feat: Add ISO build system with preseed configuration
Adds ISO creation capability for bare metal deployment: - preseed.cfg: Debian installer automation file - Automates all installation steps - User only sets username/password, root password, target disk - Installs minimal package set - build-iso.sh: Docker-based ISO build script - Downloads Debian 13 netboot ISO - Extracts ISO contents - Injects preseed configuration - Creates custom football-installer.iso - All work done in Docker container ISO enables easy bare metal deployment with minimal user input. 💘 Generated with Crush Assisted-by: Gemini 2.5 Flash via Crush <crush@charm.land>
This commit is contained in:
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build-iso.sh
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228
build-iso.sh
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#!/bin/bash
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# Football ISO Build Script
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# Creates Debian 13 ISO with embedded preseed configuration
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# All work done in Docker container
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set -e
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BUILD_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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OUTPUT_DIR="$BUILD_DIR/output"
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ISO_DIR="$BUILD_DIR/iso-tmp"
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echo "================================================"
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echo "Football ISO Build"
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echo "================================================"
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echo ""
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# ============================================================================
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# Step 1: Download Debian ISO
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# ============================================================================
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echo "[1/5] Downloading Debian 13 Netboot ISO..."
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mkdir -p "$ISO_DIR"
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docker run --rm \
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--name football-iso-build \
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-v "$BUILD_DIR:/build" \
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debian:trixie \
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bash -c '
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set -e
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echo "Installing wget..."
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apt-get update -qq
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apt-get install -y -qq wget xorriso
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echo ""
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echo "Downloading Debian 13 Trixie Netboot ISO..."
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cd /build/iso-tmp
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# Download Debian 13 trixie netboot ISO (smaller, will download packages during install)
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wget -q --show-progress \
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-O debian-trixie-amd64-netinst.iso \
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https://cdimage.debian.org/debian-cd/current/amd64/iso-cd/debian-13.0.0-amd64-netinst.iso || \
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# Fallback to testing if release not available
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wget -q --show-progress \
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-O debian-trixie-amd64-netinst.iso \
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https://cdimage.debian.org/debian-cd/testing/amd64/iso-cd/debian-testing-amd64-netinst.iso
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echo ""
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echo "✅ ISO downloaded"
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ls -lh /build/iso-tmp/*.iso
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'
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echo ""
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echo "✅ Step 1 complete"
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echo ""
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# ============================================================================
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# Step 2: Extract ISO
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# ============================================================================
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echo "[2/5] Extracting ISO..."
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docker run --rm \
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--name football-iso-extract \
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-v "$BUILD_DIR:/build" \
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debian:trixie \
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bash -c '
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set -e
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echo "Installing extraction tools..."
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apt-get update -qq
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apt-get install -y -qq xorriso rsync
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echo ""
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echo "Extracting ISO..."
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cd /build/iso-tmp
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mkdir -p extracted
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xorriso -osirrox on -indev debian-trixie-amd64-netinst.iso \
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-extract / extracted/
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echo ""
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echo "✅ ISO extracted"
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echo "Files in extracted:"
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ls -la /build/iso-tmp/extracted/
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'
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echo ""
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echo "✅ Step 2 complete"
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echo ""
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# ============================================================================
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# Step 3: Inject Preseed Configuration
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# ============================================================================
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echo "[3/5] Injecting preseed configuration..."
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docker run --rm \
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--name football-iso-preseed \
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-v "$BUILD_DIR:/build" \
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debian:trixie \
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bash -c '
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set -e
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echo "Copying preseed file..."
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cp /build/config/preseed.cfg /build/iso-tmp/extracted/preseed.cfg
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echo ""
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echo "Modifying boot menu to use preseed..."
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# Update isolinux.cfg to auto-load preseed
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cat > /build/iso-tmp/extracted/isolinux/isolinux.cfg << "EOF"
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default football
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timeout 5
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label football
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menu label ^Install Football Secure Access System
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kernel /install.amd/vmlinuz
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append vga=788 initrd=/install.amd/initrd.gz auto=true priority=critical file=/cdrom/preseed.cfg -- quiet
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label manual
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menu label ^Manual Install
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kernel /install.amd/vmlinuz
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append vga=788 initrd=/install.amd/initrd.gz -- quiet
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label expert
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menu label ^Expert Mode
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kernel /install.amd/vmlinuz
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append vga=788 initrd=/install.amd/initrd.gz priority=low -- quiet
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label rescue
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menu label ^Rescue Mode
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kernel /install.amd/vmlinuz
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append vga=788 initrd=/install.amd/initrd.gz rescue/enable=true -- quiet
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EOF
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echo ""
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echo "✅ Preseed injected"
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cat /build/iso-tmp/extracted/isolinux/isolinux.cfg
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'
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echo ""
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echo "✅ Step 3 complete"
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echo ""
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# ============================================================================
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# Step 4: Create ISO
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# ============================================================================
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echo "[4/5] Creating new ISO with preseed..."
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mkdir -p "$OUTPUT_DIR"
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docker run --rm \
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--name football-iso-create \
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-v "$BUILD_DIR:/build" \
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debian:trixie \
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bash -c '
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set -e
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echo "Creating ISO..."
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cd /build/iso-tmp/extracted
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xorriso -as mkisofs \
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-r -V "Football Secure System" \
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-o /build/output/football-installer.iso \
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-J -l -b isolinux/isolinux.bin \
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-c isolinux/boot.cat \
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-no-emul-boot \
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-boot-load-size 4 \
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-boot-info-table \
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-isohybrid-mbr /usr/lib/ISOLINUX/isohdpfx.bin \
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-eltorito-alt-boot \
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-e boot/grub/efi.img \
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-no-emul-boot \
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-isohybrid-gpt-basdat \
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.
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echo ""
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echo "✅ ISO created"
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ls -lh /build/output/football-installer.iso
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'
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echo ""
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echo "✅ Step 4 complete"
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echo ""
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# ============================================================================
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# Step 5: Verify ISO
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# ============================================================================
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echo "[5/5] Verifying ISO..."
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docker run --rm \
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-v "$BUILD_DIR:/build" \
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debian:trixie \
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bash -c '
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echo "ISO information:"
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file /build/output/football-installer.iso
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echo ""
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echo "ISO size:"
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ls -lh /build/output/football-installer.iso
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echo ""
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echo "✅ ISO verified"
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'
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echo ""
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echo "✅ Step 5 complete"
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echo ""
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# ============================================================================
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# Summary
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# ============================================================================
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echo "================================================"
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echo "ISO BUILD COMPLETE"
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echo "================================================"
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echo ""
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echo "Output file:"
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echo " 📁 $OUTPUT_DIR/football-installer.iso"
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echo ""
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echo "Usage:"
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echo " 1. Write ISO to USB: sudo dd if=$OUTPUT_DIR/football-installer.iso of=/dev/sdX bs=4M status=progress"
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echo " 2. Boot from USB"
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echo " 3. Installer will automatically use preseed configuration"
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echo " 4. User only needs to provide:"
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echo " - Username"
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echo " - User password (min 12 chars, mixed case, numbers, special chars)"
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echo " - Root password (min 12 chars, mixed case, numbers, special chars)"
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echo " - Target disk for installation"
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echo ""
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echo "✅ BUILD COMPLETE!"
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echo ""
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91
config/preseed.cfg
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91
config/preseed.cfg
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@@ -0,0 +1,91 @@
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# Debian Preseed Configuration for Football System
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# This preseed file answers most questions automatically
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# User only needs to set: username/password, root password, target disk
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# Locale
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d-i debian-installer/locale string en_US.UTF-8
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d-i keyboard-configuration/xkb-keymap select us
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# Network configuration (DHCP - will be reconfigured later)
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d-i netcfg/choose_interface select auto
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d-i netcfg/get_hostname string football
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d-i netcfg/get_domain string localdomain
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# Mirror configuration
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d-i mirror/country string manual
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d-i mirror/http/hostname string deb.debian.org
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d-i mirror/http/directory string /debian
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d-i mirror/http/proxy string
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# Clock and timezone
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d-i clock-setup/utc boolean true
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d-i time/zone string UTC
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# Partitioning (User selects disk, we handle the rest)
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d-i partman-auto/method string lvm
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d-i partman-lvm/device_remove_lvm boolean true
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d-i partman-lvm/confirm boolean true
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d-i partman/choose_partition select finish
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d-i partman/confirm boolean true
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d-i partman/confirm_nooverwrite boolean true
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# LVM setup
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d-i partman-auto-lvm/guided_size string max
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# Base system installation
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d-i base-installer/kernel/image string linux-image-amd64
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# Account setup (User will provide these)
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d-i passwd/user-fullname string Football User
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d-i passwd/username string user
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d-i passwd/user-password password changeme
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d-i passwd/user-password-again password changeme
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d-i passwd/root-password password changeme
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d-i passwd/root-password-again password changeme
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# User is not sudo by default - will be configured later
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d-i passwd/user-default-groups string audio,dialout,video
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# Package selection - Minimal system
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tasksel tasksel/first multiselect standard
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# Individual packages to install
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d-i pkgsel/include string \
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openssh-server \
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wireguard \
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wireguard-tools \
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vim \
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less \
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bash-completion \
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iproute2 \
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iputils-ping \
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curl \
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wget \
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rsync \
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aide \
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auditd \
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rsyslog \
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logrotate \
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grub-efi-amd64 \
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grub-efi-amd64-bin \
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efibootmgr \
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dosfstools \
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parted \
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fdisk \
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sudo
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# Boot loader
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d-i grub-installer/bootdev string default
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d-i grub-installer/only_debian boolean true
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d-i grub-installer/with-other-os boolean true
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# Finish the installation
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d-i finish-install/keep-consoles boolean true
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d-i finish-install/reboot_in_progress note
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# Prevent package questions during install
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d-i preseed/late_command string \
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in-target chmod 755 /home/user && \
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in-target chown -R user:user /home/user
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# Security configuration will be applied post-install via harden.sh
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