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cannot update mailbox /var/mail/vmail for user vmail. unable to create lock file /var/mail/vmail.lock: Permission denied

This might be created because of SELinux. either give permission through SELinux or disable SELinux.

In order to diable SELinux

vi /etc/selinux/config


And execute the below

In Rails 2.2 the form_for tag will be used in <% .

But in Rails 3.2 the form_for tag should be used with <%=


Error: Rails 3.2 could not find a java script run time error.

Solution:  In order to fix this error  in windows install  node-v0.8.1-x86.msi

for Linux install node.js

NOTICE:  CREATE TABLE will create implicit sequence "users_id_seq" for serial column ""
NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index "users_pkey" for table "users"

 these are all not error messages. these messages are generated by rails to tell that it has created those things.

The user has not explicitly specified these things so r

Embedded System Design and Development workshop based training is happening in chennai on June 9th and June 10th

Workshop Content:

rails 3 authlogic installation and configuration

Posted by rajesh 1878 days ago (Editorial)

to add authlogic to rails

first install authlogic

gem install authlogic

edit Gemfile in your rails app and add the following line

gem 'authlogic'

Now run 'bundle install'

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