Using keepalived in a hassos installation

Hello,

Is it possible to install keepalived in a raspberry pi 4 with Home Assistant OS? Right now I am using the Nginx Proxy Manager addon as a point of entry of all my local services (not only hass). I would love to be able to keep it running when hassos is down (for instance when updating). Is it possible to use something like keepalived so i can use a virtual IP to failover to another npm instance running in another computer?

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I too am looking for server redundancy failover using keepalived using a floating IP, I rely on HA to be 100% operational.

+1 from my side as well. In the past I used Keepalived to fulfill this