On Sat, 13 Feb 2021 16:22:24 +0000, David Higton wrote:

> This build is just over a month old,
> which reminds me it's time I updated it again.
>
A weekly update is better - there have been and are quite a lot of
security holes being discovered and fixed recently.

My personal recommendation: turn off any automatic updates you might have
configured and every week make a backup using rsync [1] followed
immediately by a Raspbian update and reboot.

[1] use rsync because its about the fastest backup program. On an RPi
using a SD filing on an 8-18GB card system you may as well back up
everything, but really, all you need to backup is /home *provided that*
you keep copies of every file you change in /etc in a special directory
structure in /home or in your usual login.

I use a pair of 1TB WD Essentials portable USB drives for two generations
of backups, but of course ymmv - you can equally use a couple of SD
cards, but they may fail silently - while a portable SSD or HDD is more
likely to give you warnings, particularly if you fsck it as the last
action in every backup run. Note:

- Write a shell script to automate the backup process - makes life a
  lot easier
- Using a set of biggish backup devices and makes it easy to back up
  several systems onto a single device set of HDDS or SSDs.
- Always keep the backup set offline, preferably in a firesafe or in a
  separate building or garden shed.

--
Martin    | martin at
Gregorie  | gregorie dot org

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