upgrade rails application to rails 3.1.0

By -

Comments

Post a Comment

Popular posts from this blog

Enabling password authentication for new ec2 box | ssh, ssh config, EC2 setup, new user in EC2, PasswordAuthentication

By -
Your EC2 box only contain .pem auth to enable password authentication follow the steps By default your ec2 box come with .pem authentication, once you create your user and password for that user you can’t able to login with that credentials because EC2 by default disables that functionality. Edit ssh config file by below command $ sudo vim /etc/ssh/sshd_config  Search for  PasswordAuthentication  setting and setit to yes PasswordAuthentication yes Restart ssh server $sudo /etc/init.d/ssh reload
Read more

scp command usage guide

By -
Example syntax for Secure Copy ( scp ) What is Secure Copy? scp allows files to be copied to, from, or between different hosts. It uses ssh for data transfer and provides the same authentication and same level of security as ssh . Examples Copy the file "foobar.txt" from a remote host to the local host $ scp your_username@remotehost.edu:foobar.txt /some/local/directory Copy the file "foobar.txt" from the local host to a remote host $ scp foobar.txt your_username@remotehost.edu:/some/remote/directory Copy the directory "foo" from the local host to a remote host's directory "bar" $ scp -r foo your_username@remotehost.edu:/some/remote/directory/bar ...
Read more

Rails Memcache issues

By -
Error :- down_retry_delay not reached for localhost:11211 (0.001 seconds left) down_retry_delay not reached for localhost:11211 (0.001 seconds left) down_retry_delay not reached for localhost:11211 (0.001 seconds left) down_retry_delay not reached for localhost:11211 (0.001 seconds left) [2012-03-20 15:08:28] ERROR NoMethodError: You have a nil object when you didn't expect it! You might have expected an instance of Array. The error occurred while evaluating nil.each     /usr/local/lib/ruby/gems/1.9.1/gems/rack-1.3.6/lib/rack/handler/webrick.rb:71:in `service'     /usr/local/lib/ruby/1.9.1/webrick/httpserver.rb:111:in `service'     /usr/local/lib/ruby/1.9.1/webrick/httpserver.rb:70:in `run'     /usr/local/lib/ruby/1.9.1/webrick/server.rb:183:in `block in start_thread' cache: [GET /assets/kanga_custom/search_merchant.js?body=1] miss, ...
Read more