I am working on virtual machine and I am installing and configuring opendistro for Elasticsearch by following this page:
https://opendistro.github.io/for-elasticsearch-docs/docs/install/deb/
by running this command:
wget -qO - https://d3g5vo6xdbdb9a.cloudfront.net/GPG-KEY-opendistroforelasticsearch | sudo apt-key add -
I get the following error: gpg: no valid OpenPGP data found
even I have install ca-certificate and also gnupg. please help me to get out of this: