Tagged Questions

2
votes
0answers
40 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
99 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
votes
2answers
28 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 ...
0
votes
0answers
186 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 ...
-1
votes
1answer
59 views

Ruby gem load path error [closed]

i have problem ruby load path. I couldn't load image file in my codes. Why? My project file tree is lib/editor.rb lib/images/image.jpg lib/lang.rb lib/messages.rb lib/utils.rb myproject.gemspec and ...
2
votes
0answers
597 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 ...
1
vote
1answer
1k 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: ...
0
votes
1answer
39 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
3
votes
1answer
1k 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 ...
2
votes
1answer
1k views

How do I start a ruby/gem program?

I have installed taskjuggler (gem install taskjuggler), but now I have no idea how to start it... $ taskjuggler taskjuggler: command not found $ gem taskjuggler ERROR: While executing gem ... ...
1
vote
2answers
329 views

Can't run a program installed through gem install

I have installed Ruby using RVM. I did a gem install rspec command and it seemed to install rspec correctly. If I do a rspec I get a "The program 'rspec' is not currently installed" and I am ...
1
vote
1answer
367 views

Successfully installed SASS, but the terminal insists it isn't

I wanted to install sass version 3.2.0 alpha. I first ran sudo apt-get install libhaml-ruby1.8, which is what the console recommended It successfully installed, but it installed an older version ...
2
votes
2answers
272 views

Error while installing rails

Following this tutorial here, to install ruby on rails on ubuntu 11.10 with sqlite3 when I run the following command sudo gem install rails I get the following error : ERROR: Could not find a ...
4
votes
3answers
5k views

How do I update to the latest version of SASS?

This is really stupid but I've been Googling for an hour now and can't find the answer. I'm on Ubuntu 10.10, and I'm trying to update to the latest version of SASS so that I can use an @import rule ...