Fix PowerShell encoding issues: Add English-only version

- Add farmq-install-en.ps1 with UTF-8 encoding support
- Remove Korean characters to prevent PowerShell encoding issues
- Use ASCII-only status indicators ([*], [+], [!])
- Maintain all functionality while ensuring compatibility

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

farmq-install-en.ps1

@@ -0,0 +1,481 @@
+# FARMQ Headscale Windows One-Click Installation Script
+# Usage: Run in Administrator PowerShell
+# iex ((New-Object System.Net.WebClient).DownloadString('https://git.0bin.in/.../farmq-install-en.ps1'))
+
+param(
+    [switch]$Force,
+    [string]$HeadscaleServer = "https://head.0bin.in",
+    [string]$PreAuthKey = "8b3df41d37cb158ea39f41fc32c9af46e761de817ad06038",
+    [string]$FarmqNetwork = "100.64.0.0/10"
+)
+
+# Set console to support Unicode characters
+$PSDefaultParameterValues['*:Encoding'] = 'utf8'
+if ($PSVersionTable.PSVersion.Major -ge 6) {
+    $PSDefaultParameterValues['Out-File:Encoding'] = 'utf8'
+}
+
+# ================================
+# Color Output Functions
+# ================================
+function Write-Header {
+    param([string]$Text)
+    Write-Host ""
+    Write-Host "============================================" -ForegroundColor Magenta
+    Write-Host $Text -ForegroundColor White
+    Write-Host "============================================" -ForegroundColor Magenta
+    Write-Host ""
+}
+
+function Write-Status {
+    param([string]$Message)
+    Write-Host ""
+    Write-Host "[*] $Message" -ForegroundColor Blue
+}
+
+function Write-Success {
+    param([string]$Message)
+    Write-Host ""
+    Write-Host "[+] $Message" -ForegroundColor Green
+}
+
+function Write-Error {
+    param([string]$Message)
+    Write-Host ""
+    Write-Host "[!] ERROR: $Message" -ForegroundColor Red
+}
+
+function Write-Warning {
+    param([string]$Message)
+    Write-Host ""
+    Write-Host "[!] WARNING: $Message" -ForegroundColor Yellow
+}
+
+function Write-Info {
+    param([string]$Message)
+    Write-Host ""
+    Write-Host "[i] $Message" -ForegroundColor Cyan
+}
+
+# ================================
+# System Requirements Check
+# ================================
+function Test-Requirements {
+    Write-Status "Checking system requirements..."
+    
+    # Check administrator privileges
+    $currentUser = [Security.Principal.WindowsIdentity]::GetCurrent()
+    $principal = New-Object Security.Principal.WindowsPrincipal($currentUser)
+    
+    if (-NOT $principal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
+        Write-Error "This script requires administrator privileges."
+        Write-Info "Please restart using one of these methods:"
+        Write-Info "1. Windows Key + X -> 'Windows PowerShell (Admin)'"
+        Write-Info "2. Right-click PowerShell -> 'Run as Administrator'"
+        Write-Host ""
+        Read-Host "Press any key to exit..."
+        exit 1
+    }
+    
+    # Check Windows version
+    $osVersion = [System.Environment]::OSVersion.Version
+    if ($osVersion.Major -lt 10) {
+        Write-Warning "Windows 10 or later recommended. Current: Windows $($osVersion.Major).$($osVersion.Minor)"
+    }
+    
+    # Check internet connection
+    try {
+        Test-Connection "8.8.8.8" -Count 1 -Quiet | Out-Null
+    }
+    catch {
+        Write-Warning "Please check your internet connection."
+    }
+    
+    Write-Success "System requirements check completed"
+}
+
+# ================================
+# Install Tailscale
+# ================================
+function Install-Tailscale {
+    Write-Status "Checking Tailscale installation..."
+    
+    # Check existing installation
+    $tailscalePath = Get-Command "tailscale" -ErrorAction SilentlyContinue
+    if ($tailscalePath) {
+        $version = & tailscale version 2>$null | Select-Object -First 1
+        Write-Info "Tailscale is already installed."
+        Write-Info "Current version: $version"
+        return
+    }
+    
+    Write-Info "Installing Tailscale for Windows..."
+    
+    # Temporary download path
+    $tempPath = "$env:TEMP\tailscale-setup.exe"
+    $downloadUrl = "https://pkgs.tailscale.com/stable/tailscale-setup.exe"
+    
+    try {
+        Write-Status "Downloading Tailscale..."
+        Invoke-WebRequest -Uri $downloadUrl -OutFile $tempPath -UseBasicParsing
+        
+        Write-Status "Installing Tailscale... (please wait)"
+        Start-Process -FilePath $tempPath -ArgumentList "/S" -Wait
+        
+        # Refresh PATH environment variable
+        $env:Path = [System.Environment]::GetEnvironmentVariable("Path","Machine") + ";" + [System.Environment]::GetEnvironmentVariable("Path","User")
+        
+        # Verify installation
+        Start-Sleep -Seconds 3
+        $tailscaleInstalled = Get-Command "tailscale" -ErrorAction SilentlyContinue
+        if (-not $tailscaleInstalled) {
+            # Try direct path
+            $tailscaleExe = "C:\Program Files\Tailscale\tailscale.exe"
+            if (Test-Path $tailscaleExe) {
+                # Add Tailscale to PATH
+                $currentPath = [Environment]::GetEnvironmentVariable("Path", "Machine")
+                if ($currentPath -notlike "*Tailscale*") {
+                    [Environment]::SetEnvironmentVariable("Path", "$currentPath;C:\Program Files\Tailscale", "Machine")
+                    $env:Path = "$env:Path;C:\Program Files\Tailscale"
+                }
+            }
+        }
+        
+        Remove-Item $tempPath -Force -ErrorAction SilentlyContinue
+        Write-Success "Tailscale installation completed"
+        
+    }
+    catch {
+        Write-Error "Tailscale installation failed: $($_.Exception.Message)"
+        throw
+    }
+}
+
+# ================================
+# Start Tailscale Service
+# ================================
+function Start-TailscaleService {
+    Write-Status "Starting Tailscale service..."
+    
+    try {
+        # Start Tailscale service
+        $service = Get-Service -Name "Tailscale" -ErrorAction SilentlyContinue
+        if ($service) {
+            if ($service.Status -ne "Running") {
+                Start-Service -Name "Tailscale"
+                Start-Sleep -Seconds 3
+            }
+            Write-Success "Tailscale service is running."
+        } else {
+            Write-Warning "Tailscale service not found. Attempting manual start..."
+        }
+    }
+    catch {
+        Write-Warning "Failed to start service: $($_.Exception.Message)"
+    }
+}
+
+# ================================
+# Register with Headscale
+# ================================
+function Register-Headscale {
+    Write-Status "Registering with Headscale server..."
+    
+    # Find Tailscale executable path
+    $tailscaleCmd = Get-Command "tailscale" -ErrorAction SilentlyContinue
+    if (-not $tailscaleCmd) {
+        $tailscaleExe = "C:\Program Files\Tailscale\tailscale.exe"
+        if (Test-Path $tailscaleExe) {
+            $tailscaleCmd = @{Source = $tailscaleExe}
+        } else {
+            Write-Error "Tailscale executable not found."
+            return $false
+        }
+    }
+    
+    $tailscalePath = $tailscaleCmd.Source
+    
+    # Check existing connection
+    try {
+        $status = & $tailscalePath status 2>$null
+        if ($LASTEXITCODE -eq 0 -and $status) {
+            Write-Warning "Already connected to Tailscale/Headscale network."
+            
+            # Show current connection status
+            Write-Info "Current connection status:"
+            $status | Select-Object -First 5 | ForEach-Object { Write-Host "  $_" -ForegroundColor Gray }
+            
+            # Check force registration option
+            if ($Force) {
+                Write-Warning "Force registration option is enabled."
+                Write-Info "Disconnecting existing connection and re-registering..."
+            } else {
+                $response = Read-Host "Disconnect existing connection and register with FARMQ Headscale? (Y/n)"
+                if ($response -eq "" -or $response -match "^[Yy]") {
+                    Write-Info "Disconnecting existing connection..."
+                } else {
+                    Write-Info "Skipping registration."
+                    return $true
+                }
+            }
+            
+            # Disconnect existing connection
+            try {
+                & $tailscalePath logout 2>$null
+                Start-Sleep -Seconds 3
+                Write-Success "Existing connection disconnected."
+            }
+            catch {
+                Write-Warning "Error during disconnection, but continuing..."
+            }
+        }
+    }
+    catch {
+        # Not connected (normal)
+    }
+    
+    Write-Info "Headscale Server: $HeadscaleServer"
+    Write-Info "Pre-auth Key: $($PreAuthKey.Substring(0,8))***************"
+    
+    # Attempt Headscale registration
+    Write-Status "Executing registration command..."
+    
+    try {
+        $arguments = @(
+            "up",
+            "--login-server=$HeadscaleServer",
+            "--authkey=$PreAuthKey",
+            "--accept-routes",
+            "--accept-dns=false"
+        )
+        
+        & $tailscalePath $arguments
+        
+        if ($LASTEXITCODE -eq 0) {
+            Write-Success "Headscale registration successful!"
+            return $true
+        } else {
+            Write-Error "Automatic registration failed."
+            Write-Info "Manual registration command:"
+            Write-Host "tailscale up --login-server=`"$HeadscaleServer`" --authkey=`"$PreAuthKey`""
+            return $false
+        }
+    }
+    catch {
+        Write-Error "Registration error: $($_.Exception.Message)"
+        return $false
+    }
+}
+
+# ================================
+# Configure Firewall
+# ================================
+function Configure-Firewall {
+    Write-Status "Configuring firewall settings..."
+    
+    try {
+        # Add Windows Defender firewall exception
+        $ruleName = "Tailscale-FARMQ"
+        $existingRule = Get-NetFirewallRule -DisplayName $ruleName -ErrorAction SilentlyContinue
+        
+        if (-not $existingRule) {
+            New-NetFirewallRule -DisplayName $ruleName -Direction Inbound -Protocol UDP -LocalPort 41641 -Action Allow -Profile Any | Out-Null
+            New-NetFirewallRule -DisplayName "$ruleName-Outbound" -Direction Outbound -Protocol UDP -LocalPort 41641 -Action Allow -Profile Any | Out-Null
+            Write-Info "Windows Defender firewall exceptions added."
+        }
+        
+        Write-Success "Firewall configuration completed"
+    }
+    catch {
+        Write-Warning "Firewall configuration error: $($_.Exception.Message)"
+        Write-Info "Please manually allow Tailscale through Windows firewall."
+    }
+}
+
+# ================================
+# Verify Connection
+# ================================
+function Test-Connection {
+    Write-Status "Verifying network connection..."
+    
+    Start-Sleep -Seconds 5
+    
+    # Find Tailscale executable path
+    $tailscaleCmd = Get-Command "tailscale" -ErrorAction SilentlyContinue
+    if (-not $tailscaleCmd) {
+        $tailscaleExe = "C:\Program Files\Tailscale\tailscale.exe"
+        if (Test-Path $tailscaleExe) {
+            $tailscaleCmd = @{Source = $tailscaleExe}
+        } else {
+            Write-Error "Tailscale executable not found."
+            return
+        }
+    }
+    
+    $tailscalePath = $tailscaleCmd.Source
+    
+    try {
+        $status = & $tailscalePath status 2>$null
+        if ($LASTEXITCODE -ne 0 -or -not $status) {
+            Write-Error "Tailscale connection issue detected."
+            return
+        }
+        
+        # Get IP addresses
+        $ipv4 = & $tailscalePath ip -4 2>$null
+        $ipv6 = & $tailscalePath ip -6 2>$null
+        
+        Write-Success "Headscale network connection completed!"
+        Write-Info "Assigned IPv4: $(if($ipv4){$ipv4}else{'N/A'})"
+        Write-Info "Assigned IPv6: $(if($ipv6){$ipv6}else{'N/A'})"
+        
+        # Network connectivity test
+        Write-Status "Testing network connectivity..."
+        
+        try {
+            Test-Connection "100.64.0.1" -Count 2 -Quiet | Out-Null
+            Write-Success "FARMQ network ($FarmqNetwork) connection successful!"
+        }
+        catch {
+            Write-Warning "Network test failed. Please check firewall settings."
+        }
+        
+        # Show connected nodes
+        Write-Info "Network status:"
+        $status | Select-Object -First 10 | ForEach-Object { 
+            Write-Host "  $_" -ForegroundColor Gray
+        }
+    }
+    catch {
+        Write-Error "Connection verification failed: $($_.Exception.Message)"
+    }
+}
+
+# ================================
+# Cleanup
+# ================================
+function Complete-Installation {
+    Write-Status "Completing installation..."
+    
+    # Clean temporary files
+    Get-ChildItem "$env:TEMP\tailscale*" -ErrorAction SilentlyContinue | Remove-Item -Force -ErrorAction SilentlyContinue
+    
+    Write-Success "Cleanup completed"
+}
+
+# ================================
+# Show Final Information
+# ================================
+function Show-FinalInfo {
+    Write-Header "FARMQ Headscale Windows Installation Complete!"
+    
+    # System information
+    $computerName = $env:COMPUTERNAME
+    $tailscaleCmd = Get-Command "tailscale" -ErrorAction SilentlyContinue
+    if (-not $tailscaleCmd) {
+        $tailscaleExe = "C:\Program Files\Tailscale\tailscale.exe"
+        if (Test-Path $tailscaleExe) {
+            $tailscaleCmd = @{Source = $tailscaleExe}
+        }
+    }
+    
+    if ($tailscaleCmd) {
+        $tailscaleIP = & $tailscaleCmd.Source ip -4 2>$null
+    }
+    
+    $osVersion = [System.Environment]::OSVersion.Version
+    
+    Write-Host "Installation completed successfully!" -ForegroundColor Green
+    Write-Host ""
+    
+    Write-Host "System Information:" -ForegroundColor Cyan
+    Write-Host "   Computer Name: $computerName"
+    Write-Host "   Tailscale IP: $(if($tailscaleIP){$tailscaleIP}else{'N/A'})"
+    Write-Host "   OS: Windows $($osVersion.Major).$($osVersion.Minor)"
+    Write-Host "   Headscale Server: $HeadscaleServer"
+    
+    Write-Host ""
+    Write-Host "Useful Commands:" -ForegroundColor Yellow
+    Write-Host "   tailscale status       # Check connection status"
+    Write-Host "   tailscale ip          # Show assigned IP"
+    Write-Host "   tailscale ping <node> # Test connection to other nodes"
+    Write-Host "   tailscale logout      # Disconnect from network"
+    
+    Write-Host ""
+    Write-Host "FARMQ Management Pages:" -ForegroundColor Magenta
+    Write-Host "   http://192.168.0.151:5002"
+    Write-Host "   http://192.168.0.151:5002/vms (VM Management)"
+    
+    Write-Host ""
+    Write-Host "If you encounter issues, check:" -ForegroundColor White
+    Write-Host "   1. Windows Firewall settings"
+    Write-Host "   2. Antivirus software exceptions"
+    Write-Host "   3. Corporate network policies"
+    
+    Write-Header "Installation Complete - You can now use FARMQ network!"
+}
+
+# ================================
+# Main Function
+# ================================
+function Main {
+    # Stop on errors
+    $ErrorActionPreference = "Stop"
+    
+    Write-Header "FARMQ Headscale Windows One-Click Installation"
+    
+    try {
+        # Installation process
+        Test-Requirements
+        Install-Tailscale
+        Start-TailscaleService
+        $registerSuccess = Register-Headscale
+        
+        if ($registerSuccess) {
+            Configure-Firewall
+            Test-Connection
+            Complete-Installation
+            Show-FinalInfo
+        } else {
+            Write-Warning "Registration failed but Tailscale is installed."
+            Write-Info "Please complete registration manually."
+        }
+        
+    }
+    catch {
+        Write-Error "Installation error occurred: $($_.Exception.Message)"
+        Write-Info "If the problem persists, please contact administrator."
+        Write-Host ""
+        Read-Host "Press any key to exit..."
+        exit 1
+    }
+}
+
+# ================================
+# Script Execution
+# ================================
+
+# Handle parameters
+if ($args -contains "--help" -or $args -contains "-h") {
+    Write-Host "FARMQ Headscale Windows Installation Script"
+    Write-Host ""
+    Write-Host "Usage:"
+    Write-Host "  iex ((New-Object System.Net.WebClient).DownloadString('https://git.0bin.in/.../farmq-install-en.ps1'))"
+    Write-Host ""
+    Write-Host "Options:"
+    Write-Host "  -Force          Force disconnect existing connection and re-register"
+    Write-Host "  -HeadscaleServer Server address (default: https://head.0bin.in)"
+    Write-Host ""
+    Write-Host "Examples:"
+    Write-Host "  # Force re-registration"
+    Write-Host "  `$Force = `$true; iex ((New-Object System.Net.WebClient).DownloadString('https://git.0bin.in/.../farmq-install-en.ps1'))"
+    exit 0
+}
+
+# Handle Force parameter from URL or variable
+if ($MyInvocation.MyCommand.Path -like "*force=1*" -or (Get-Variable -Name "ForceInstall" -ErrorAction SilentlyContinue)) {
+    $Force = $true
+}
+
+# Execute main function
+Main