BASH: Install MYSQL On Raspberry Pi

install_mysql_pi.sh

#!/bin/bash

# *********************************************
# FILENAME: install_mysql_pi.sh
# DATE: Sep 2021
# AUTHOR: RCombs
#
# PURPOSE: Install mysql Client on Raspberry Pi
# *********************************************

if [ "$EUID" -ne 0 ]
  then echo "Please run as root.  Exiting..."
  exit
fi

exec 3>&1 4>&2
trap 'exec 2>&4 1>&3' 0 1 2 3
#exec 1>$log 2>&1
set -xv


NOW=$( date '+%F_%H:%M:%S' )
log=/NAS/nagios/install-logs/$(hostname)_mysql_log_file_$NOW.log
touch $log
date >> $log
echo "$(date) : MySQL installation to $(hostname) starting..." >&3

echo "Installing the mySQL client..." >&3
sleep 2
apt update
sleep 2
apt install mariadb-client -y
echo "mySQL client installed."

if ! test -f /home/pi/.my.cnf; then
	cp /NAS/nagios/.my.cnf /home/pi/.my.cnf
	echo "Credentials file copied"
	echo
fi
echo "$(date) : mySQL Client installation to $(hostname) completed." >&3
echo "Please see $log for details"