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I have a set of files on my webserver produced by duplicity software:

  • duplicity-full.20110315T085334Z.vol1.difftar.gz
  • duplicity-full.20110315T085334Z.vol2.difftar.gz
  • duplicity-full.20110315T085334Z.vol3.difftar.gz
  • etc... (50 files, total size about 1 Gb)

Backup has been made without encryption.

My current hoster haven't duplicity on his server and don't want to install it. How can I unpack these files using remote SSH access? Maybe there is some bash-script available to do that?

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3 Answers

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How about download the required archive and then make like this: duplicity scp://uid@other.host//usr/backup restored_dir (example from official site)

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It is possible but slow: 1 GB to download and then 4-5 GB to upload. Sure if there will be no other way to do this directly on server, I'll use this method. :( – Andrew Mar 21 '11 at 12:19
ok. Seems there is no other way except this – Andrew Mar 21 '11 at 13:48
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You can try to unzip those archives, and copy needed files. I do not know how it backup files, but i think it copy files to the dir and gzip it (or tar.gz)

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Each .difftar.gz volume has 2 subfolders inside: "snapshot" and "multivol_snashot". Each file in "multivol_snapshot" folder represented as folders containing parts of that file (1, 2, 3 etc). I have no idea how to unpack them correctly – Andrew Mar 21 '11 at 11:36
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In your case, I think, it's better to use backup software (or script) that can be simply extracted. You can see for backuppc, flaxbackup (I don't know will it work on your host or not, if it's vps (or vds) it will, but if it's just shared hosting it will not).

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it's a virtual hosting, neither backuppc nor flexbackup available. – Andrew Mar 21 '11 at 12:53
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