When using applications from the command line,
you will sometimes need to setup a specific proxy for them to use, if you don’t have a direct access to the Internet from the server you are working on.
in some of these application you can setup this through the app switches itself, but simpler apps just use the system network settings.
to fix this you can first check what current settings you have now with:
ENV | grep -i proxy
this should show you the current proxy settings you have.
to add your own settings do:
after that, just run your command line app, it should pick up and use these settings.