[EdLUG] Linux hibernate

[Andrew Smith]

Guys
For quite a while, I've been putting my system into suspend mode, which was
successful , apart from an odd occassion.  I now want to try saving more
energy
I've tried powering down, but would like it to restart in the same state
rather than with a new login, as I had with suspend.
I've tried "systemctl suspend-then-hibernate" from root CLI, but  I get
essentially  a fresh boot.

Any suggestions ?
I'm running kernel 5.4.0-125-generic from Ubuntu, in 32Gb RAM, and
typically have a around hundred tabs open on Chrome.
Andrew
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