I have two Magento 2 instances in my Virtualbox ubuntu server.
1st one is new installation magento2.3 located at
/var/www/html/, it is working fine and accessible from the browser using IP 127.0.0.1 ...
I have installed on my Magento 2.3 server and an annotation has arrived for me to install Elasticsearch. This is my system:
I have followed these instructions: