Here is the daemon I wrote if interested: http://lime-technology.com/forum/index.php?topic=53365.msg515342#msg515342 There is also a github page for it but it's the same thing https://github.com/bobbintb/backup-bash   There are two others as well: https://github.com/rhummelmose/rclonesyncservice https://github.com/resipsa2917/rcloned   I've only used mine. It works well and I have not had any issues. It starts the sync whenever the OS detects a file system change and it will not