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Re: how to backup to an encrypted usb drive?

From Richard Hector <richard@walnut.gen.nz>
Newsgroups linux.debian.user
Subject Re: how to backup to an encrypted usb drive?
Date 2018-11-15 09:30 +0100
Message-ID <wUlcd-Y7-1@gated-at.bofh.it> (permalink)
References (3 earlier) <wU6mS-7Wy-13@gated-at.bofh.it> <wU7Ci-ey-7@gated-at.bofh.it> <wU85j-Fa-3@gated-at.bofh.it> <wUdy1-4l3-5@gated-at.bofh.it> <wUiel-7uG-3@gated-at.bofh.it>
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On 15/11/18 6:12 PM, Reco wrote:
> 	Hi.
> 
> On Thu, Nov 15, 2018 at 01:12:35PM +1300, Richard Hector wrote:
>> On 15/11/18 7:26 AM, Reco wrote:
>>>> but leaves you open to cryptolocker ransomware & various 'oh shit!'
>>>> moments when I do something stupid.  Offline & offsite is worth a
>>>> certain amount of inconvenience to me.
>>> Nope. Because:
>>>
>>> a) You do not do backups as a regular user.
>>> b) You do not keep a single backup.
>>
>> How do you prevent access to the older backups? A cron job updating
>> /etc/exports on the server?
> 
> You meant "how do I prevent users' access to backups"?
> Filesystem permissions on NFS server solve it for me.
> Ordinary user has no business both reading or $DEITY forbid, writing to
> backups.
> 
> Or you meant "how do I prevent a backup user from overwriting old
> backups"?
> An incron script that moves completed (as in "file closed") backup to a
> different directory.

The latter - thanks.

FWIW, I use dirvish (which uses rsync), which operates in pull mode,
hence the destination is under control of the backup server, not the
machine being backed up. Yes, I'll probably lose some metadata.

Richard

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Thread

Re: how to backup to an encrypted usb drive? Reco <recoverym4n@enotuniq.net> - 2018-11-14 16:10 +0100
  Re: how to backup to an encrypted usb drive? Lee <ler762@gmail.com> - 2018-11-14 17:00 +0100
    Re: how to backup to an encrypted usb drive? Reco <recoverym4n@enotuniq.net> - 2018-11-14 17:40 +0100
      Re: how to backup to an encrypted usb drive? Lee <ler762@gmail.com> - 2018-11-14 19:00 +0100
        Re: how to backup to an encrypted usb drive? Reco <recoverym4n@enotuniq.net> - 2018-11-14 19:30 +0100
          Re: how to backup to an encrypted usb drive? Lee <ler762@gmail.com> - 2018-11-14 23:10 +0100
            Re: how to backup to an encrypted usb drive? Reco <recoverym4n@enotuniq.net> - 2018-11-15 06:10 +0100
              Re: how to backup to an encrypted usb drive? Lee <ler762@gmail.com> - 2018-11-15 16:50 +0100
                Re: how to backup to an encrypted usb drive? Reco <recoverym4n@enotuniq.net> - 2018-11-15 18:20 +0100
                Re: how to backup to an encrypted usb drive? Lee <ler762@gmail.com> - 2018-11-15 20:10 +0100
                Re: how to backup to an encrypted usb drive? Reco <recoverym4n@enotuniq.net> - 2018-11-15 20:30 +0100
                Re: how to backup to an encrypted usb drive? Lee <ler762@gmail.com> - 2018-11-15 21:20 +0100
              Re: how to backup to an encrypted usb drive? Celejar <celejar@gmail.com> - 2018-11-15 18:50 +0100
          Re: how to backup to an encrypted usb drive? Richard Hector <richard@walnut.gen.nz> - 2018-11-15 01:20 +0100
            Re: how to backup to an encrypted usb drive? Reco <recoverym4n@enotuniq.net> - 2018-11-15 06:20 +0100
              Re: how to backup to an encrypted usb drive? Richard Hector <richard@walnut.gen.nz> - 2018-11-15 09:30 +0100
          Re: how to backup to an encrypted usb drive? [OT: rsync metadata] Rick Thomas <rbthomas@pobox.com> - 2018-11-18 21:00 +0100
            Re: how to backup to an encrypted usb drive? [OT: rsync metadata] Reco <recoverym4n@enotuniq.net> - 2018-11-19 04:40 +0100
              Re: how to backup to an encrypted usb drive? [OT: rsync metadata] Rick Thomas <rbthomas@pobox.com> - 2018-11-19 19:00 +0100
                Re: how to backup to an encrypted usb drive? [OT: rsync metadata] Reco <recoverym4n@enotuniq.net> - 2018-11-19 20:00 +0100

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