Created
November 14, 2025 03:52
-
-
Save hitesh83/c140678288bd55600f0f94e33b2f5ca3 to your computer and use it in GitHub Desktop.
netplan
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/bin/bash | |
| # interactive_netplan.sh | |
| NETPLAN_FILE="/etc/netplan/01-netcfg.yaml" | |
| BACKUP_FILE="/etc/netplan/01-netcfg.yaml.bak" | |
| if [ -f "$NETPLAN_FILE" ]; then | |
| cp "$NETPLAN_FILE" "$BACKUP_FILE" | |
| echo "Backup created at $BACKUP_FILE" | |
| fi | |
| read -p "Enter interface name (e.g. eth0): " IFACE | |
| read -p "Use DHCP? (yes/no): " DHCP | |
| if [ "$DHCP" == "yes" ]; then | |
| cat <<EOF > $NETPLAN_FILE | |
| network: | |
| version: 2 | |
| ethernets: | |
| $IFACE: | |
| dhcp4: true | |
| EOF | |
| else | |
| read -p "Enter static IP (e.g. 192.168.1.100): " IPADDR | |
| read -p "Enter subnet prefix length (e.g. 24): " SUBNET | |
| read -p "Enter gateway (e.g. 192.168.1.1): " GATEWAY | |
| read -p "Enter nameservers (comma separated): " DNS | |
| cat <<EOF > $NETPLAN_FILE | |
| network: | |
| version: 2 | |
| ethernets: | |
| $IFACE: | |
| addresses: [$IPADDR/$SUBNET] | |
| gateway4: $GATEWAY | |
| nameservers: | |
| addresses: [${DNS// /}] | |
| EOF | |
| fi | |
| netplan apply | |
| echo "Netplan applied successfully for $IFACE" |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment