[Unit] Description=Haoop secondary name node server [Service] Type=forking User=hadoop Group=hadoop EnvironmentFile=/etc/conf.d/hadoop ExecStart=/usr/bin/hdfs --daemon start secondarynamenode ExecStop=/usr/bin/hdfs --daemon stop secondarynamenode Restart=on-abnormal SuccessExitStatus=143 [Install] WantedBy=multi-user.target