NMCLI Static IP address setup

assign_static_ip.sh

#!/bin/bash

echo 'Name of connection to make static (select from "nmcli conn show"):'
read CONN_NAME
echo $CONN_NAME
echo

echo 'IP Address to assign:'
read IP_ADDRESS
echo IP_ADDRESS
echo

if nmcli con mod "$CONN_NAME" ipv4.addresses $IP_ADDRESS; then
    nmcli con mod "$CONN_NAME" ipv4.gateway $IP_ADDRESS
    nmcli con mod "$CONN_NAME" ipv4.method manual
    nmcli con up "$CONN_NAME"
    echo "IP Assignment complete."
else
    echo 'Unknown problem running "nmcli commands". Exit status: $?'
fi