
# Configuration
TARGETS_FILE="targets.txt"
RESULTS_DIR="results/$(date +%Y-%m-%d)"
CONFIG_FILE="automation.yaml"
# Create results directory
mkdir -p "$RESULTS_DIR"
# Process each target
while IFS= read -r target; do
echo "Processing $target..."
react \
--config "$CONFIG_FILE" \
--output json \
--output-file "$RESULTS_DIR/$\\\\{target\\\\}.json" \
run "$target"
done < "$TARGETS_FILE"
# Generate summary report
react report summary \
--input "$RESULTS_DIR/*.json" \
--output "$RESULTS_DIR/summary.html"
Best Practices
Security
- Always verify checksums when downloading binaries
- Use strong authentication methods (API keys, certificates)
- Regularly update to the latest version
- Follow principle of least privilege
- Enable audit logging for compliance
- Use encrypted connections when possible
- Validate all inputs and configurations
- Implement proper access controls
Performance
- Use appropriate resource limits for your environment
- Monitor system performance regularly
- Optimize configuration for your use case
- Use parallel processing when beneficial
- Implement proper caching strategies
- Regular maintenance and cleanup
- Profile performance bottlenecks
- Use efficient algorithms and data structures
Operational
- Maintain comprehensive documentation
- Implement proper backup strategies
- Use version control for configurations
- Monitor and alert on critical metrics
- Implement proper error handling
- Use automation for repetitive tasks
- Regular security audits and updates
- Plan for disaster recovery
Development
- Follow coding standards and conventions
- Write comprehensive tests
- Use continuous integration/deployment
- Implement proper logging and monitoring
- Document APIs and interfaces
- Use version control effectively
- Review code regularly
- Maintain backward compatibility
Resources
Official Documentation
Community Resources
Learning Resources
- Getting Started Guide
- Tutorial Series
- Best Practices Guide
- Video Tutorials
- Training Courses
- Certification Program
Related Tools
- Git - Complementary functionality
- Docker - Alternative solution
- Kubernetes - Integration partner
Last updated: 2025-07-06|Edit on GitHub