My laptop runs duplicity once every two hours from cron which does gpg encrypted incremental backups to a network share. My HTPC does the same, but to an exter

My laptop runs duplicity once every two hours from cron which does gpg encrypted incremental backups to a network share. My HTPC does the same, but to an external hard drive plugged in via USB. Easy and quick to set up, and I don't have to rely on a third party run service.