Add 'k3os-ipconfig.sh'

k3os-ipconfig.sh

@@ -0,0 +1,60 @@
+#!/bin/bash
+
+# --- k3OS Automated Static IP Configuration Script ---
+
+# Check if the script is run as root
+if [ "$EUID" -ne 0 ]; then
+  echo "Please run this script with sudo."
+  exit 1
+fi
+
+echo "--- Static IP Configuration for k3OS ---"
+
+# --- 1. Automatically Detect Network Interface ---
+# The primary interface is typically the one associated with the default gateway.
+IFACE=$(ip route | grep default | awk '{print $5}' | head -n 1)
+
+if [ -z "$IFACE" ]; then
+  echo "Error: Could not automatically detect a primary network interface."
+  echo "Please identify the correct interface name (e.g., eth0, enp0s3) and run the script again."
+  exit 1
+fi
+
+echo "Automatically detected primary interface: $IFACE"
+echo ""
+
+# --- 2. Prompt for IP Details ---
+read -p "Enter the Static IPv4 Address (e.g., 192.168.1.100): " IP_ADDR
+read -p "Enter the Netmask (e.g., 255.255.255.0): " NETMASK
+read -p "Enter the Gateway IP Address (e.g., 192.168.1.1): " GATEWAY
+read -p "Enter the Nameservers (space-separated, e.g., 1.1.1.1 8.8.8.8): " NAMESERVERS
+
+# --- 3. Format ConnMan IPv4 String ---
+# ConnMan's IPv4 format: <IP>/<NETMASK_LONG>/<GATEWAY>
+IPV4_CONFIG="${IP_ADDR}/${NETMASK}/${GATEWAY}"
+
+# --- 4. Generate and Write Configuration File ---
+CONFIG_FILE="/var/lib/connman/default.config"
+
+# Create the file content
+CONNMAN_CONFIG="[service_${IFACE}]
+Type=ethernet
+IPv4=${IPV4_CONFIG}
+IPv6=off
+Nameservers=${NAMESERVERS}"
+
+echo ""
+echo "--- Generated Configuration ---"
+echo "$CONNMAN_CONFIG"
+echo "-------------------------------"
+
+# Write to the file
+echo "$CONNMAN_CONFIG" | sudo tee "$CONFIG_FILE" > /dev/null
+
+if [ $? -eq 0 ]; then
+  echo "Successfully wrote static IP configuration for **$IFACE** to $CONFIG_FILE"
+  echo "You must now **reboot** the system for the changes to take effect."
+  echo "   (Run: 'sudo reboot')"
+else
+  echo "Error writing to $CONFIG_FILE."
+fi