update or install big data plug-ins on the server

Our knime server 4.5 is running on linux and i would like to know how to install the big data connectors on the server. we have it on our desktop and working fine, when we deploy the models on the server, i'm getting error, "knime big data plugin is not installed. 




How to install additional extension to a executor on the server is described in the Administration Guide on page 17 ("Installing additional extensions").