Backup TrueNAS config

backup_config.sh

#!/bin/bash
# Use exact same file naming as GUI exports
BACKUP_NAME=`hostname -s`-`cat /etc/version | cut -d ' ' -f 1`-`date +%Y%m%d%H%M%S`
# Change to your desired path
BACKUP_LOCATION="/mnt/some_pool/some_dataset/some_folder"
# Include secret seed as well
tar cf "$BACKUP_LOCATION"/$BACKUP_NAME.tar -C /data/ freenas-v1.db pwenc_secret
# Remove backups older than 365 days
find "$BACKUP_LOCATION"/*.tar -mtime +365 -exec rm {} +

1. Download the file and put it somewhere in TrueNAS root folder, like here:
   /root/script/backup_config.sh
2. Make it executable:
   chmod u+x backup_config.sh
3. Add task in GUI:
   Tasks > Cron Jobs > Add

Tested in TrueNAS-13.0-U6.8