Simple bash backup script

#!/bin/bash
#RS="/var/www/html/cicaf/ /var/www/html/studycn/"
DIRS="/var/log/apache2/"

# Store todays date
NOW="Azure"

# Store backup path
BACKUP="/usr/up/$NOW"

# Backup file name hostname.time.tar.gz
BFILE="$(hostname).tar.gz"
#PFILE="$(hostname).$(date +'%T').pg.sql.gz"
MFILE="$(hostname).mysql.sq.gz"

# Set MySQL username and password
MYSQLUSER="root"
MYSQLPASSWORD="N6nAXEJcj1"

# Remote SSH server setup
SSHSERVER="x.x.x.x"        # your remote ssh server
SSHUSER="aietix"                 # username
SSHDUMPDIR="/storage/backups"    # remote ssh server directory to store dumps

# Paths for binary files
TAR="/bin/tar"
PGDUMP="/usr/bin/pg_dump"
MYSQLDUMP="/usr/bin/mysqldump"
GZIP="/bin/gzip"
SCP="/usr/bin/scp"
SSH="/usr/bin/ssh"
LOGGER="/usr/bin/logger"

# make sure backup directory exists
[ ! -d $BACKUP ] &&  mkdir -p ${BACKUP}

# Log backup start time in /var/log/messages
$LOGGER "$0: *** Backup started @ $(date) ***"

# Backup websever dirs
$TAR -zcvf ${BACKUP}/${BFILE} "${DIRS}"


# Backup MySQL
$MYSQLDUMP  -u ${MYSQLUSER} -h localhost -p${MYSQLPASSWORD} --all-databases | $GZIP -9 > ${BACKUP}/${MFILE}

# Dump all local files to failsafe remote UNIX ssh server / home server
$SSH ${SSHUSER}@${SSHSERVER}  mkdir -p ${SSHDUMPDIR}/${NOW}
$SCP -r ${BACKUP}/* ${SSHUSER}@${SSHSERVER}:${SSHDUMPDIR}/${NOW}

# Log backup end time in /var/log/messages
$LOGGER "$0: *** Backup Ended @ $(date) ***"