Show IP address on prelogin message

Feb 24, 2017

Bash script to show IP address on prelogin message.

#!/bin/bash

# Check if root

if [ `id -u` != 0 ]; then

echo "Run as root."

exit

# Create script

touch /etc/network/if-up.d/show_ip

chmod +x /etc/network/if-up.d/show_ip

# This will happen on boot.

cat > /etc/network/if-up.d/show_ip <<'_EOF'

#!/bin/bash

rm -rf /etc/issue && touch /etc/issue

lsb_release -sd >> /etc/issue

hostname -I >> /etc/issue

_EOF

echo "Job's Done!"