Dreamhost has discontinued offering free Letsecrypt certificated in their shared hosting.
However, they support pasting a manually created certificate, so we can generate one on a different machine with the manual mode of certbot and then deploy it.
The issue that costed me 1 hour today is that certbot generated a ECDSA key by default instead of RSA, so here the script to generate the right key, just run:
export DOMAIN=www.yourdomain.comand the script:
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| certbot certonly --manual -d ${DOMAIN} --force-renew --key-type rsa --agree-tos --preferred-challenges dns --config-dir . --work-dir . --logs-dir . |
Then paste:
cert.pemin certificateprivkey.pemin private keychain.pemin intermediate certificates