Category Archives: Software

Use a Let’s Encrypt certificate with ejabberd

If you want to use a custom certificate on your ejabberd instance, here is how to make it in a way which is understandable by your server.

Ejabberd requires the key, the certificate, and the chain all together in a single file (in this order).
So, if you are obtaining your certificate from let’s encrypt, you can simply:

cd /etc/letsencrypt/live/<the domain>
cat privkey.pem fullchain.pem > server.pem
chown ejabberd server.pem && cp server.pem <ejabberd certificate location>
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