Selfhosted
A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.
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I did it for a few years, it looks interesting on paper, but in practice, it's a nightmare.
At home, you'll be getting real sick of asking for change windows to reboot your hypervisor.
At work, you will rue the day you convinced mgmt to let it happen, only to now have hypervisor weirdness to troubleshoot on top of chasing down bgp and TCP header issues. If it's a dedicated router, you can at least narrow the scope of possible problems.
Gotta disagree, for home use at least. I have found it to be the opposite of a nightmare.
Moving my home routing and firewall to a VM saved me hours, and hours, and hours of time in the long run. I have a pretty complex home network and firewall setup with multiple public IPs, multiple outbound gateways, and multiple inbound and outbound VPN setups for various purposes. I'm also one of those loons that does outbound firewall with deny by default on my network, except the isolated guest VLAN. With a complex setup like that, being in a VM means it's so easy to tweak stuff safely and roll back if you mess something up or it just doesn't work the way you expected. Turns what would be a long outage rebuilding from scratch into a 30 second outage while you roll back the VM. And being able to snapshot your setup for backup is incredibly useful when your software doesn't behave properly (looking at you, PFsense).
All that said, I run redundant, synced hypervisors which takes care of a lot of the risk. A person who is not well versed in hypervisor management might not be a good fit for this setup, but if you have any kind of experience with VM management (or want to), I think it's the way to go.
For sure, if your thing is leaning into network configs, nothing wrong with it, especially if you have proper failover set up.
I think virtualized routing looks fun to the learning homelabber, and it is, but it does come with some caveats.