JSCH is easy to use

channel = (ChannelShell) session.openChannel("shell");// connect resourcechannel.connect();input = new BufferedReader(new InputStreamReader(channel.getInputStream()));// writer inputs commands to the server for executionprintWriter = new PrintWriter(channel.getOutputStream());printWriter.println(command);printWriter.println("exit");printWriter.flush();log.info("The remote command is: ");String line;// Get the result of the command executionwhile ((line = input.readLine()) != null) {stdout.add(line);System.out.println(line);}