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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0
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2answers
62 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
284 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
595 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
1k 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
votes
1answer
50 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
112 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
votes
0answers
199 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 ...
1
vote
0answers
173 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
votes
1answer
807 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
247 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 ...
1
vote
0answers
37 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 ...
1
vote
0answers
411 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
122 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
562 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
votes
0answers
397 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
votes
3answers
4k 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 ...
0
votes
1answer
194 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
424 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
382 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
188 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 ...
1
vote
1answer
107 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 ...
1
vote
1answer
215 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
194 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
1answer
525 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
291 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
votes
1answer
4k 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 ...
-1
votes
2answers
37 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
724 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
260 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
votes
0answers
103 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: ...
3
votes
1answer
886 views

Nginx + Unicorn

I am working on a migration from nginx + passenger to nginx + unicorn and I have reached a point where I am a bit stuck. When I attempt to view my test server, I get nothing but a 404 page. I am sure ...
2
votes
1answer
441 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 ...
1
vote
0answers
232 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 ...
1
vote
2answers
70 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
629 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
381 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
1answer
2k views

How do i set a cronjob to use less CPU

I'm managing a server witch host several ruby on rails websites. I need a cron job for every website that does : send emails (notifications) create thumbnails Unfortunatly, every time the cron is ...
1
vote
0answers
290 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 ...
5
votes
2answers
4k views

Passenger + nginx: application doesn't run in production mode

I'm using Passenger + Nginx to run a Rails app. If i use "rails_env development;" the application works fine. But if i run in production mode, i get "We're sorry, but something went wrong.". I did ...
1
vote
0answers
232 views

Elastic Beanstalk Rails - Modify passenger config passenger_max_pool_size

I need to increase the passenger_max_pool_size for my Rails application running on passenger. I have used Elastic beanstalk for deployment. Any idea, how to go about this? Is there an optionsetting or ...
2
votes
2answers
1k 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; } ...
0
votes
1answer
121 views

Running a command before the Rails server starts under Apache

I'm currently running Apache with Passenger and a Rails 3.1 application. In my environment setup, I need to start sunspot - rake sunspot:solr:start RAILS_ENV=production - before I run the server. ...
2
votes
1answer
1k views

How to resolve high CPU + excessive stat(“/etc/localtime”) and clock_gettime(CLOCK_REALTIME) calls

I've been experiencing really high CPU on a ruby on rails app (see stack below) and have been trying to diagnose the possible causes to no avail. Stack: ruby 1.9.3 rails 3.2.6 Apache/2.2.21 ...
1
vote
2answers
250 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 ...
4
votes
1answer
3k views

Can't connect to Ruby on Rails Development Server on Centos 6.3

I've having trouble connecting to my Ruby on Rails development server: When I type in 192.168.0.10:3000 into a web browser on a different the connection just times out. I suspect the problem is with ...
0
votes
1answer
987 views

Error installing new rails version. Failed to build gem native extension

I am trying to build my first ruby on rails app using the following guide (http://ruby.railstutorial.org/chapters/a-demo-app#code-demo_gemfile_sqlite_version_redux) and have run into a few obstacles. ...
1
vote
0answers
445 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 ...
2
votes
3answers
158 views

How do I get started learning how to host my own VPS? [closed]

I am about to roll out a webapp that I developed in Rails, and am at the hosting decision stage. I am trying to figure out how to proceed. i.e. do I go Heroku or manage my own VPS. I like having ...