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