启动spark时提示输入管理员密码

Question

ps: unknown option -- o
Try `ps --help' for more information.
starting org.apache.spark.deploy.master.Master, logging to /cygdrive/c/spark/logs/spark-Administrator-org.apache.spark.deploy.master.Master-1-DD-20150603YWTL.out
ps: unknown option -- o
Try `ps --help' for more information.
failed to launch org.apache.spark.deploy.master.Master:
▒▒▒▒: ▒Ҳ▒▒▒▒▒▒޷▒▒▒▒▒▒▒▒▒ org.apache.spark.launcher.Main
full log in /cygdrive/c/spark/logs/spark-Administrator-org.apache.spark.deploy.master.Master-1-DD-20150603YWTL.out
Administrator@localhost's password:

Answer 1

首先你是用的cygwin环境吧。
另外不管什么环境，集群方式要求master到slave节点可以无密码登录，包括localhost，所以你需要通过 ssh-copy-id 命令设置Administrator@localhost 免密码登录