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  1. #1
    Join Date
    Aug 2005
    New Jersey

    CentOS secure delete/scrub free space?

    Can anyone recommend a good tool for securely erasing / scrubbing free hard drive space in CentOS?

    The purpose would be simply to securely clean up a dedicated server before I stop renting it. I'd like to ensure any data cannot be recovered by whoever gets the hard drives after I am finished with them.

    Thanks in advance for any advice related to this.
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  2. #2
    Join Date
    Nov 2001
    Ashburn, VA
    If you have out of band access (ilo, drac, ipmi), then use DBAN. There's no real way to do it from within the OS, other than just making a ton of writes to keep overwriting the blocks.
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  3. #3
    Join Date
    Apr 2007
    US, UK, Europe, ME
    Quote Originally Posted by serve-you View Post
    other than just making a ton of writes to keep overwriting the blocks.

    Yes, This can be achieved by overwriting the blocks with random data using something like dd.

  4. #4
    Join Date
    Apr 2009
    1. Boot your server into ramdisk
    2. User shred in order to securely delete your data:

    You can run a basic check if the files are there with

    Anyway, that is a simple check. Try and do some more digging. - Managed dedicated servers, cloud servers and software development.

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