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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Restart individual rails apps in nginx+unicorn

I have 15-20 independent rails applications on the same ec2 instance. The rails applications are deployed using apache + passenger with Railsbaseuri. RailsBaseURI /games <Directory ...
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1answer
740 views

nginx large file upload gives HTTP Error 413 Request entity too large in rails

I trying to build a rails application to upload large video file which will be hosted at s3.amazonaws.com server it works fine with smaller file but gives 413 Request entity too large error for large ...
0
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1answer
682 views

Unicorn 3 throwing tons of errors (Rails 3.0.3, Unicorn 3.0)

I just tried to upgrade to Unicorn 3.0. I changed my Gemfile and did a bundle install. When restarting my Unicorn I got tons of errors beginning with: Unhandled listen loop exception ...
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vote
1answer
238 views

File descriptor limit in nginx/Passenger app

We're running a Rails app in Passenger 4.0.45 and nginx 1.6.0 (installed by Passenger installer) running on Ubuntu 14.04. Under heavy load Passenger restarts all of the application processes. After ...
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1answer
1k views

Problems set-up Single Sign-On using Kerberos authentication

I need for Ruby on Rail application set authentication via Active Directory using Kerberos authentication. Some technical information: I are using Apache installed mod_auth_kerb In httpd.conf I ...
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2answers
385 views

Auto start Rails project upon boot (ubuntu)

I've been searching on this for 2 days. I tried three ways: 1.Add some file in init.d Ok I have to admit I dun know how to see error log , seems promising but doesn't work 2.Try start thin server ...
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0answers
78 views

How To Get My Rails Phusion Apache App To Use The Correct DocumentRoot

enter code hereOk this is obviously a rookie mistake of some description but I have followed this to the letter and cannot get my rails app public directory to be my document root. the tutorial says ...
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0answers
33 views

can download zip file from one computer but not another

I've got a rails 4.0.5 app that creates a zip file and then sends it to the user via send_file. Per the api docs, "disposition" is "attachment" by default, the environment is configured to use ...
2
votes
1answer
278 views

Passenger Module Fails On AWS Gem With 'Class Variable Name' Error

Opening Disclaimer: I'm all kinds of newb to the technologies involved in this question. But the Googles, she no yield-a the fruit. I'm trying to deploy a Rails app into production. This app works ...
2
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1answer
752 views

How to setup Proxy Cache with Nginx and Passenger

I use Nginx and Passenger for my rails application. I want to use proxy cache to cache my pages. However, every request go direct to my rails application. I don't know what wrong with my ...
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0answers
91 views

Why postgres 9.3 table keeps losing the primary key and indexes?

In pg 9.3 database, table engine_configs keeps losing primary key (id) and indexes. Here is the table: For the table shown above, we just added the primary key again and it is showing integer in ...
4
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1answer
377 views

Pre-populate vagrant synced folder contents

I'm currently building an rather complicated server stack (a ruby on rails app) that I want developers to be able to work on without having to install everything themselves. Therefore I use Vagrant to ...
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0answers
42 views

Uninitialized constant Grack::Bundle

Trying to setup Gitlab. I've cloned the repository, but upon attempting to start the application server I get this error: uninitialized constant Grack::Bundle The problem appears to be this gem: ...
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1answer
259 views

All Passenger processes suddenly hang - backtrace indicates reading POST data?

I've been having problems with my nginx/Passenger server where requests appear to be getting stuck, any subsequent requests don't complete, the queue gets up to its max, and the site starts serving ...
0
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1answer
233 views

Why is /usr/bin/env permission denied to rails server?

I've just set up rails on an apache server running on Ubuntu, and when I try to go to the root page it gives this error: An error occurred while starting up the preloader. It exited before signalling ...
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0answers
54 views

Javascript not working on phusion passenger apache server

I have this strange behaviour. My server works perfectly fine while i issue thin command to boot the server. thin -p 80 -e production But the click function vanishes when i do the same using apache ...
0
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2answers
53 views

Skip passenger instance stop on apache2 reload

When apache reloads cofig files all instances of passenger are stopped and must be spawned again, it creates a problem, because spawn of rails application isn't fast process. Is there any workaround ...
0
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0answers
180 views

Nginx to serve files from multiple locations - resources paths optimization

In my rails 4 app, I have assets pipeline to process my custom js/scss. I also use /vendor/assets/javascripts as a place for 3rd party libs - jquery, requirejs... Those, I don't want to process by ...
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0answers
225 views

Horizontal Versus Verticale Scaling for Large Scale RoR Application (High CPU and Memory Usage)

We are launching a high demand (several hundred simultaneous users) Ruby on Rails application and we are trying to determine the best way to scale. Currently, we have a setup that follows this ...
2
votes
2answers
538 views

Can't connect to Postgres in production

I'm trying to connect to my Postgres instance on a local IP, which I can connect to with no problem using the psql -h localhost command. However, which trying to run via rails, I get this: $ rails c ...
1
vote
1answer
780 views

Instances slow when connected to AWS load balancer

I have setup 5 t1.micro EC2's behind an AWS load balancer. All the instances slow down once they are connected to the LB. Eight out of 10 requests takes more than 30s even when I do the requests ...
0
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1answer
49 views

Should Rails apps be run by a system user or a regular user?

In a production environment on Ubuntu (12.04), should a Rails app be run by a system or a regular user? I'm creating a dedicated user to running the a rails app and I'm not sure whether to create a ...
0
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1answer
99 views

What are the advantages of using dedicated server software over framework built-in servers?

Being a beginner in the web world, I've always used Apache to develop applications in PHP. Getting tired of it, I learned Node.js, Rails and Django -- just to get a taste of each of the most used web ...
3
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0answers
170 views

Rails 4 Unicorn+Nginx on Ubuntu 13.04 VPS keeps crashing

I bought a years subscription at bluevm.com (found some coupon code, it was only about $15 for a whole year) to launch my first Rails Production server. I'm running Nginx with Unicorn and MySQL on ...
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0answers
144 views

Why isn't puma using all of its threads?

I'm using puma and nxinx, and as far as I can tell it is only ever using a single thread even when I start it with the default of 16 threads or more. I've set up a fresh rails app, then gone through ...
0
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1answer
535 views

Why is rails application always running in development mode?

I created rails application, and everything appears to be working fine, but I can't seem to figure out how to run the application in production mode. I specified in the example.com.conf (Apache ...
0
votes
2answers
193 views

How to debug Repository.fetch_changesets runned from ./script/rails runner

For some time I have been updating changesets manually on server with following command's: $ cd /custom/www-data/ $ source /custom/www-data/.rvm/scripts/rvm $ ./script/rails runner ...
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0answers
36 views

Redhat quitting process never works always have to kill it

I am working on a RedHat server creating a unicorn process. I have two sets of these processes being created. I am able to QUIT one of the process fine and do so over and over again create it and QUIT ...
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0answers
385 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 ...
0
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0answers
95 views

Application that works on webrick but fails in passenger

I have a ruby on rails application that starts successfully when I execute rails s -p 3000. But when I deploy it on apache or nginx using passenger, I get this result. The deployment instructions ...
2
votes
1answer
430 views

Nginx, setup https

I'm trying to setup https on my ubuntu server with NGINX ver 1.4.7 and Phusion Passenger 4.0.41. I created .key and .csr using these two commands sudo openssl genrsa -des3 -out server.key 2048 sudo ...
0
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0answers
263 views

NginX configuration to prevent “Slow HTTP Denial of Service”

I'm trying to configure NginX (in combination with Passenger and Rails) to prevent "Slow HTTP Denial of Service". What I'm trying to do to prevent it, is limiting the amount of requests per ...
0
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3answers
3k views

Passenger error: No such file or directory - config/environment.rb

I installed Redmine on MacOSX Server 10.6.8 according to this installation description. So far everything works fine: When I start webrick the server serves the Redmine pages. The gems and redmine are ...
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0answers
115 views

Redmine on Apache2 - moving passenger docroot + symlinks

I have to upgrade some production servers to ssl, one of them a Redmine host and i don't have experience with apache+passenger. Searches here and other places did not yet provide an answer for my ...
0
votes
1answer
135 views

How can you do dynamic, key-based SSH similar to GitHub?

I wan't to provide SSH/RSYNC like features to users of my app. I'd like them to just be able to paste/save an SSH key into my app similar to how GitHub does: So, my question is, once I let users ...
0
votes
1answer
352 views

Unable to load urls in iframe on using ajax call

My application is deployed under haproxy server with domain name say fireapp.com, server1 and server2 are two servers below. Haproxy is configured to handle all requests under /live/ url format from ...
0
votes
1answer
310 views

Trouble setting up Ruby with Nginx on CentOS 6.5

Following the instructions here: https://www.digitalocean.com/community/articles/how-to-deploy-rails-apps-using-passenger-with-nginx-on-centos-6-5 I get to the point of "Use vim /etc/init.d/nginx to ...
1
vote
2answers
167 views

How do I launch unicorn_rails as a startup script with rvm installed on my ubuntu 12.04 machine?

I have a rails app on my server. I have a script startup.sh which launches unicorn_rails and then nginx. In order to get my server to launch on system boot, I've added a line to call my startup ...
3
votes
1answer
458 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
1answer
90 views

NGINX: Route a call to localhost on a custom port to an external server

I have a problem with my rails app. An API of the app is looking for my forum (forum.example.com) on localhost on port 8082. I need to create a route that redirect every connection to 127.0.0.1:8082 ...
0
votes
0answers
325 views

Simple Rails 4 ActionController::Live example not working with Apache + Passenger

I am attempting to get ready to move our environment to Rails 4 and working through all the issues. Regretfully we are currently on Centos 5.5 so there were some hurdles to jump through just to get ...
1
vote
1answer
211 views

MySQL on a dedicated server vs increasing RAM on server with MySQL + Rails app

I'm running into scaling issues with a Rails app running on top of MySQL. I'm using memcached and have lots of indexes. I'm also starting to increase values for certain my.cnf settings like ...
1
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0answers
169 views

Why does Ruby on Rails run slowly on VMWare

We are experiencing slow performance of our Ruby on Rails application on a hosted server. Neither us nor our hosting provider have been able to accurately diagnose the reason for this. Indicators of ...
0
votes
0answers
139 views

Can't connect to Rails app after restarting Thin server

I have a rails app which works fine on localhost and used to work fine on my vps but after restarting the Thin server I got the same message on all browsers that they couldn't connect to the server. ...
4
votes
0answers
797 views

Creating a docker container from a capistrano deploy

I'm having a bit of a difficult time understanding how I can leverage my existing infrastructure code with Docker. I have a Ruby on Rails app that uses capistrano to push out deployments. I want to ...
0
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1answer
354 views

how to make webrick server accessible on the web on windows server 2008

This is a nuub question (i'm more of a programmer given an admin task right now). I have a rails application that works just fine on a remote windows server 2008 machine (it's rails 2.3.5, and I run ...
0
votes
1answer
192 views

Rails 4 app + nginx1.4.4 + passenger4.0.37 on a headless Ubuntu12.x server running on a VM on my local machine

At the moment, it gives me a disapointing blank page. No 500, no 404, no errors on the nginx log file, just a snowstorm of interrogations. And its been hours of googling without success. So if anyone ...
0
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1answer
3k views

Uninstall Ruby on Rails on CentOS 6

How can I remove Ruby on Rails and all associated gems? I tried yum remove ruby but get this response: yum remove ruby Loaded plugins: fastestmirror, security Setting up Remove Process No Match for ...
1
vote
2answers
3k views

Activesupport gem complains that it needs ruby 1.9.3 while it is already installed

I have problem installing paperclip gem in Ubuntu 12.04.2 LTS. Activesupport complains that it needs ruby 1.9.3 but I have it already installed. root@Ubuntu-1204-precise-32-minimal ...
1
vote
3answers
1k views

How should secret files be pushed to an EC2 (on AWS) Ruby on Rails application?

How should secret files be pushed to an EC2 Ruby on Rails application using amazon web services with their elastic beanstalk? I add the files to a git repository, and I push to github, but I want to ...