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

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How to open a Ruby file in terminal?

I have a ruby file saved on my desktop as test.rb. How can I open it with terminal? I have already tried to use /home/desktop/test.rb and what I get in response is bash: /home/desktop/test.rb: No ...
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2answers
3k 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 ...
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1answer
210 views

Download a particular version of a package with apt

I wish to download a particular version of a package. The package in question is ruby1.9.3 which has a Ubuntu native version and a Brightbox PPA version. I have the PPA version installed and that ...
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1answer
2k views

Something is closing port 443?

I have Ubuntu 12.04 Server installed and serving a Ruby on Rails app with Apache and Passenger. I'm using iptables to control traffic. Yesterday, I setup Apache to use SSL for the site. After setting ...
0
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1answer
205 views

How do I install an Xbee? I am trying to do it with ruby

Download the ruby-xbee tarball from Here. Extracted the bundle into its permanent directory: cd to /ruby*pcc Did $ ln -s ruby-serial-port-0.6-linux-intel ruby-serialport-0.6 $ ruby extconf.rb ...
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3answers
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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 ...
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1answer
3k views

trouble updating “sudo apt-get update” [duplicate]

I've been trying to install ruby on rails and it requires me to run this command. I am new to Linux so I'm not very familiar with everything but this is what comes out after I type "sudo apt-get ...
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2answers
293 views

How can I install Vagrant on 12.04 if ruby-json is already installed?

I tried to install the software , which are in software center and new software like virtual box, but it is showing the error: Items cannot be installed or removed until the package catalog is ...
0
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1answer
164 views

Gmate Install Fail

I'm looking to install gmate to allow use of gedit for Ruby development. Currently I'm running Ubuntu 13.04 x64. I can add the required repository but when I "apt-get update" the following error is ...
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2answers
1k views

Gmate installation issue

I was following the link GMate and Using Gedit as a Ruby IDE to make my Gedit as IDE. But when all the command was running good,the below one throwing me an error. kirti@kirti-Aspire-5733Z:~$ sudo ...
2
votes
1answer
2k views

error Can't find the 'libpq-fe.h header

Trying to set up postgres for rails. bundle install gives: Can't find the 'libpq-fe.h header
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1answer
2k views

Installation of capybara-webkit ruby gem

I have following errors when I try to install capybara-webkit ruby gem Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension. ...
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vote
1answer
5k views

Couldn't find any package by regex - ruby

I need to install ruby1.9.3-dev sudo apt-get install ruby1.9.3-dev Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package ...
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2answers
2k views

ubuntu: facing problem in installing compass

I want to compile a sass file but whenever i run this command $ compass compile it gives me this error compass: command not found and i tried to install compass by this command $sudo gem install sass ...
0
votes
1answer
136 views

How to prevent installation of Ruby Version Manager on 12.04 Server from failing? (works on Desktop)

Here is some weird error I'm experiencing trying to install Ruby version manager on a server running Ubuntu 12.04: the problem is that when I make some test on my pc, which is Running 12.04 "regular ...
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1answer
547 views

Is swap enabled on this server? should it be?

We have a sysadmin configure a couple of servers at digitalocean. To me, it looks like swap wasn't enabled on this but it's been a VERY long time since I've had to do things like this. It's a rails ...
0
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1answer
544 views

Unable install rails in ubuntu 12.10

I am trying to install rails in my ubuntu 12.10, but I am unsuccessful in doing it. I am getting the error about packages. Here is the sample exmple E: Unable to locate package libsql What I did ...
0
votes
1answer
1k views

I downloaded ruby on rails, but it says it isn't installed.

I downloaded ruby on rails on ubuntu 12.10 through this tutorial http://technical-feeds.blogspot.ca/2013/02/how-to-install-ubuntu-and-ruby-on-rails.html. I did everything and it worked fine. I ...
2
votes
2answers
401 views

pdfbeads will only output a single page

Following the instructions from this page I take a djvu document, check it for any sign of corruption by opening it in djvulibre and it checks out fine. Copy it to my testing folder and rename it ...
0
votes
1answer
470 views

error: alternative gem can't be master: it is a slave of ruby

I am struggling to get ruby up and running, and i get this message in many installations update-alternatives: error: alternative gem can't be master: it is a slave of ruby The full message: ...
0
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1answer
2k views

How can I install ruby 1.8.7?

I am not ruby guy, but I have good experience with apache and php, but I find it really difficult to setup ruby 1.8.7, cause I find a lot of ways to do the same and I am pretty much confused. I want ...
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2answers
660 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
12k 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
14k 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
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1answer
274 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?
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5answers
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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. ...
5
votes
2answers
12k 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
8k 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
567 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
4k 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
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2answers
499 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
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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
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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
689 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
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1answer
410 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
153 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. ...
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vote
0answers
49 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 ...
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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
2k 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 ...
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vote
2answers
995 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
714 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
656 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
173 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
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1answer
1k 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
915 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 ...