Using keys for Citadel

Assuming that Citadel will accept standard PEM-encoded key/cert/chain, configure it to look in /etc/letsencrypt/live/{your hostname}/privkey.pem, cert.pem, and chain.pem for those things. When you renew the cert, those file pathnames will remain the same, so no reconfiguration will be necessary. appears to have some information, but makes it look like Citadel expects those files to only be in a certain defined location–idiotic software design if so, but you should be able to create symlinks to the files in /etc/letsencrypt/live/.

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