Looking to make a clone of a server in real time so if one fails the other takes over

This page summarizes the projects mentioned and recommended in the original post on reddit.com/r/selfhosted

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  • radssh

    RadSSH is a Python utility/toolkit that facilitates multiple concurrent SSH interactive command execution shells, as well as many other parallel execution tricks.

  • cockroach

    CockroachDB - the open source, cloud-native distributed SQL database.

    No matter how you cut it, my guess is that the most difficult aspect will be syncing up your data. You could into whether something like CockroachDB works with Wireguard. That'd help you simplify a good bit.

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  • flux2

    Open and extensible continuous delivery solution for Kubernetes. Powered by GitOps Toolkit.

    Assuming that the only state that needs to be replicated is in Postgres, you could use something like flux to ensure that the services and their configs are synced up between the two clusters.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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