# run this
crontab -e

# run backups at 2:00
0 2 * * * /root/scripts/backup.sh

# daily updates at 3:00
0 3 * * * /scripts/update.sh

mkdir /root/backups
vim /root/scripts/backup.sh


#!/bin/bash
# what to backup
WEBROOT=/var/www/html

# where to backup to
BACKUPTO=/root/backups

# delete old backups?
DAYS2KEEP=30

echo "=== backup database ==="
for db in $(mysql -u root -e 'show databases' -s --skip-column-names); do
	echo "... backup $db"
	mysqldump $db | gzip > "$BACKUPTO/$(date +%Y-%m-%d)-$db.sql.gz";
done

echo "=== backup web root ==="
for FULLPATH in $WEBROOT/*; do
    if [ -d "$FULLPATH" ]; then
	BASENAME=$(basename $FULLPATH);

	BACKUPTO_FILE="$BACKUPTO/$(date '+%Y-%m-%d')_$BASENAME.tar.gz"

	echo "... backup $FULLPATH to $BACKUPTO_FILE"
 	tar fcz $BACKUPTO_FILE $FULLPATH
    fi
done

# uncomment, if the user want's backups older than 30 days to be deleted automatically
# echo "=== tidy up? (delete backups older than $DAYS2KEEP days==="
# output found filed
# find $BACKUPTO/*.tar.gz -mtime +$DAYS2KEEP -type f;
# delete found files
# find $BACKUPTO/*.gz -mtime +$DAYS2KEEP -type f -delete;

this will place database backups & files.tar.gz next to each other in the format:

ls -l /root/backups
2022-07-25-information_schema.sql.gz
2022-07-25-mysql.sql.gz
2022-07-25-performance_schema.sql.gz
2022-07-25-wordpress.sql.gz
2022-07-25_web_root.tar.gz

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