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OpenBSD General Other questions regarding OpenBSD which do not fit in any of the categories below. |
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encryption and volume split of folder backups
Hi all,
is anyone doing encrypted backups of folders or files, and splitting the backup into volumes? Tar (or the file system?) seems to have a limit at 8GB (too big to be practical anyway, I prefer chunks of 700MB or 2048MB), and using it with encryption I haven't tried to figure out yet p7zip does not store Unix file access rights by itself, so it needs piping from tar, but then you run into a limit on the path name of 256 characters (try saving a webpage): "tar: File name too long for ustar " I'm trying all this on a box with OpenBSD 4.5 i386, but I've got 2 boxes with 4.6 to play with too. I use the RAR package on my old OpenBSD 3.9 fileservers, but i's time to install 4.6 on them, me thinks Any thoughts are appreciated. Cheers! |
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Interesting, I learnt about shunt to extend piping capabilities, but it looks like I'll be compiling RAR from ports and continue to use that until I am confident with/about Bacula.
Is there really no UNIX command line way of backing up files into encrypted chunks, with the ability to restore individual files |
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I just gave it to you.
The restore example concatenates files from multiple mount sequences of DVDs, and concatenates them into a single pipe into restore(1). To restore individual files, use restore(1) in interactive mode. Change the restore operands from "-rf -" to "-if -" to interactively restore from standard input. To add decryption or decryption, pipe the stream through openssl(1) with the enc operand. The restore(1) man page and the openssl(1) man page may be helpful. |
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Much obliged |
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This won't get you CD/DVD/tape backups, but you might find this interesting:
http://www.boxbackup.org/ Rgs, Nick |
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However, I like to keep my server setups as simple/vanilla/minimalistic/KISS as possible, especially since my clients (small businesses) can not afford to run much of a serverfarm. By keeping the installs minimalistic, I speed up bare metal installs/repairs. And having a command line way of restoring files, or whole backups, on a fresh install with the same tool as on a full install, is ace |
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