Pakete:
  * Debian (12): ''apache2''

<file txt /etc/apache2/conf-available/acme.conf>
ServerAdmin admin@example.lxht.de
MDCertificateAgreement https://letsencrypt.org/documents/LE-SA-v1.4-April-3-2024.pdf
MDomain example.lxht.de
ServerName example.lxht.de
# change to permanent, if you're sure
MDRequireHttps temporary
<VirtualHost *:443>                                 
  SSLEngine on                                      
</VirtualHost>
</file>

  a2enmod ssl
  a2enmod md
  a2enconf acme
  
  apache2ctl configtest
  apache2ctl -S

  systemctl restart apache2.service
  tail -f /var/log/apache2/access.log /var/log/apache2/error.log
  until [ -f /etc/apache2/md/staging/example.lxht.de/pubcert.pem ]; do sleep 1; echo -n .; done

Zertifikat anschauen:
  openssl x509 -in /etc/apache2/md/staging/example.lxht.de/pubcert.pem -text

Apache reloaden:
  apache2ctl graceful