pete

You're right - I missed that detail. From the graphs alone it looks as if a process ate up all still free to claim (cached) memory, then the system stalled possibly thrashing until OOM kill intervened - as indicated by large chunks of RAM being freed. Allocated RAM in red lowering and cached RAM in blue rising again.

I don't see a clear indication that you have too low RAM... RAM should be "used" fully at all times and your "cached" RAM value suggest you still have quite a bunch of RAM that could potentially be consumed by applications when they need it.
I cannot clearly see a swap usage in the graphs - that would be an interesting value to judge the overall stability of the system with regards to fluctuating RAM usage.

However, once you notice the problem again, right after you manage to log in, run a "dmesg -T | grep -i oom" and see if any processes get killed due to temporarily spiking RAM consumption. If you're lucky that command might lend some insight even now still.

Also, what if you run a "top" command for a while, what's the value for "wa" in the second line like? "wa" stands for I/O wait and if that value is anything above 5 it might indicate that your CPU is being bottlenecked by for instance hard disk speed.

Played that one only 2 or so years after my mother's succumbing to cancer.
That game helped me im more ways than one - fantastic experience, still can hear some of the musical themes of it in my head as I type this out.

Of course you are right, and this should be noted.
But if you so happen to have Calibre already running via for instance your desktop installation you, may also "take advantage your pre-existing Calibre database" in Calibre-Web ;-)

Take a look at Calibre-Web (github.com/janeczku/calibre-we…) which I've been using for what you ask for quite a while now. As the name suggests it can also take advantage of a pre-existing Calibre eBook Database.

Deep Rock Galactic - I should have probably picked it up earlier. It's such a wonderful co-op game with so many memorable, epic moments happening.
Very charming atmosphere, too.

I'm trying to stay away and I do feel like there is a reasonable chance I might be able to.
I recently subscribed to a Lemmy "self-hosted" and "asklemmy" group and content is starting to trickle in real good.

Mostly I feel it's a matter of consolidating Lemmy groups with the same topics into super-groups. This should help with general useability as well as making things more friendly for people moving over from Reddit.
Federation support for other Fediverse products towards Lemmy also will need some work still.

"Necropolis" (Gaunt's Ghosts 3) by Dan Abnett. Whole lot of Warhammer 40k goodness.