Hadoop: start-dfs.sh permission denied

Question

I am installing Hadoop on my laptop. SSH works fine, but I cannot start hadoop.

munichong@GrindPad:~$ ssh localhost
Welcome to Ubuntu 12.10 (GNU/Linux 3.5.0         


        

Answer 1

I faced same problem, so tried to connect SSH and got statement like "not found," so I went to the ssh location to debug by the following steps:

cd ~/.ssh

ssh_keygen -t rsa -p""

cat id_rsa.pub >> authorized_keys

... then it worked ...