Attempting to use installerconfig for FreeBSD 15

http/freebsd-15-installerconfig

@@ -0,0 +1,56 @@
+# ==============================================================================
+# FreeBSD bsdinstall Scripting Configuration
+# ==============================================================================
+
+# 1. System & Partitioning Defaults
+KEYMAP="us.kbd"
+HOSTNAME="freebsd"
+DISTRIBUTIONS="kernel.txz base.txz"
+
+# Guided ZFS Installation Parameters
+# Note: Adjust 'da0' below if your hypervisor uses vtbd0 or ada0!
+ZFSBOOT_DISKS="da0"
+ZFSBOOT_VDEV_TYPE="stripe"
+ZFSBOOT_CONFIRM_POOL_CREATE="YES"
+
+# Timezone Configuration (US/Eastern)
+TIMEZONE="America/New_York"
+
+# Enabling Services (local_unbound, sshd, etc.)
+# Maps to your service choices during setup
+bsdinstall_services="sshd local_unbound"
+
+
+# ==============================================================================
+# Post-Installation Shell Script (Runs automatically in chroot)
+# ==============================================================================
+#!/bin/sh
+
+# Network configuration for the installed system
+echo 'ifconfig_DEFAULT="DHCP"' >> /etc/rc.conf
+
+# Set Root Password ('packer')
+echo "packer" | pw usermod root -h 0
+
+# Create 'xadmin' user in 'wheel' group with password 'packer'
+echo "packer" | pw useradd xadmin \
+  -c "Remote admin user" \
+  -g wheel \
+  -m \
+  -s /bin/sh \
+  -h 0
+
+# Install Packages (qemu-guest-agent, sudo)
+# ASSUMPTION: The system has internet access during post-install
+env ASSUME_ALWAYS_YES=YES pkg install -y qemu-guest-agent sudo
+
+# Sudoers configuration for xadmin
+mkdir -p /usr/local/etc/sudoers.d
+echo 'xadmin ALL=(ALL:ALL) NOPASSWD:ALL' > /usr/local/etc/sudoers.d/xadmin
+chmod 0440 /usr/local/etc/sudoers.d/xadmin
+
+# Enable QEMU Guest Agent service
+sysrc qemu_guest_agent_enable="YES"
+
+# Finalize and reboot system
+reboot