Build/Buy a 8 bay (or bigger) NAS and stuff it full of 20TB HDDs, run the HDDS in RAIDZ2 or RAID6 depending on what you end up with.
SirLagz
Re-assign it? Whats it? Reassign a port to the proper VLAN?
So are you plugged straight into your router, with switches plugged into other router ports?
If you have a diagram, it would make it easier to understand your network.
You can buy x8 slot gpus
You change your IP address only and you have access to different devices?
Or you change your IP address and plug into a different switchport / switch / device?
If its the first, you're not running separate vlans, you're running separate subnets over the same layer2 network.
Link to said security issue would be nice so we know what to look out for
What colour is the System LED flashing?
Zabbix can be used for Microservices but it requires a lot of configuration for it
Depending on which OS you choose, you could just run an OS straight off a USB stick plugged into the back or plugged into one of the internal headers
Front door camera as in a camera that is pointed at the front door, or Front door camera as in one that's mounted in/close to your front door?
Out of curiosity, what log monitoring platform are you using?
Is it this one - https://github.com/NginxProxyManager/nginx-proxy-manager/issues/2640 ?