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K8S

Comprehensive k8s commands and workflows for DevOps and infrastructure management across all platforms.

Basic Commands

Command Description
k8s --version Show k8s version
k8s --help Display help information
k8s init Initialize k8s in current directory
k8s status Check current status
k8s list List available options
k8s info Display system information
k8s config Show configuration settings
k8s update Update to latest version
k8s start Start k8s service
k8s stop Stop k8s service
k8s restart Restart k8s service
k8s reload Reload configuration

Installation

Linux/Ubuntu

# Package manager installation
sudo apt update
sudo apt install k8s

# Alternative installation
wget https://github.com/example/k8s/releases/latest/download/k8s-linux
chmod +x k8s-linux
sudo mv k8s-linux /usr/local/bin/k8s

# Build from source
git clone https://github.com/example/k8s.git
cd k8s
make && sudo make install

macOS

# Homebrew installation
brew install k8s

# MacPorts installation
sudo port install k8s

# Manual installation
curl -L -o k8s https://github.com/example/k8s/releases/latest/download/k8s-macos
chmod +x k8s
sudo mv k8s /usr/local/bin/

Windows

# Chocolatey installation
choco install k8s

# Scoop installation
scoop install k8s

# Winget installation
winget install k8s

# Manual installation
# Download from https://github.com/example/k8s/releases
# Extract and add to PATH

Configuration

Command Description
k8s config show Display current configuration
k8s config list List all configuration options
k8s config set <key> <value> Set configuration value
k8s config get <key> Get configuration value
k8s config unset <key> Remove configuration value
k8s config reset Reset to default configuration
k8s config validate Validate configuration file
k8s config export Export configuration to file

Advanced Operations

File Operations

# Create new file/resource
k8s create <name>

# Read file/resource
k8s read <name>

# Update existing file/resource
k8s update <name>

# Delete file/resource
k8s delete <name>

# Copy file/resource
k8s copy <source> <destination>

# Move file/resource
k8s move <source> <destination>

# List all files/resources
k8s list --all

# Search for files/resources
k8s search <pattern>

Network Operations

# Connect to remote host
k8s connect <host>:<port>

# Listen on specific port
k8s listen --port <port>

# Send data to target
k8s send --target <host> --data "<data>"

# Receive data from source
k8s receive --source <host>

# Test connectivity
k8s ping <host>

# Scan network range
k8s scan <network>

# Monitor network traffic
k8s monitor --interface <interface>

# Proxy connections
k8s proxy --listen <port> --target <host>:<port>

Process Management

# Start background process
k8s start --daemon

# Stop running process
k8s stop --force

# Restart with new configuration
k8s restart --config <file>

# Check process status
k8s status --verbose

# Monitor process performance
k8s monitor --metrics

# Kill all processes
k8s killall

# Show running processes
k8s ps

# Manage process priority
k8s priority --pid <pid> --level <level>

Security Features

Authentication

# Login with username/password
k8s login --user <username>

# Login with API key
k8s login --api-key <key>

# Login with certificate
k8s login --cert <cert_file>

# Logout current session
k8s logout

# Change password
k8s passwd

# Generate new API key
k8s generate-key --name <key_name>

# List active sessions
k8s sessions

# Revoke session
k8s revoke --session <session_id>

Encryption

# Encrypt file
k8s encrypt --input <file> --output <encrypted_file>

# Decrypt file
k8s decrypt --input <encrypted_file> --output <file>

# Generate encryption key
k8s keygen --type <type> --size <size>

# Sign file
k8s sign --input <file> --key <private_key>

# Verify signature
k8s verify --input <file> --signature <sig_file>

# Hash file
k8s hash --algorithm <algo> --input <file>

# Generate certificate
k8s cert generate --name <name> --days <days>

# Verify certificate
k8s cert verify --cert <cert_file>

Monitoring and Logging

System Monitoring

# Monitor system resources
k8s monitor --system

# Monitor specific process
k8s monitor --pid <pid>

# Monitor network activity
k8s monitor --network

# Monitor file changes
k8s monitor --files <directory>

# Real-time monitoring
k8s monitor --real-time --interval 1

# Generate monitoring report
k8s report --type monitoring --output <file>

# Set monitoring alerts
k8s alert --threshold <value> --action <action>

# View monitoring history
k8s history --type monitoring

Logging

# View logs
k8s logs

# View logs with filter
k8s logs --filter <pattern>

# Follow logs in real-time
k8s logs --follow

# Set log level
k8s logs --level <level>

# Rotate logs
k8s logs --rotate

# Export logs
k8s logs --export <file>

# Clear logs
k8s logs --clear

# Archive logs
k8s logs --archive <archive_file>

Troubleshooting

Common Issues

Issue: Command not found

# Check if k8s is installed
which k8s
k8s --version

# Check PATH variable
echo $PATH

# Reinstall if necessary
sudo apt reinstall k8s
# or
brew reinstall k8s

Issue: Permission denied

# Run with elevated privileges
sudo k8s <command>

# Check file permissions
ls -la $(which k8s)

# Fix permissions
chmod +x /usr/local/bin/k8s

# Check ownership
sudo chown $USER:$USER /usr/local/bin/k8s

Issue: Configuration errors

# Validate configuration
k8s config validate

# Reset to default configuration
k8s config reset

# Check configuration file location
k8s config show --file

# Backup current configuration
k8s config export > backup.conf

# Restore from backup
k8s config import backup.conf

Issue: Service not starting

# Check service status
k8s status --detailed

# Check system logs
journalctl -u k8s

# Start in debug mode
k8s start --debug

# Check port availability
netstat -tulpn|grep <port>

# Kill conflicting processes
k8s killall --force

Debug Commands

Command Description
k8s --debug Enable debug output
k8s --verbose Enable verbose logging
k8s --trace Enable trace logging
k8s test Run built-in tests
k8s doctor Run system health check
k8s diagnose Generate diagnostic report
k8s benchmark Run performance benchmarks
k8s validate Validate installation and configuration

Performance Optimization

Resource Management

# Set memory limit
k8s --max-memory 1G <command>

# Set CPU limit
k8s --max-cpu 2 <command>

# Enable caching
k8s --cache-enabled <command>

# Set cache size
k8s --cache-size 100M <command>

# Clear cache
k8s cache clear

# Show cache statistics
k8s cache stats

# Optimize performance
k8s optimize --profile <profile>

# Show performance metrics
k8s metrics

Parallel Processing

# Enable parallel processing
k8s --parallel <command>

# Set number of workers
k8s --workers 4 <command>

# Process in batches
k8s --batch-size 100 <command>

# Queue management
k8s queue add <item>
k8s queue process
k8s queue status
k8s queue clear

Integration

Scripting

#!/bin/bash
# Example script using k8s

set -euo pipefail

# Configuration
CONFIG_FILE="config.yaml"
LOG_FILE="k8s.log"

# Check if k8s is available
if ! command -v k8s &> /dev/null; then
    echo "Error: k8s 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 k8s operation"

    if k8s --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"
    k8s 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
K8S_CONFIG Configuration file path ~/.k8s/config.yaml
K8S_HOME Home directory ~/.k8s
K8S_LOG_LEVEL Logging level INFO
K8S_LOG_FILE Log file path ~/.k8s/logs/k8s.log
K8S_CACHE_DIR Cache directory ~/.k8s/cache
K8S_DATA_DIR Data directory ~/.k8s/data
K8S_TIMEOUT Default timeout 30s
K8S_MAX_WORKERS Maximum workers 4

Configuration File

# ~/.k8s/config.yaml
version: "1.0"

# General settings
settings:
  debug: false
  verbose: false
  log_level: "INFO"
  log_file: "~/.k8s/logs/k8s.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: "~/.k8s/cache"
  max_memory: "1G"

# Monitoring settings
monitoring:
  enabled: true
  interval: 60
  metrics_enabled: true
  alerts_enabled: true

Examples

Basic Workflow

# 1. Initialize k8s
k8s init

# 2. Configure basic settings
k8s config set host example.com
k8s config set port 8080

# 3. Start service
k8s start

# 4. Check status
k8s status

# 5. Perform operations
k8s run --target example.com

# 6. View results
k8s results

# 7. Stop service
k8s stop

Advanced Workflow

# Comprehensive operation with monitoring
k8s run \
  --config production.yaml \
  --parallel \
  --workers 8 \
  --verbose \
  --timeout 300 \
  --output json \
  --log-file operation.log

# Monitor in real-time
k8s monitor --real-time --interval 5

# Generate report
k8s report --type comprehensive --output report.html

Automation Example

#!/bin/bash
# Automated k8s 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..."

    k8s \
        --config "$CONFIG_FILE" \
        --output json \
        --output-file "$RESULTS_DIR/$\\\\{target\\\\}.json" \
        run "$target"

done < "$TARGETS_FILE"

# Generate summary report
k8s 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

  • Git - Complementary functionality
  • Docker - Alternative solution
  • Kubernetes - Integration partner

Last updated: 2025-07-06|Edit on GitHub