On Fri, 09 Nov 2018 12:48:54 +0000, Alister wrote:

> it is also worth creating an image file of a mission critical SD card
> once working so it can be recreated as needed.

Even better: make a backup copy of the SD card immediately before doing
an update (you do keep your software up to date, don't you), or at least
once a month. And keep a cycle of at least two backups offline: that
means that one is always a known good copy.

FWIW, I do weekly backups and system updates on ALL my systems using a
cycle of two USB HDDs which are kept in a fire safe.


--
Martin    | martin at
Gregorie  | gregorie dot org

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