A dynamic, open source programming language with a focus on simplicity and productivity. (quote: ruby-lang.org)

learn more… | top users | synonyms

7
votes
3answers
4k views

/sbin/getty process causing 100% CPU utilization

I have an instance of Ubuntu 12.04 LTS (GNU/Linux 3.2.0-25-virtual i686) running as a KVM-VM on a host-machine that runs one more VM beside it. I deploy a Ruby on Rails application using the ...
0
votes
2answers
211 views

Installing rbenv apt-get vs git checkout

I'm finding confliccting advice on how to install rbenv (and ruby) in recent ubuntu versions (13.10). Many guides suggest cloning from git, and updating bashrc etc. For example this guide on ...
0
votes
1answer
20 views

“Permission denied” when download from script(ruby) file [duplicate]

I want to download a project's dependencies from a script file in tutorial said: run this comment to download ./download-dependencies core my way was like this: $ cd Documents/ImageProccesing/ $ ...
1
vote
1answer
3k views

rvm /usr/bin/env: ruby no such file error

I've installed rvm + ruby systemwide. which ruby /usr/local/rvm/rubies/ruby-2.1.1/bin/ruby and: /usr/bin/env: ruby: No such file or directory Everything else works fine, putting direct path of ...
0
votes
2answers
23 views

How to access the Ruby Command line in ubuntu 14.04?

I have Installed Ruby On Rails of version 2.1.3p242 on my system. But I can't findout the ruby command line. I have searched but not found. I have try to to check through man ruby : Show some ...
1
vote
2answers
34 views

A Software Center review claims Ruby has a virus. Is it accurate?

I'm working on a Javascript webapp and trying to figure out how to add documentation. It seems like the only option is to install something that lives on a server. I thought maybe I'd try JSDuck. It ...
0
votes
0answers
15 views

can't resize images using paperclip on rails

so I am writing a rails app, I am using paperclip gem to upload images, here is my model class Recipe < ActiveRecord::Base has_attached_file :image, :styles => { :medium => "300x300>"} ...
2
votes
0answers
34 views

Termial not accepting options

I'm using Ubuntu 14.10, and for some reason the terminal command will not accept options. (I believe these are called option, please correct me if I am wrong). For example, when installing a new ...
8
votes
4answers
16k views

How do I install ruby-rvm?

I want to install a rails environment on Ubuntu 11.04. I tried: $ sudo apt-get install ruby-rvm But got the error: Unable to locate package ruby-rvm My other PC has Ubuntu 11.10, and this ...
0
votes
1answer
47 views

How to auto load source file on bash startup?

I recently installed Ruby Version Manager (RVM) to make use of the command called compass. Initially it was working find on installation, but now I get a missing error: The program 'compass' can be ...
0
votes
1answer
35 views

14.04 Live USB stick can't install nodejs

I'm running Ubuntu 14.04 on a USB stick, and I'm trying to get my Ruby on Rails dev environment setup. I'm having trouble installing nodejs. I used the method: sudo add-apt-repository ...
10
votes
4answers
13k views

Install ruby 2.0 without ruby-switch?

I'm finding the task of installing ruby 2.0 on the latest Ubuntu 14.04 rather frustrating. I'm aware that I could forgo the packages and install from source - but I'd far rather install a package - ...
-1
votes
1answer
25 views

Getting no file or directory on starting terminal in Ubuntu 14.04

I am getting the following message on terminal start -bash: /home/abhineel/.rvm/scripts/rvm: No such file or directory
1
vote
1answer
18 views

I have trouble making a ruby file

I try to make a file but it said 'The file is not valid.' require "./lib/NAME.rb" require "test/unit" class TestNAME < Test::Unit::TestCase def test_sample ...
0
votes
0answers
25 views

.ruby.bin consumes all my CPU at Boot

I have this problem that I need help with, when i start my PC, .ruby.bin takes up most if not all the resources....how do I stop it? I cant post any images from top output (reputation lack)
2
votes
1answer
59 views

How to make a Openbox dockapp with GTK?

I'm using Openbox and I want to make a dock-app (NOTE: not a dock like plank/docky but a dock-app like stalonetray or lal) in GTK+. How do I get the simple app I have written to sit in the dock area? ...
3
votes
3answers
701 views

How to install Ruby Ripper, or another app that does MP3s through a GUI

I have tried to install ruby ripper various times (raring) using code pasted from the internet. everytime i get to sudo apt-get install rubyripper, i get this back: E: Unable to locate package ...
0
votes
1answer
53 views

jekyll not respecting _config.yml — possible to upgrade?

Ubuntu 14.04 | default ruby 1.9.1 | Jekyll 0.11.2 Jekyll isn't respecting a number of my settings in _config.yml. I'm guessing this is because current Jekyll (gem) version is 2.3.0, but I could be ...
-1
votes
2answers
394 views

Can install Rails on Ubuntu 14.04 with Ruby 2.1.3

I am using Ubuntu 14.04. I wanted to use the latest ruby (version 2.1.3), so I installed it with RVM. rvm install ruby --latest rvm use ruby --latest --default But when I try to install Rails, i ...
0
votes
0answers
25 views

psql autocomplete stopped working suddenly

So I have psql 9.3 installed on my Ubuntu machine. Today I updated my Ruby and Ruby on Rails versions up to date and after that when I wanted to access my database in psql, I typed in as usual: psql ...
4
votes
3answers
2k views

Upstart tracking wrong PID of process - not respawning

I originally asked this question on StackOverflow. Then realised that this is probably a better place. I have bluepill setup to monitor my delayed_job processes. (Ruby On Rails application) Using ...
0
votes
2answers
101 views

how to set default to ruby 2.1.2

I have ruby 1.9.3 and 2.1.2, by opening the terminal by default it uses ruby 1.9.3 but i wanted to use ruby 2.1.2, can you please help me about., how to set default to ruby 2.1.2..?? Thank you!
0
votes
2answers
2k views

Installing Rails on Ubuntu 13.04

I tried installing rails according to this guide, and when I do, I get this error: $ sudo gem install rails WARNING: Error fetching data: Errno::ENOENT: No such file or directory - getaddrinfo ...
0
votes
0answers
17 views

How to configure ufw to allow ruby gem installs on 12.04?

I have the following setup: To Action From -- ------ ---- 10022 ALLOW IN Anywhere 80 ALLOW IN ...
0
votes
0answers
23 views

Problems installing Betty in zsh

I tried to install Betty in zsh like that: cd ~ && git clone https://github.com/pickhardt/betty echo "alias betty=\"~/betty/main.rb\"" >> ~/.zshrc source ~/.zshrc I installed her in ...
0
votes
0answers
20 views

How to install vagrant if ruby is already installed in the system?

I had installed ruby via rbenv and installed the latest stable version from their repository. I have also configured ruby for all the users. Now, when I am trying to install vagrant via apt-get it ...
1
vote
0answers
71 views

Confusion for mime files: magic, magic.mgc, magic.mime

I'm using Ubuntu. I'm trying to use ruby gem 'shared-mime-info' for an application I'm writing. I understand that magic.mgc is a compiled version of magic file which has magic number definitions for ...
2
votes
1answer
1k views

OpenSSL installed, but Ruby unable to require it

I'm trying to setup github-pages on my Ubuntu laptop, and following the guide provided by Github I have to install the bundler package; giving the command ~$ gem install bundler returns me this ...
0
votes
0answers
100 views

Error installing rvm on Ubuntu 12.04

I'm taking a web applications development course on Coursera that requires me to install Ruby and Rails. I'm following the instructions at ...
0
votes
0answers
303 views

How to solve dependencies for sass,compass and susy on ubuntu 12.04

I use Ubuntu 12.04 and I am trying to install sass, compass and susy and make them work together but have a problem with dependencies over sass. I tried installing all of them with the --pre flag to ...
2
votes
2answers
935 views

How to let redmine update after Ubuntu 14.04 upgrade?

I have not been able to update my redmine. Everytime I ran apt-get upgrade, I'm getting a ruby not found error: Setting up redmine (2.4.2-1) ... dbconfig-common: writing config to ...
2
votes
2answers
1k views

How to resolve Ruby on Rails ImageMagick conflict?

I am trying to install refinerycms, a Ruby on Rails CMS on Ubuntu 10.04 LTS. I run rails server and I get the following exception: carcher@carcher-laptop:~/Code/tgc$ rails server => Booting ...
24
votes
1answer
9k views

How to install jekyll?

According to the jekyll site, this is how you make a new website with jekyll: ~ $ gem install jekyll ~ $ jekyll new myblog ~ $ cd myblog ~/myblog $ jekyll serve gem install jekyll didn't work, nor ...
2
votes
2answers
3k views

How to install ruby 1.8.7 back on Ubuntu 14.04 after upgrade?

Upgrading to 14.04 removed my ruby 1.8.7. I need it back. :) Badly. Some old projects still rely on it. Gems seems to be left untouched. How do I install ruby 1.8 back while still keeping Ubuntu ...
0
votes
1answer
268 views

Install Ruby, Rails, Gems, Passenger for 1.8.7 on Ubuntu 14.04

I am trying to move a Ruby site to a new host that's running Ubuntu 14.04, but it needs Ruby 1.8.7. I can use rvm to install 1.8.7, but I'm unsure of how to get rails, gems, and passenger working for ...
1
vote
1answer
29 views

How to install postgressql-server

For ruby development on Heroku I need to use postgresql, but when I do bundle install I see this message: You need to install postgresql-server-dev-X.Y for building a server-side extension or ...
13
votes
3answers
21k views

How to find and install latest Ruby version using RVM?

I finally got RVM working and now I would like RVM to install the latest stable ruby version. In the tutorial I am using they installed ruby 1.9.3 with command : rvm install 1.9.3 Now I want to ...
1
vote
1answer
3k views

How to install rubygems in Ubuntu 12.04 with Ruby 1.9.3

So I used these commands: sudo apt-get install ruby 1.9.3 cd /etc/alternatives sudo ln -sf /usr/bin/ruby1.9.3 ruby from ...
0
votes
0answers
37 views

Cannot find libglade2 for ruby

I'm using 12.04 and try to run ruby 1.8 code that calls libglade2 library. In the ruby code: require libglade2 But ruby says it cannot find it (LoadError). I searched for it but could not ...
1
vote
1answer
162 views

Bundle install fatal error

I am migrating my project over to a new machine and I am having trouble running bundle install on the machine I am trying to use. When I run: bundle install I get this error: Unfortunately, a ...
0
votes
2answers
341 views

rvm cant install ruby 2.0.0-p451

Hello I am trying to install ruby 2.0.0-p451 via: rvm install ruby 2.0.0-p451 and I get the following error: Searching for binary rubies, this might take some time. No binary rubies available for: ...
1
vote
1answer
753 views

bundle install permissions denied

Hello I am working on a new ubuntu machine and when I run tasks like: bundle install or rvm get head I get errors like: Downloading https://get.rvm.io bash: line 709: /usr/local/rvm/RELEASE: ...
-1
votes
1answer
397 views

I have a problem to install metasploit on ubuntu 12.04

I have installed metasploit on my ubuntu 12.04 but the problem when i write aboziad@aboziad:~$ msfconsole Could not find rake-10.0.4 in any of the sources Run `bundle install` to install missing ...
6
votes
2answers
159 views

Is it possible to update the app indicator from code?

I use ruby-libappindicator bindings to manage ubuntu application indicators. I want to indicate if port 3000 is used by any application. Port checking isn't a problem but I also need to update the ...
1
vote
1answer
257 views

Package 'ruby1.8-dev' has no installation candidate [duplicate]

How can I solve this error? sudo apt-get update sudo apt-get install ruby1.8-dev sudo apt-get install mysql-server sudo apt-get install libgemplugin-ruby Currently I am getting this error: sudo ...
1
vote
1answer
5k views

Rails bundler error installing Nokogiri (1.5.5) and Bundler cannot continue

An error occurred while installing nokogiri (1.5.5), and Bundler cannot continue How to fix and get past the error? Installing nokogiri (1.5.5) with native extensions ...
1
vote
1answer
71 views

FATAL: role “roelof” does not exist

I did install postgresql according to the manual. But as soon as I do rails server I see the above error. Roelof Edit 1: the sudo -u postgres createuser roelof did the trick but now when I do rake ...
0
votes
1answer
65 views

Question about compiling from ruby source and upgrade

I have three questions about compiling ruby (and other softwares) from source. Ruby is avaliable to install using apt-get, but I want to learn more about Linux and I want to compile from source. I am ...
16
votes
2answers
33k views

How do you uninstall Ruby 1.8.7 and install Ruby 1.9.2?

Does anyone know how to properly uninstall Ruby 1.8.7 and install Ruby 1.9.2 on Ubuntu 11.10? I have thoroughly searched and none of the tutorials I've found have worked. Also, I spent a very long ...
1
vote
2answers
66 views

Daemonize process with autostart

I have simple script written in Ruby. I'd like to run as a background task (daemon process or service). What is more want to have control over it so that I can start and stop it. It will be perfect ...