jsch.addIdentity(prvKeyFile);
java.util.Properties config = new java.util.Properties();
config.put("StrictHostKeyChecking", "no");
session.setConfig(config);
session.setTimeout(15000);
session.connect();
logger.debug("SSH session is connected!");
channel = (ChannelExec) session.openChannel("exec");
if (channel != null) {
logger.debug("SSH channel is connected!");
StringBuffer buff = new StringBuffer();