爲什麼在啓動hadoop之前需要ssh登錄?爲什麼hadoop要求密碼啓動任何服務?爲什麼hadoop在啓動任何服務之前都要求輸入密碼?
[email protected]:~/hadoop-2.6.3$ sbin/start-all.sh
This script is Deprecated. Instead use start-dfs.sh and start-yarn.sh
Starting namenodes on [localhost]
[email protected]'s password:
localhost: starting namenode, logging to /home/shravilp/hadoop-