How to start hadoop without asking local machine password?

amtex@amtex-desktop:~$ start-all.sh

This script is Deprecated. Instead use start-dfs.sh and start-yarn.sh Starting namenodes on [localhost]

amtex@localhost's password: localhost: starting namenode, logging to /home/amtex/Documents/installed/hadoop/logs/hadoop-amtex-namenode-amtex-desktop.out

amtex@localhost's password:

localhost: starting datanode, logging to /home/amtex/Documents/installed/hadoop/logs/hadoop-amtex-datanode-amtex-desktop.out Starting secondary namenodes [0.0.0.0]

[email protected]'s password:

0.0.0.0: starting secondarynamenode, logging to /home/amtex/Documents/installed/hadoop/logs/hadoop-amtex-secondarynamenode-amtex-desktop.out starting yarn daemons starting resourcemanager, logging to /home/amtex/Documents/installed/hadoop/logs/yarn-amtex-resourcemanager-amtex-desktop.out

amtex@localhost's password:

localhost: starting nodemanager, logging to /home/amtex/Documents/installed/hadoop/logs/yarn-amtex-nodemanager-amtex-desktop.out

amtex@amtex-desktop:~$ jps
2404 Startup
18244 DataNode
18580 ResourceManager
18101 NameNode
18889 NodeManager
18425 SecondaryNameNode
18924 Jps

Solution

Based on my research i follow these steps to avoid the above problem

step 1: ssh-keygen -t rsa -P ""

step 2: cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys

and now i started hadoop

amtex@amtex-desktop:~$ start-all.sh

This script is Deprecated. Instead use start-dfs.sh and start-yarn.sh
Starting namenodes on [localhost]
localhost: starting namenode, logging to /home/amtex/Documents/installed/hadoop/logs/hadoop-amtex-namenode-amtex-desktop.out
localhost: starting datanode, logging to /home/amtex/Documents/installed/hadoop/logs/hadoop-amtex-datanode-amtex-desktop.out
Starting secondary namenodes [0.0.0.0]
0.0.0.0: starting secondarynamenode, logging to /home/amtex/Documents/installed/hadoop/logs/hadoop-amtex-secondarynamenode-amtex-desktop.out
starting yarn daemons
starting resourcemanager, logging to /home/amtex/Documents/installed/hadoop/logs/yarn-amtex-resourcemanager-amtex-desktop.out
localhost: starting nodemanager, logging to /home/amtex/Documents/installed/hadoop/logs/yarn-amtex-nodemanager-amtex-desktop.out
amtex@amtex-desktop:~$ start-master.sh
starting org.apache.spark.deploy.master.Master, logging to /home/amtex/Documents/installed/spark/logs/spark-amtex-org.apache.spark.deploy.master.Master-1-amtex-desktop.out
amtex@amtex-desktop:~$ start-slaves.sh
localhost: starting org.apache.spark.deploy.worker.Worker, logging to /home/amtex/Documents/installed/spark/logs/spark-amtex-org.apache.spark.deploy.worker.Worker-1-amtex-desktop.out

amtex@amtex-desktop:~$ jps

21523 Jps
2404 Startup
21029 NodeManager
20581 DataNode
20439 NameNode
20760 SecondaryNameNode
21353 Master
21466 Worker
20911 ResourceManager