When that happens to me, the first thing I check (if the service is running as fastcgi / plack / fpm) is that the process manager is running. Often I have to start / restart plack / fpm.

'Bad Gateway' probably means there is a load balancer (reverse proxy) in the path, and the breakage is between there and what's behind it.

On Mon, Aug 12, 2024 at 6:47 AM Paul Poulain via Koha-devel <koha-devel@lists.koha-community.org> wrote:

Hello guys,

Laurent, our sysadmin just upgraded the translate server, but something went wrong and we now have a "bad gateway". Laurent has no idea what happened and why the server does not restart. Who can help him ?
(what he made : snapshot of the old server, launch of a new one with the snapshot, updated the IP)
-- 
Paul Poulain, Associé-gérant / co-owner
BibLibre, Services en logiciels libres pour les bibliothèques
BibLibre, Open Source software and services for libraries
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--

Michael Hafen

Washington County School District Technology Department

Systems Analyst