Whenever gem

Hello All,

I want to schedule a mail every day.
I used whenever gem.

I added gem ‘whenever’ in my gemfile. Then in the terminal I did -
“whenever .” which created a schedule.rb.

In schedule.rd I added this piece of code:-

set :environment, “development”

every 2.minutes do
runner “UserMailer.some_method”
end

Does it get invoked automatically ?
or do I need to do something to invoke it?

Thanks,
Avi

use
whenever -w
to write into system crontab ; to check if write successfully try
crontab -l
whenever -c to clear

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I tried with these commands. It is fine. But the schedule.rb is not
being
invoked.

I tried with some puts inside the method, but it is not getting invoked.

result of whenever -w -> [write] crontab file written

result of crontab -l :-

Begin Whenever generated tasks for: the complete path/schedule.rb

0,2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58

        • /bin/bash -l -c ‘cd “the complete path” && script/rails runner
          -e
          development ‘’‘UserMailer.some_method’’’’

End Whenever generated tasks for: the complete path/schedule.rb

On Tue, Jul 9, 2013 at 7:11 PM, [email protected] <
[email protected]> wrote:

.

For more options, visit https://groups.google.com/groups/opt_out.


Thanks,
Avi

I tried with that…
But i am getting error - (CRON) info (No MTA installed, discarding
output)
any pointers ?

On Tue, Jul 9, 2013 at 7:44 PM, [email protected] <
[email protected]> wrote:


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Thanks,
Avi

How about write out to some file as you might can not see these PUTS


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On Jul 10, 2013, at 5:04 AM, avinash behera [email protected]
wrote:

I tried with that…
But i am getting error - (CRON) info (No MTA installed, discarding output)
any pointers ?

This is because the normal behavior for cron is to send the combined
STDOUT and STDERR to the owner of the crontab as an e-mail message. You
don’t have anything that can accept and deliver e-mail on your server
(or whatever is running cron) as it cannot find the MTA (Mail Transfer
Agent) and so is telling you it’s just dropping the output of the
command in the bit bucket. This has absolutely nothing to do with the
whenever gem, ruby, rails or anything else. This is a base OS-level
issue. If you want the output of the cron command, you have a couple of
choices:

  1. Append it to a log file the cron job has write access to.
  2. Install a mail transfer agent.

#1 is by far the easier of the two. If cron is running as root, Just
append ‘>> /var/log/cron.log 2>&1’ (without quotes) to each crontab
command. If cron is running as a regular user, append ‘>>
$HOME/.cron.log 2>&1’.