I did something similar. I used Proxmox and then installed PfSense as a virtual machine. You might want to look into OPNsense and PfSense. There are addons for both that do the same as AdGuard and are free and open source. I had good experiences with pfBlocker

Guess I’m continuing to use Firefox in hell then

I would have done that a long time ago, but most streaming providers limit your bitrate and there’s no dolby vision steaming when on PC.

Dumb question:

If I have a zfs mirror I created with a ZFS 2.1 kernel, do I need to recreate it in order to take advantages of 2.2 features like overlay support ?

Not sure how it could help me solder or find faults on PCBs.

An now explain how to setup Kerberos