Before you start, stop, or restart Zeppelin, you must switch user to zeppelin:

su zeppelin

Follow this step to start the Zeppelin server:

/usr/hdp/current/zeppelin-server/bin/zeppelin-daemon.sh start

Follow this step to stop the Zeppelin server:

/usr/hdp/current/zeppelin-server/bin/zeppelin-daemon.sh stop

Follow this step to restart the Zeppelin server:

/usr/hdp/current/zeppelin-server/bin/zeppelin-daemon.sh restart