hostname.sh

#!/bin/bash

#set -x

# pi-ap:	These scripts configure a Raspberry Pi into a wireless Access Point
# Source:	https://github.com/f1linux/pi-ap
# Version:	01.10.02
# License:	GPL 3.0

# Script Author:        Terrence Houlahan Linux & Network Engineer
# Contact:              houlahan@F1Linux.com
# Linkedin:				www.linkedin.com/in/terrencehoulahan


# Do not edit below sources
source "${BASH_SOURCE%/*}/variables.sh"
source "${BASH_SOURCE%/*}/functions.sh"


echo "Hostname CURRENT: $(hostname)"

# Change Hostname using variables in variables.sh:
hostnamectl set-hostname $OURHOSTNAME.$OURDOMAIN
systemctl restart systemd-hostnamed


echo
echo "Hostname NEW: $(hostname)"
echo

# hostnamectl does NOT update its own static ip:name mappings in /etc/hosts:
sed -i "s/127\.0\.1\.1.*/127\.0\.0\.1      $OURHOSTNAME $OURHOSTNAME.$OURDOMAIN/" /etc/hosts
sed -i "s/::1.*/::1     $OURHOSTNAME $OURHOSTNAME.$OURDOMAIN/" /etc/hosts