This Bash script manages database backups by utilizing mariadb-dump for backup creation. The script encrypts the backup with AES-256, transfers it to a remote server via FTP, deletes backups older than 7 days, and supports AES decryption.

• Prompt user for configuration values if they are missing.
• Load configuration values from a file if it exists.
• Save configuration values to a file if they don't exist already.
• Perform a database backup using mariadb-dump.
• Encrypt the backup file using AES-256.
• Transfer the encrypted backup file to a remote server using FTP.
• Delete old backup directories that are older than 7 days.
• Decrypts a file using AES encryption algorithm

• MariaDB command-line tools (mariadb-dump)
• OpenSSL (openssl)
• LFTP (lftp)

1. Make sure all the required tools are installed on your system.
2. Download the backup.sh script to a desired directory.

1. Open a terminal and navigate to the directory where the backup.sh script is located.
2. Run the script with the following command:

./backup.sh

The script will prompt you for configuration values if they are missing and save them to a configuration file (config) for future use.

./decrypt.sh <filename> <decryption_key>

• <filename>: The name of the encrypted file that needs to be decrypted.
• <decryption_key>: The key used for decryption.

This script is released under the MIT License.