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Your chosen desktop Linux defaults?
(lemmy.zip)
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I've never had a problem with ext4 after power failure.
Zram is not a substitute for swap. Your system is less optimal by not having at least a small swap.
Firewalls should never default to on. It's an advanced tool and it should be left to advanced users.
Not to mention how much grief it would cause distro maintainers. If they don't auto configure the firewall they get blasted by people who don't know why their stuff isn't working. If they auto configure they get blasted by people upset that the auto configurator dared change their precious firewall rules. You just can't win.
I have a question about swap.
My current rig has 64 gb, and I opted to not create a swap partition. My logic being I have more than enough.
The question is does swap ever get used for non-overflow reasons? I would have expected 64 GB to be more than enough to keep most applications in memory. (including whatever the kernel wants to cache)
I believe so, though I went without swap for a while myself and never noticed any issues. When in doubt a 1gb swap partition can't hurt.
Start with a small swap file (100 MB) and see how much gets used, no need to waste 1 GB.
I also have 64 GB and yes, it gets used. For very low quantities, mind you, we're talking couple hundred KB at most, and only if you don't reboot for extended periods of time (including suspend time).
Creating a big swap is not needed, but if you add one that's a couple hundred MB you will see it gets used eventually.
You don't have to create a swap partition, you can create a swap file (with dd, mkswap, swapon and /etc/fstab). You can also look into zswap.
Swap is not meant as overflow "disk RAM", it's meant as a particular type of data cache. It can be used when you run out of RAM but the system will be extremely slow when that happens and most users would just reboot.