title: connect to host localhost port 22: Connection refused
body: <p>While installing hadoop in my local machine , i got following error </p>
  
  <pre><code>ssh -vvv localhost 
  OpenSSH_5.5p1, OpenSSL 1.0.0e-fips 6 Sep 2011 
  debug1: Reading configuration data /etc/ssh/ssh_config    
  debug1: Applying options for * 
  debug2: ssh_connect: needpriv 0 
  debug1: Connecting to localhost [127.0.0.1] port 22. 
  debug1: connect to address 127.0.0.1 port 22: Connection refused 
  ssh: connect to host localhost port 22: Connection refused
  </code></pre>
  
  <p>can some one help me to resolve this error , than changing port number </p>