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Better than mere rsync...
If you're a die-hard UNIX head, there's a fantastic bit of python scriptwork called rdiff-backup. Why do I make the "die-hard UNIX head" proviso? There's a bit of console work and compiling to do if you want to install this. Adventurous non-UNIX people are welcome to try it out (learn something new)! I'd be happy to help, if you're interested. Once's it's installed it's easier than easy to use: $ rdiff-backup /Users /Path/to/other/directory/Users It's like rsync in that it keeps a mirror of whatever directory you tell it to backup, but it also keeps "diffs" of the changes, like an incremental backup. I have an NFS server in my basement, and I have a cron job backing up the /Users folder every night, for each of my Macs. I can also have it remove the incrementals older than 21 days (any time amount is possible). It has backup and restore capabilities. I used to back up to an old tape drive, but with disk space so cheap, it's easier and cheaper to just use disks. I can restore to an earlier version of a file if something happens. I haven't tried to mirror a whole disk, so I don't know if such a thing were bootable, but I imagine it wouldn't be hard to make it so. Long story short, the only sure way to protect against file deletions is to keep backups. I have a .Mac account, but find that Apple's Backup utility doesn't do it for me. I like having incremental backups and a live mirror on a hard disk, networked or otherwise. Note: (It's necessary for the destination folder to exist before running the script and it's useful to have the same name and permissions as the source, eg. /Users permissions are drwxrwxr-t (1775 in Octal), so you would want /Path/to/other/directory/Users [just the Users folder] to have the same permissions. This would make a full restore as easy as just clicking and dragging or a cp -Rp). 2nd Note: If anyone is interested in helping me, I think it would be rather easy to make an AppleScript wrapper for this, where backups and restores and such would become more accessible to Joe User. Let me know. --- |
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