edit /etc/elasticsearch/jvm.options and set 2. edit /etc/elasticsearch/elasticsearch.yml 3. edit /etc/default/elasticsearch 3. systemctl edit elasticsearch Send article as PDF
Copy/download the GPG key from https://dev.mysql.com/doc/refman/8.0/en/checking-gpg-signature.html Save that into a file on the Debian server as mysql.pub Send article as PDF