Translate Plugin Installation

I have a server in a network without Internet connection with ELK.

I'm trying to install the translate plugin but its not possible with the command ./plugin install logstash-filter-translate but i cant find a way to do it.

Can anyone help me please?

Have you checked out https://www.elastic.co/guide/en/logstash/current/offline-plugins.html?

sudo ./plugin unpack ../plugins_package.tar.gz

Unpacking ../plugins_package.tar.gz
Unpacked at /opt/logstash/vendor/cache
The unpacked plugins can now be installed in local-only mode using bin/plugin install --local [plugin name]

sudo ./plugin install --local logstash-filter-translate
Installing logstash-filter-translate
Plugin not found, aborting
ERROR: Installation Aborted, message: Could not find gem '/tmp/logstash-filter-translate-master/ (>= 0) java' in any of the gem sources listed in your Gemfile or installed on this machine.