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

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0
votes
2answers
599 views

Fix bash_profile to Develop Ruby on Rails Apps

I just installed Ruby and Rails stuff on my machine, and start to learn. But every time I close the Terminal and re-open it, I have to re-type the command . ~/.bash_profile in order to run Rails ...
2
votes
2answers
3k views

Why am I getting a “install rails” prompt when it already is installed?

I'm inside of the terminal right now and just about to make a new application. I'm inside of the app folder, did rails new --help and pops up: The program 'rails' can be found in the following ...
7
votes
3answers
11k views

Install Ruby 2.0 with OpenSSL and ReadLine support

I have a fresh Ubuntu 12.04 VM, and I would like to install Ruby 2.0.0-p0. I am able to get Ruby installed easily enough, but I am unable to get gems to work. $ gem install bundler ERROR: Loading ...
11
votes
5answers
13k views

Package for Ruby 2.0 on precise

Has there been any news from the maintainers of Ubuntu packaging of Ruby as to whether they'll be releasing a package for Ruby 2.0? If so, have they indicated whether they'll be releasing any packages ...
0
votes
1answer
248 views

How to automate installing ruby and setting it as the global system version?

Installing ruby is easy enough using apt-get install ruby1.9.1. But how can I set it as the default/system/global ruby in a automated fashion?
1
vote
5answers
5k views

I can not remove Ruby1.9.3p0 from ubuntu. What is the process?

I have installed ruby 1.9.3p0 and on executing the command ruby -v it shows the version 1.9.3p0 installed. When i try to remove it by command sudo apt-get remove ruby1.9.3p0 it says package not found ...
2
votes
1answer
56 views

Ruby select! method missing after latest update

When I tried to run some code after yesterday's update to Ruby 1.9, I got this error: undefined method `select!' for ["58720262"]:Array (NoMethodError) I got the same error when I tried it in irb. ...
4
votes
2answers
8k views

Determine which version of a gem is installed?

Is there a way via CLI to determine which version number of a gem is installed on my machine? Similar to yolk -l for python? I'm trying to see if I have the latest version of compass / sass / zurb ...
3
votes
1answer
2k views

Installing Jekyll with gem

Im using Ubunto 12.04 I am trying to install Jekyll through gem with sudo gem install jekyll but i get this error at some point of the installation: ERROR: While generating documentation for ...
0
votes
1answer
9k views

How to upgrade ruby software to Ruby 1.9.3-p385 using sudo?

I had installed it using sudo apt-get install ruby1.9.3. I am using ruby 1.9.3p194 (2012-04-20 revision 35410) [x86_64-linux]in my laptop. Now I want to upgrade it more latest version Ruby ...
1
vote
1answer
7k views

Ruby IDE in Ubuntu [duplicate]

Could you people help me by saying a good Ruby compatible IDE in Ubuntu and its installation and settings with Ruby environment? I really need that one. I don't want Rails version,only Ruby 1.9.3. I ...
7
votes
2answers
526 views

How to 'cd' to a directory found with 'find'?

I have a file in gmai.rb in the below directory: root@ubuntu:~# find / -name gmail.rb|more /media/aruprakshit/FA686DE4686DA05D/Rubyscript/gmail.rb But when i am trying to reach to the Rubyscript ...
0
votes
2answers
3k views

gem install error: “cannot load such file — zlib”

I'm trying to install ruby on rails from scratch on Ubuntu 12.10. Getting help from this post: echo "[[ -s '${HOME}/.rvm/scripts/rvm' ]] && source '${HOME}/.rvm/scripts/rvm'" >> ...
0
votes
2answers
482 views

using and installing rubyonrails

i need help here. i am new to programming and interested in learning rubyonrails. i installed the above mentioned software on ubuntu 12.10 using i found on ubuntu community page. after installation, i ...
0
votes
1answer
2k views

Ubuntu root .bashrc file

I was installing rvm and for some reasons i changed first line on root's .bashrc what was there? i inserter if [[ -n "$PS1" ]]; then and see that i'm root, can't undo... What string is first like ...
3
votes
0answers
2k views

Failed to install a ruby gem, eventmachine

I attempts to run a script that prompt Could not find gem 'eventmachine (= 0.12.10) ruby' in the gems available on this machine. Run bundle install to install missing gems. Then I runs ...
0
votes
1answer
667 views

Why can't I install libnotify in Ubuntu 12.10?

my env: play@ubuntu:~$ gem env RubyGems Environment: - RUBYGEMS VERSION: 1.8.24 - RUBY VERSION: 1.9.3 (2012-11-10 patchlevel 327) [x86_64-linux] - INSTALLATION DIRECTORY: ...
0
votes
1answer
391 views

I cannot get /mnt/hgfs in ubuntu 12.10

I have installed Ubuntu 12.10 in VMWare 5.i need to mount my project(using aptana studio 3,Ruby on Rails project in my workspace).I have even shared workspace in VMWare.but still i cannot see it when ...
5
votes
1answer
3k views

Cannot install sqlite3

OS: Ubuntu 12.04 LTS $sudo apt-get install libsqlite3-dev The following packages have unmet dependencies: libsqlite3-dev : Depends: libsqlite3-0 (=3.7.9-2ubuntu1) but 3.7.9-2ubuntu1.1 is to be ...
1
vote
2answers
145 views

Ruby: Problem with Different Versions

I posted this question before but I had 11.04 which is not supprted. So now I updated to 11.10, but still the problem is not solved. I want to use ruby 1.9.1 . The problem I am facing is shown below. ...
1
vote
0answers
48 views

Ruby: Problem with updating [closed]

I want to use ruby 1.9.1 . The problem I am facing is shown below. I wish someone could help me out. $ uname -a Linux almb-PC 2.6.38-15-generic-pae #66-Ubuntu SMP Tue Aug 14 17:45:09 UTC 2012 i686 ...
0
votes
3answers
1k views

Postgres gem won't install on 12.10

I am trying to get Ruby on Rails working on my computer but the pg gem keeps failing. I have found a lot of other questions saying that you just need to use the libpq-dev package from apt and that ...
1
vote
1answer
1k views

Redmine - backlogs - No such file to load — nokogiri

I'm trying to install backlogs 0.9.9 plugin for redmine 2.1.2 under ubuntu 12.10. Following the Backlogs installation guide remine_install_path$ RAILS_ENV=production bundle exec rake db:migrate ...
1
vote
2answers
904 views

Contacting Pulse Audio over dbus?

I am trying to write a basic volume application. Since I'm writing this in Ruby I don't want to extend the C library or use ffi, instead I trying to write this with ruby-dbus I got the Address ...
0
votes
1answer
655 views

rake aborted! undefined local variable or method

In a fresh new Ubuntu machine, I have installed ruby with sudo apt-get install ruby1.8 and then installed rubygem1.8 with : sudo apt-get install rubygems and after that installed ...
0
votes
1answer
624 views

rake db:migrate not working in rails

I executed the following statements in terminal: rails tickets cd tickets ruby script/server //to run the app tickets on localhost:3000 ruby script/generate scaffold ticket name:string ...
0
votes
1answer
154 views

Install Ruby 1.8 documentation?

My Ubuntu 12.04 already have ruby 1.8 installed, but I can't find a way to install documentation for ri , tried with libcommandline-ruby-doc package but it seems it's not it?
0
votes
1answer
904 views

Unable to start the web application from localhost:3000(ruby on rails)

I had created a demo web application by executing rails tickets and then i executed rails script/server to run it on localhost. Initially i was able to execute the application in the browser by ...
2
votes
1answer
859 views

Unable to install RVM using curl

When i try to install the rvm using curl it displays the following message:- vverma@l-vverma:~$ curl -L get.rvm.io | bash -s stable % Total % Received % Xferd Average Speed Time Time ...
2
votes
1answer
393 views

How to install older ruby version on ubuntu Precise Pangolin?

I got a present: older Rails tutorials that needs old ruby version. I try to install ruby-1.8 with the packet manager. I still got problems with the tutorial example code. Next I try rvm to install ...
2
votes
1answer
1k views

How to build an USB driver and data extractor (Magnetic Card Reader)? [Python, Ruby]

So I have this magnetic card reader (generic) I bought from the internet (it's chinesse) the problem is it has a manual but it is in chinesse (hahhaha) So I don't understand it... I have two Linux ...
1
vote
1answer
8k views

Could not find a valid gem 'rails' (>= 0) in any repository

I am trying to install rails using the following command: sudo gem install rails and get the following error: ERROR: Could not find a valid gem 'rails' (>= 0) in any repository ERROR: ...
1
vote
2answers
1k views

Launching a Ruby Script from the bash does not work, even with the shebang

I am using Ubuntu 12.04 64 bits. I've recently installed the ruby1.9.1 package and the wx-ruby gem using : sudo gem install wxruby-ruby19 in order to install the ruby1.9 compatible version. So I ...
1
vote
1answer
693 views

error when installing rmagic gem on Ubuntu 12.04 for Ruby on Rails

I am trying to get my Ruby on Rails application working and installing RMagic gem. But I get an error that says "Can't install RMagick 2.13.1. Can't find the ImageMagick library or one of the ...
3
votes
1answer
358 views

Gedit Ruby 1.9.x syntax highlighting

I have a problem with Gedit and it's way of highlighting new Ruby syntax. In Ruby 1.9.x, we can write Hash this way: { class: 'class_name', id: 'uniq_id' } instead of { :class => 'class_name', ...
0
votes
1answer
1k views

Trying to run rubymine but getting error no JDK found

Getting the following: ERROR: cannot start RubyMine. No JDK found. How can I fix this so that rubyMine starts?
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
4answers
6k views

bundle command gives permission denied - /var/lib/gems How to overcome?

From trying to do bundle I get: $ gem install bundler Fetching: bundler-1.2.0.gem (100%) ERROR: While executing gem ... (Errno::EACCES) Permission denied - /var/lib/gems
3
votes
1answer
221 views

How can I use Ruby with Quickly?

Recently I came across Quickly. A very nice thing Ubuntu is doing in order to simplify creation of good looking applications that integrates well with Ubuntu desktop in every respect. While the demo ...
0
votes
1answer
1k views

Missing gem 'cgi (>= 0) ruby'

Everything was working, but today I get this error: Could not find gem 'cgi (>= 0) ruby' in the gems available on this machine. I have ruby1.9.1-dev installed.
0
votes
0answers
114 views

I am trying to set up a ubuntu sever 12.04 on my machine [closed]

I am trying to set up a server on my home network which will eventually host rails. I am not great in linux server and i try to follow the prompt. I did succesfully get to a black screen which then ...
5
votes
2answers
22k views

How to get /usr/bin/env ruby to point to the correct ruby environment?

So I was making a cgi ruby script and had the following at the top of the script file: #!/usr/bin/env ruby require 'rubygems' require 'action_pack' require 'cgi' After a couple of hours of not ...
9
votes
3answers
5k 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
1answer
2k views

Single user rvm needs sudo, and adding users to rvm group

I am following the instructions on the rvm site. First, I tried to install for single users: $ curl -L https://get.rvm.io | bash -s stable % Total % Received % Xferd Average Speed Time ...
4
votes
1answer
2k views

Why does Ubuntu think Rails 2.3.14 is installed even though I installed 3.2?

I am pretty new to Ubuntu, Ruby, and Rails. I am working my way through the first Rails Guide. Midway through that guide, I upgraded Ubuntu version 11 to Ubuntu version 12. While I was on version 11, ...
1
vote
1answer
7k views

Uninstall RVM, Ruby, Ruby gem and rails in Ubuntu 12.04

What is the best way to remove RVM, Ruby, Ruby gem and rails in Ubuntu 12.04 ?
0
votes
1answer
1k views

Eclipse juno: Can't install RadRails throws error for a gem I have installed already

The thing is I installed Ubuntu 12.04, Java (for Eclipse), Eclipse, ruby, ruby gems, rails. Everything went smooth. When I tried to prepare Eclipse for ruby on rails, I installed ruby dev kit plugin. ...
1
vote
1answer
35 views

Is there an online documentation repository for ruby like it is for Matlab? [closed]

Is there an online documentation repository for ruby like it is for Matlab? A site that documents the functions and objects, their uses, parameters, etc? Matlab online Documentation
0
votes
1answer
41 views

Can I submit a ruby gem I'm working on for ubuntu app showdown?

I've been working on a ruby project, can I submit this for app showdown? Basically its a sinatra app, runs a site on localhost, which plays songs in browser
4
votes
1answer
4k views

Can't install gems from behind proxy

I'm running 12.04 in a VM, and I am behind a corporate proxy. I've got the environment variables set (tried both all lower and all upper case for [http|https|ftp]_proxy, as well as not specifying the ...