A simple bash script to set time and date on ubuntu server

set_time_date.sh

#!/bin/bash

#################################################################################################
# A simple script to set time and date on a ubuntu server                                       #
#                                                                                               #
# Adapted from this short article:                                                              #
# https://www.garron.me/en/linux/set-time-date-timezone-ntp-linux-shell-gnome-command-line.html #
#                                                                                               #
# How to run:                                                                                   #
# 'sudo bash set_time_date.sh'                                                                  #
#                                                                                               #
#################################################################################################

id -u | grep -q ^0$ || { echo "you need to be root"; exit 1; }

echo "============================="
echo "Lets fix date"
echo "============================="

read -p "Please provide date (format=YYYYMMDD): "
date +%Y%m%d -s "$REPLY"

echo "============================="
echo "Lets fix time"
echo "============================="

read -p "Set time (format=HH:MM:SS): "
date +%T -s "$REPLY"

echo "successfully set date and time to: "
date