From terminal:
ip addr show eth0 | grep inet | awk '{ print $2; }' | sed 's/\/.*$//'
console
Use a Different Color for the Root Shell Prompt
Linux only: This is an excellent tip that changes the prompt to red when using the root account from the terminal—as a reminder to be more careful. Using the tip is relatively simple—just edit the /root/.bashrc file and add in the following, preferably commenting out the existing lines that set the color, though you can simply add this line to the end of the file.