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I'm running 11.10 and did a backup with the default program titled "Backup" (Deja Dup).

How can I know that it backed up my files correctly / completely?

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3 Answers 3

Restore the data, either in a VM or test home directory.

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as bodhi.zazen explained, the best way would be to restore the backup on a test environment. Then, I suggest you to store somekind of checksum database of your backups after the restoration test

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Update Deja-dup to 24.x or latest release.

In later version of 23.x they have added integrity check feature.

Have a look this link. https://bugs.launchpad.net/deja-dup/+bug/1055356

After every backup, we make a small check to confirm we can restore a test file. And every two months, we make a more intensive check.

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How to check which version (of deja-dup) is installed ? –  nutty about natty May 9 '13 at 14:41
@nutty about natty deja-dup --version –  Akash Shende May 9 '13 at 14:55

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