Re: better back-up?

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On Sat, Aug 23, 2025 at 1:53 PM home user via users
<users@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
> I'm now thinking 3 kinds of back-up:
> * incremental personal data back-ups, keep the 3 most recent, in-house.
> already doing this, but needs improvement.
> * larger semi-annual back-ups, all personal data, keep the 3 most
> recent, in-house.  already doing this, but needs improvement.
> * off-site back-up (internet/cloud), important to critical personal
> data.  not yet doing this.
> Yeah, there are cost/time/convenience/privacy/security/and-so-on trade-offs.

For the on-site backups there are enough options to cause "analysis
paralysis" for weeks!
- The simplest option is something along the lines of rsync'ing to a
2nd directory, ideally on a 2nd drive.  But that doesn't provide
multiple backups.
- For multiple backups the next simplest option is probably creating
tar backups.
- There are also products that are designed to provide a more complete
backup solution providing things like de-duplication.  These may be
designed with the idea that you would backup to the cloud, but they
may allow for backing up to an alternate disk.  As an example, I use
Duplicati (reasons below) and backup to the cloud.  It provides
de-duplication and encryption; basically the 1st backup is a full
backup, and every backup after that is an incremental, but from a
*restore* perspective every backup looks like a full backup.  You have
full control over what it backs up.  It can backup to the cloud but
also to a local device.  I'm sure there are other options that can do
the same.
- Even if you don't need all the features of a solution that backs up
to the cloud, if you are planning to do so in the future it might be
better to go with such a product from the start.

[Why do I use Duplicati?  I needed something that would backup to the
cloud, not tie me in to any single cloud provider, provide
de-duplication and encryption, and run on Linux and Windows as I have
to support both and I wanted the same solution for both.  If I didn't
need to support Windows I would have probably gone with a Linux-only
solution.]
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