MariaDB backup
/usr/local/sbin/mysql-backup
#!/bin/bash
TS=$(date '+%Y%m%d')
/usr/bin/mariabackup --user=root --backup --stream=xbstream \
| gzip > /usr/local/mysqlbackups/backup-$TS.xb.gz || exit 1
TS=$(date -d "10 days ago" '+%Y%m%d')
rm -f /usr/local/mysqlbackups/backup-$TS.xb.gz