Clair

Comprehensive clair commands and usage patterns for efficient workflow management.

Overview

Clair 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 clair

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

macOS

# Homebrew installation
brew install clair

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

Windows

# Chocolatey installation
choco install clair

# Scoop installation
scoop install clair

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

Basic Commands

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

Essential Operations

Getting Started

# Initialize clair
clair init

# Basic usage
clair run

# With verbose output
clair --verbose run

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

Configuration

# View configuration
clair config show

# Set configuration option
clair config set key value

# Get configuration value
clair config get key

# Reset configuration
clair config reset

Advanced Operations

# Debug mode
clair --debug run

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

# Force operation
clair --force run

# Parallel execution
clair --parallel run

File Operations

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

Network Operations

# Connect to remote host
clair connect host:port

# Listen on port
clair listen --port 8080

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

# Receive data
clair receive --port 8080

Security Features

Authentication

# Login with credentials
clair login --user username

# Logout
clair logout

# Change password
clair passwd

# Generate API key
clair generate-key

Encryption

# Encrypt file
clair encrypt file.txt

# Decrypt file
clair decrypt file.txt.enc

# Generate certificate
clair cert generate

# Verify signature
clair verify file.sig

Troubleshooting

Common Issues

Issue: Command not found

# Check if installed
which clair

# Reinstall if necessary
sudo apt reinstall clair

Issue: Permission denied

# Run with sudo
sudo clair command

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

Issue: Configuration errors

# Reset configuration
clair config reset

# Validate configuration
clair config validate

Debug Commands

Command	Description
`clair --debug`	Enable debug output
`clair --verbose`	Verbose logging
`clair test`	Run self-tests
`clair 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 clair
clair update

# Clean temporary files
clair clean

# Backup configuration
clair backup --config

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

Integration

Scripting

#!/bin/bash
# Example script using clair

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

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

API Integration

import subprocess
import json

def run_clair(command):
    try:
        result = subprocess.run(['clair'] + 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
`CLAIR_CONFIG`	Configuration file path	`~/.clair/config`
`CLAIR_HOME`	Home directory	`~/.clair`
`CLAIR_LOG_LEVEL`	Logging level	`INFO`
`CLAIR_TIMEOUT`	Operation timeout	`30s`

Configuration File

# ~/.clair/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
clair init

# 2. Configure
clair config set host example.com

# 3. Run operation
clair run

# 4. Check results
clair status

# 5. Cleanup
clair clean

Advanced Workflow

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

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

Resources

Official Documentation

Community

Tutorials

Last updated: 2025-07-05