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Create encrypted tar files

# tar -zcf – todays_backup|openssl des3 -salt -k yourpassword | dd of=todays_backup.des3

Replace yourpassword with a password of your own. Keep the password to yourself, and keep it carefully. The above command will generate a file called todays_backup.des3. This file can only be decompressed using this password.

To extract your protected archive file todays_backup.des3 use the following command:

# dd if= todays_backup.des3 |openssl des3 -d -k yourpassword |tar zxf -

Ref: http://www.simplehelp.net/2009/02/19/adding-encryption-to-protect-your-backups-on-linux/

linux, tar, openssl, encryption

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