Unable to run cronjob using whenever in rails 3 -

i follow steps whenever reference https://github.com/javan/whenever

in schedule.rb

require 'yaml' set :environment, 'production' set :output, {     :error    => "/log/error.log",     :standard => "/log/cron.log"  }  every 1.minute    runner "user.weekly_update" end 

in gemfile

gem 'whenever', :require => false 

output of command

localhost:~/project$ whenever -i

[write] crontab file updated 

localhost:~/project$ crontab -l

# begin whenever generated tasks for: /home/bacancy/project/config/schedule.rb * * * * * /bin/bash -l -c 'cd /home/bacancy/project && script/rails runner -e     production '\''user.weekly_update'\'' >> /log/cron.log 2>> /log/error.log'  # end whenever generated tasks for: /home/bacancy/project/config/schedule.rb  # begin whenever generated tasks for: store * * * * * /bin/bash -l -c 'cd /home/bacancy/project && script/rails runner -e  development '\''user.weekly_update'\'''  # end whenever generated tasks for: store  # begin whenever generated tasks for: lapulguilla  # end whenever generated tasks for: lapulguilla 

and type

localhost:~/project$ whenever

* * * * * /bin/bash -l -c 'cd /home/bacancy/project && script/rails runner -e    production '\''user.weekly_update'\'' >> /log/cron.log 2>> /log/error.log'  ## [message] above schedule file converted cron syntax; crontab file  not updated. ## [message] run `whenever --help' more options. 

in user model have definition self.weekly_update

def self.weekly_update   puts "cronjobs called in every minutes" end  

your correct, saying cron job print in background, doing , able observe it.

instead should try create or destroy records feel changes think :)