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by textmode 3656 days ago
Is it true that HN runs on a single server, running FreeBSD?
1 comments

Yes, it runs active passive, and its written in a Lisp dialect.
What does "active passive" mean?
two servers, one "active" serving the website, one "passive" ready to serve the website when you bring the first down and perform some switching (DNS or moving an IP address).

Load balancing two separate servers you can consider as active-active for the terminology.