Ubuntu Hadoop3.0.0 ./start-all.sh报错Permission denied (publickey password)

导致原因，没有设置ssh免密登陆

cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keyssbin/start-all.shjps

显示

3073 ResourceManager4659 Jps3641 NameNode4110 SecondaryNameNode3823 DataNode4511 NodeManager

就算成功了。