当我运行时bin/hdfs namenode -format，我想运行sudo sbin/start-dfs.sh，但它会抛出一个错误root account is not found。
Starting namenodes on [localhost]
ERROR: Refusing to run as root: root account is not found. Aborting.
Starting datanodes
ERROR: Refusing to run as root: root account is not found. Aborting.
Starting secondary namenodes [bogon]
上一次登录：日 9月 23 14:57:26 CST 2018pts/0 上
bogon: ssh: connect to host bogon port 22: Connection timed out