Jenkins plugin for Nerrvana runs your Selenium tests on Nerrvana cloud. When tests are complete, plugin creates a resulting report.
To use plugin you should register at Nerrvana. Nerrvana will generate settings for the plugin which you should copy/paste to the plugin configuration in your Jenkins job.
Plugin uses LFTP (yum install lftp) to upload tests into your workspace at Nerrvana.
Additional sources: Nerrvana - User's Guide