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 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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2answers
44 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 ...
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204 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 ...
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1answer
200 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 ...
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1answer
86 views

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
46 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
553 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 ...
3
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0answers
162 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
122 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 ...
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1answer
94 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 ...
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1answer
704 views

Rails app 502 with AWS Elastic Beanstalk running Puma & Nginx

I've been able to successfully get my application running on Beanstalk with Passenger, however I've had no luck with Puma. Whenever I deploy with to a Puma stack I get 502 Errors, my log files ...
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0answers
35 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
359 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 ...
2
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1answer
247 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 ...
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0answers
81 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 ...
0
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1answer
330 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 ...
2
votes
1answer
296 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 ...
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0answers
187 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 ...
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0answers
90 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 ...
1
vote
1answer
2k views

“768 worker_connections are not enough” error after a fresh installation of nginx and ROR

I have a fresh installation of nginx and ruby on rails. But it gives me a '500 Internal Server Error' while testing. The error.log for my app has the following: 2014/05/01 17:27:15 [alert] 1423#0: ...
0
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1answer
262 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 ...
0
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1answer
323 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
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2answers
151 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 ...
2
votes
1answer
341 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
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1answer
77 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 ...
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0answers
113 views

Can't deploy Ruby 2, Rails 4 app to Linode

I have a Rails 4 app and I want to deploy it to my Linode and I'm struggling a lot to get this working. I followed all the basic instructions from the Linode guides, also, installed all the ...
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0answers
291 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
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0answers
154 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 ...
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0answers
124 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. ...
0
votes
1answer
265 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 ...
4
votes
0answers
752 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
163 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 ...
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votes
2answers
29 views

Nginx: Changing user [closed]

I have root and deployer users in my ubuntu 13.10. I also have nginx, unicorn installed with Rails 4 application. I'm deploying my application using capistrano 3. Problem: When I prepare a env for ...
0
votes
1answer
455 views

Blocking/redirecting port 3000 with Nginx and Ruby On Rails (thin server)

I am setting up a server now that uses Ruby on Rails with the Thin server. I have set up Nginx to redirect all of my http://mysite.com to https://mysite.com(with ssl). I want all network traffic to ...
3
votes
1answer
254 views

What does this log mean?

While my application is running (with a lot of traffic), I see this in error log but I dont even understand what it is about. I guess it's optimizing some configuration but I need a more formal ...
0
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0answers
71 views

install redmine in shared apache server

I'm trying to install Redmine in a shared apache server. This means, I cant make the redmine/public folder my document root. My server is called server1, so I have some html and php pages at: ...
1
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0answers
166 views

Nginx Returning 504 Error

I'm getting a 504 error from Nginx on my Ubuntu server where I'm running Rails using Unicorn. When I look in the Nginx error.log.1, I see: 2014/01/21 18:06:02 [error] 698#0: *2 connect() failed ...
2
votes
1answer
337 views

Redmine won't start after move

I met trouble with redmine(or ruby configuration) when move from one server to another redmine@dirty:~/www$ ruby script/rails server webrick -e production ...
2
votes
1answer
100 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 ...
0
votes
0answers
110 views

Serve Rails app With Apache2/Passenger with no domain name

I have VPS, I am already serving a few PHP sites with Apache2. I now want to deploy a Rails app. I have set up the virtualhost in sites-available and enabled it with a2ensite. It looks like this ...
0
votes
0answers
106 views

How can I determine why I am getting error 500?

My setup is rails 3.2, with ruby 1.9.3 running on passenger and apache (production environment). I Recently used "mod_rewrite" to set up redirection for http -> https requests, and all went smoothly. ...
1
vote
2answers
65 views

Why server writes much more than reading the disk

I'm running one Ruby on Rails application, I use Passenger Nginx, Ruby on Rails 3.2, search gem Sunspot (which uses Solr as its search engine). My application works ok with around 6K active users but ...
0
votes
1answer
313 views

When does Linux run out of memory? [duplicate]

I'm trying to establish why a process keeps unexpectedly stopping, and one possibility is that the server is running out of memory, but I'm not sure I understand memory and Linux properly. Take the ...
1
vote
0answers
292 views

How to setup cross domain rules in discourse?

So i use the following page to gather information from the user and send it to forums.awake-gaming.com/posts for discourse to make a post for me . Url of page : awake-gaming.com/join-us.html Url, ...
1
vote
0answers
256 views

Rails app (Redmine) on Phusion Passenger is very slow on first request

I've recently deployed a Redmine app (production env) on an AWS server and every time I go to the page after a delay (10+ minues), it take a painfully long time for the page to load. After googling ...
0
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1answer
398 views

execjs error when running Ruby on Rails for the first time - “bundle install” and “rake about” show no issues as far as I see

I have recently installed Ruby on Rails on my Centos server as practice for installing in a production environment. In my Gemfile I have the following uncommented lines: source 'https://rubygems.org' ...
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vote
2answers
686 views

Explain load-balancing with Nginx like I'm five

I've found plenty of DIY posts and tutorials on how to configure Nginx as a load-balancer using upstream server: upstream backend { ip_hash; server 1.2.3.4; server 1.2.3.5; server 1.2.3.6; } ...
1
vote
2answers
164 views

ruby-on-rails app using webbrick server slow on some machines

I have a fairly simple ruby-on-rails app developed on mac, that was put into production on a debian web server. The web app uses the default webbrick server provided to run the app. The app runs ...
1
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0answers
348 views

nginx configuration for rails subdir deployment

I'm having quite a bit of trouble configuring nginx to serve my Rails app's static files; I mean all the files in the app's public/ folder, not just the files in Rails' asset pipeline. It seems I'm ...
1
vote
0answers
750 views

bundler: command not found: unicorn_rails

While restarting gitlab I get this: Starting both the GitLab Unicorn and Sidekiqbundler: command not found: unicorn_rails Install missing gem executables with `bundle install I installed gitlab ...