Ruby on Rails is an open-source, MVC web development framework written in Ruby, optimized for programmer happiness and maintaining sustainable productivity. Many things are defined by convention, freeing you from having to re-invent things to stay productive.

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Nginx Rails production suddenly stopped working

I am using Rails with Postgres and Redis running on Nginx on Centos7. I have encountered interesting behavior today, my production server became offline for some time. The server refused connections ...
2
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1answer
82 views

Is it really recommended to build Ruby from source on production servers?

I've seen all over the place people using RVM/rbenv to install the most updated version of Ruby on Linux. On development, I understand that it may be OK to do this, but I can't understand why would I ...
3
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1answer
624 views

Rails when served by unicorn is generating the wrong fingerprint for precompiled assets

I have a production server with nginx -> unicorn -> rails. I precompile assets, which puts assets in public/assets with a fingerprint (hash) appended to the filename. However, when a web page is ...
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1answer
48 views

Nginx passenger rails

On a EC2 with ubuntu 14.04 with nginx/passenger/rails came with this log on nginx: App 31063 stderr: * ERROR *: Cannot execute /usr/local/lib/ruby: Permission denied (13) App 31065 stderr: ...
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1answer
28 views

Nginx Passenger MySQL connects only locally

Fresh server, installed using the digital ocean guide here. Ubuntu 14.04 Passenger 5.0.18 Nginx 1.8.0 I can deploy my app to the server via capistrano no problem. I can also load the rails console ...
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0answers
63 views

Requesting HTTP API from Elastic Beanstalk causes 503 timeout on Heroku

Got a weird problem on our hands. We're calling a third party HTTP API hosted on Heroku. If we make the request through cURL locally, or we SSH into our Docker container on Elastic Beanstalk and cURL ...
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0answers
1k views

Rails application: SocketError (getaddrinfo: Name or service not known):

I have a Rails (Spree) application running on a Debian/Apache/Passenger server. I have just randomly started seeing the following issue when trying to access the admin area. I have tried changing my ...
0
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1answer
190 views

Rails app deploy on openshift

I'm trying to deploy Rails application no openshift (rails-2.0 + postrgesql). I think automatic deploy on git push didn't execute rake task db:setup and db:migrate, because I see ...
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0answers
181 views

Looking for error log in Nginx

When I try to sign up a user on my site I get a 500 error. On my local machine I can at least see what the error is, but in production I cannot. My controller returns a 422 error when a sign up is not ...
0
votes
1answer
394 views

AWS Elastic Load Balancer HTTP health check ping not reaching Rails application server

I have just inherited a Ruby + Rails application running on AWS Elastic Beanstalk, and it is currently using TCP for the Elastic Load Balancer health check. I wish to switch to HTTP, and actually hit ...
0
votes
1answer
83 views

Running multiple Ruby on Rails web apps on a single Azure VM

I have 5 Ruby on Rails web apps and I want to run them from a single Azure Linux VM in order to save expenses. Actually I wanted to run them as Web Apps but Ruby on Rails is not yet supported. I am ...
1
vote
1answer
60 views

Nginx basic auth on specific location [closed]

I have a rails app and would like basic Nginx Basic Auth on specific location and now I am doing it like location / { passenger_enabled on; proxy_set_header X-Real-IP $remote_addr; ...
0
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2answers
4k views

nginx Permission denied error

I'm runnning nginx and unicorn to serve Rails application. Unicorn and Rails app works fine, but nginx can't open rails public directory with permission error and return 502 Bad Gateway. curl ...
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votes
1answer
22 views

How could I access the auto scaling DB servers because not knowing the IP address

I put the web servers and db servers in different auto scaling group. Those machines in auto scaling group will be added or removed dynamically. Therefore, I have no idea about what's the db server ...
0
votes
2answers
1k views

Installing MongoDb on EC2

I'm trying to deploy a Rails 3.2.3 with MondoDb app to EC2. I've chosen t2.micro instance. However, I found out that to use MonboDb I have to use at least m1.large - ...
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1answer
49 views

How can I defend against malicious GET requests? [duplicate]

My server is getting hit with a variety if requests like the following: Started GET "/key/values" ActionController::RoutingError (No route matches [GET] "/key/values") Started GET "/loaded" ...
2
votes
1answer
158 views

Apache passenger setup - Multiple projects under same domain

I want to setup different projects under same domain with different ruby version for each app. Eg: example1.com is a main app which runs on Ruby 1.8.7 example1.com/tasks is another app which runs ...
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0answers
39 views

mina deploy not creating rails app files

I have a server with nginx and phusion passenger setup. nginx is running well. Also, phusion passenger is running (checked with passenger memory-status) I tried setting up mina, it went well noting ...
1
vote
1answer
368 views

Nginx not responding with rails app deployed on aws ec2 instance using capistrano

I have a rails application deployed through capistrano on an aws ec2 instance and have passenger nginx installed on the server as well. Whenever I try and access my application using the DNS or the ...
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0answers
188 views

font-awesome not displaying on Nginx, Rails 4, mina/puma

I made some changes to the nginx config file and I now cannot see any of the font-awesome fonts on FF and Chrome. The fonts are precompiled and in this directory: ...
0
votes
1answer
125 views

How to host staging and production on the same server [closed]

I'm new to server administration and I've recently setup my rails app on a Linode server. I followed a similar configuration to the Ryan Bates railscast on the subject. With nginx, unicorn and Ubuntu ...
0
votes
1answer
449 views

(Passenger Agent) Signal received. Gracefully shutting down

I have a rails application that I am deploying on an aws ec2 instance, this is my first time using the Rubber Gem, for which I have followed this tutorial. After removing the default nginx ...
2
votes
3answers
2k views

Rails + Nginx + Unicorn multiple apps

I get the server where is currently installed two apps and i need to add another one, here is my configs. nginx.conf user www-data www-data; worker_processes 4; pid /var/run/nginx.pid; events { ...
0
votes
1answer
2k views

Production redis server has 100% cpu usage

My production redis server has gone mad and has been hogging up 100% of CPU usage. I have done everything that I can from upgrading redis server to restarting the machine. I can't figure out what's ...
0
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0answers
18 views

how can I run an existing Rails passenger app in webbrick?

Of late I have been bitten by the Passenger's unaccessible server trace logs etc. for my Rails app. So I am thinking of running my app in webbrick. But my requirement is little complicated. Assets ...
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0answers
156 views

Error starting Passenger with Apache

I am trying to configure TestCaseDB on CentOS 6.2. The Passenger and apache versions are: Phusion Passenger 5.0.10 Apache/2.2.15 (Unix) I have used this admin guide for Installation and ...
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0answers
86 views

Match subURIs to index.php file on Apache Passenger

I have the following configuration within a VirtualHost block: #Passenger config DocumentRoot /home/me/railsapp/public <Directory /home/me/railsapp/public> AllowOverride all Options ...
0
votes
1answer
62 views

Nginx HTTPS config issue for non-wws

I need to configure nginx for one of my rails application to route some pages through SSL but facing problem with configuration. I've a SSL certificate where common name is example.com and my site is ...
0
votes
0answers
33 views

rvm losing alias value

Using RVM to manage Rubies on a server, and we set up RVM aliases, like so: rvm alias create MyAlias ree-1.8.7-p2010.01 which can be seen (and used) after we create them. rvm alias list MyAlias ...
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votes
0answers
33 views

Passenger+Nginx instances fail to keep rails' uniqueness true

I have multiple Nginx+Passenger instances conf here and many models (more than 40) that has validations on uniqueness. e.g. class Ssid < ActiveRecord::Base validates :name, :presence => true ...
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votes
0answers
83 views

Using ProxyPassReverse in Apache 2.4 to run in front of Gitlab, how would I also enable User Directories in Apache?

I'm using Apache 2.4 to proxy with the gitlab omnibus package generally following this strategy from the gitlab recipes. I also want to have User Directories, like /~username using mod_userdir. To ...
0
votes
1answer
499 views

undefined symbol: sqlite3_initialize

When I try to deploy my Rails application to an Apache server using Passenger, I get the following error in the logs: undefined symbol: sqlite3_initialize I get the same error when just running ...
1
vote
2answers
2k views

Can't run webrick on port 80

I try to figure out how to point a.b.c.d:3000 to my domain name. Here, a.b.c.d is my IP address. As per this post: How to use DNS/Hostnames or Other ways to resolve to a specific IP:Port I get the ...
2
votes
1answer
51 views

Posting url of rails application on FB without https replace meta tag description with “welcome to nginx”

I have a rails application deployed on an amazon ec2 ubuntu instance, configured with nginx which is working fine. The problem is when I try and post the url of the site on facebook without https ...
0
votes
1answer
87 views

Slow mongodb on ruby on rails

I have a ruby on rails application with mysql and mongodb (mongoid framework) running. I tested a load test with siege with the setting -c 60 -r 10 on one page which have 2 stationsong find queries. ...
1
vote
1answer
685 views

Ruby on Rails application throws SMTP Authentication Error

I'm developing a Rails app which when I run it locally, it's able to send emails through a gmail account via smtp. When I moved it to my server, it comes up with the following error for example when ...
0
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0answers
260 views

ruby on rails 404 not found after deployment

I'm getting a 404 not found error after deploying my rails app. I'm using: ubuntu, nginx, capistrano, & unicorn. These are my configurations: nginx.conf upstream unicorn { server ...
2
votes
2answers
5k views

lost connection after STARTTLS: Postfix

I've setup a Postfix + Courier server and have a Rails app configured with the SMTP server settings. Whenever the Rails app tries to send an email, this is what appears in the Postfix log (additional ...
1
vote
1answer
1k views

EC2 Public DNS not working with HTTPS - Elastic Beanstalk URL is working

I have completely ran out of ideas to fix this issue. I've gone through just about every given solution to similar issues and nothing has worked successfully. I've successfully set up my Ruby on ...
1
vote
1answer
41 views

Proper way to start application servers

I'm not a server admin by any means...but run a few small apps and need to learn how things should work... I start all my stuff manually; mostly rails with puma/thin. When I reboot, I need to start ...
2
votes
1answer
213 views

Website offline message when server is unreachable

Is there a way to display a website offline/maintenance message to users who try and visit a website where the physical server is offline. The scenario: We have multiple client websites running at ...
3
votes
0answers
815 views

Coreos auto scaling with docker and fleetctl on AWS

I spent a lot of time evaluating different ways to deploy an application to the cloud (let's assume AWS for this question) in the last few weeks but couldn't really find a satisfying solution. We ...
3
votes
2answers
2k views

Why is my Rails application hanging?

I have a Rails application of moderate complexity running under Apache/Passenger which becomes unresponsive after periods of idleness. It takes several minutes to respond, but can be temporarily ...
1
vote
1answer
545 views

Ruby Enter Your Password to Create App

I have just installed ruby on rails on a Centos server with directadmin following http://blog.ilwilliams.net/installing-rails-3-with-apache-on-centos/ I'm now in a non privileged user account ...
1
vote
1answer
849 views

Error 'you must supply a name when declaring a config resouce' when deploying a rails app to OpsWorks

When moving a rails app from engine yard to OpsWorks, I am getting the following error: Error executing action `deploy` on resource 'deploy[{{ app path }}]' you must supply a name when declaring a ...
2
votes
2answers
652 views

SELinux - logrotate is not rotating NGINX logs

I am using CentOS, NGINX and Passenger to serve a Rails application. I have SELinux activated, and have had a series of problems with logrotate. I have been able to resolve most of the issues by ...
0
votes
0answers
71 views

What could cause Ruby's free heap slots to rapidly increase?

I'm diagnosing why our Rails servers seem to leak memory. In looking at New Relic today, I noticed that "Free heap slots" of our Ruby VMs seems to jump from almost nothing up to the baseline level of ...
5
votes
2answers
2k views

Restore a versioned S3 bucket to a particular point in time

Let's say I've got S3 versioning enabled for my bucket: http://docs.aws.amazon.com/AmazonS3/latest/dev/Versioning.html Then, let's say someone (for example, junior employee) messes up the S3 bucket ...
1
vote
3answers
589 views

Nginx + Unicorn multiple apps with locations - routing

I would like to run multiple rails apps with just using different location blocks. Different unicorn workers are started and configured, they are working just fine. Every app is under the same ...
2
votes
3answers
2k views

Config Subdomain to point to heroku app

I have to host a subdomain of my domain to heroku app. For example abc.com points to a Hostgator account. I want to configure app.abc.com to heroku app. The domain is registered with godaddy. Can ...