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

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1answer
137 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 ...
0
votes
2answers
675 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
1k 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
6
votes
1answer
827 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. ...
0
votes
1answer
2k 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 ...
0
votes
2answers
545 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
128 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 ...
0
votes
1answer
305 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
votes
1answer
370 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
581 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
1answer
197 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
309 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: ...
1
vote
0answers
321 views

create_admin aborted! undefined method `source_index' for Gem:Module

trying to get gitorious running.. i got undefined method `source_index' for Gem:Module from env RAILS_ENV=production ruby1.8 script/create_admin when I run: env RAILS_ENV=production ...
0
votes
1answer
1k 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 ...
0
votes
2answers
419 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
2k 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 ...
5
votes
3answers
7k 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 ...
10
votes
5answers
11k 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
139 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
2k 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
43 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. ...
0
votes
2answers
107 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
1k 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
7k 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
4k 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 ...
6
votes
2answers
461 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
1answer
1k 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'" >> ...
1
vote
0answers
321 views

Multiple versions of ruby without RVM

I have been trying to understand RVM and decided to do so by not using it and seeing the consequences. I am trying to see how I can manage different versions of ruby and their gemsets without RVM. I ...
0
votes
2answers
403 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
1k 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
1k 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
516 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
288 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
2k 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
0answers
235 views

install dbmail or other e-mail database

I'm starting to use ruby to parse and store e-mails, but don't want to reinvent the wheel. I have a subset of e-mails, all in one account stored locally, which I would like to keep in a database. ...
1
vote
2answers
116 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
43 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
807 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
901 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
1answer
580 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
470 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
443 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
98 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
428 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
569 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 ...
0
votes
0answers
1k views

Unable to install rubygems on ubuntu

When i try to execute sudo apt-get install rubygems i get the following response Reading package lists... Done Building dependency tree Reading state information... Done The following packages ...
2
votes
1answer
206 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
758 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
4k 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
605 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 ...