solutelabs-savan

# Find this line config.navigational_formats = ['*/*', :html] in devise.rb file and replace it with this line inorder to accept JSON request and give JSON response.
  
config.navigational_formats =  ["*/*", :html, :json]

solutelabs-savan

Install Redis on ubuntu first
1)  Add PPA
      $ sudo add-apt-repository ppa:chris-lea/redis-server
      Press ENTER to accept the repository.
2)  Run the following command to update our packages:
      $ sudo apt-get update
3)  Install the Redis server:
      $ sudo apt-get install redis-server
4)  Check that Redis is up and running:
      $ redis-benchmark -q -n 1000 -c 10 -P 5