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

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2
votes
2answers
19k views

Can't install a Ruby package: Failed to build gem native extension

I installed ruby 2.1.0 and package pdfbeads on 32bit 12.04 last year following the blog https://railssavvy.wordpress.com/2012/06/02/install_ruby_and_rails/, and it worked. Now it seems that I have ...
3
votes
0answers
2k views

Problem with installing rvm

I try to install rvm on Ubuntu 14.04. $ \curl -L https://get.rvm.io | bash -s stable --ruby % Total % Received % Xferd Average Speed Time Time Time Current ...
2
votes
1answer
163 views

Why did lolcat stop working after installing rvm?

After recently doing something that involved installing rvm, this error occurs when I try using lolcat. /home/max/.rvm/rubies/ruby- 2.2.0/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:...
1
vote
1answer
114 views

Gnome Tab not recognizing Rails anymore using ubuntu 14.04

I am having a strange issue , my main terminal is recognizing the RVM , Ruby and runs Rails command as well , and I had two tabs opened yesterday which were recognizing all of the commands . Today ...
1
vote
0answers
62 views

rack server won't start

I am a beginner to ruby and rack ; trying to start a rack server and the rackup config.ru command does nothing. right now my rackup file is #!/usr/bin/env ruby require "rack" Rack::Server.start ...
0
votes
1answer
510 views

Why the file has 0755, but 'Permission denied'?

Why the file has 0755, but I got an error 'Permission denied'? root@vagrant-ubuntu-trusty-64:~/.rbenv/versions/2.2.0/bin# ls -la total 14000 drwxr-xr-x 2 root root 4096 Feb 9 20:25 . drwxr-xr-x ...
-1
votes
1answer
775 views

how to compile ruby and python in ubuntu 14.10 [duplicate]

I've recently immigrated to Ubuntu and I don't know that much about it.i would be thankful if you could tell me step by step how to add ruby and python to Ubuntu 14.10. thanks
1
vote
2answers
3k views

/usr/bin/ruby1.9.1: No such file or directory — /usr/share/rubygems-integration/1.9.1/gems/bundler-1.3.5/bin/bundle (LoadError)

After installing ruby-rails-4.0 (4.0.2+dfsg-2) attempting to generate a new web application fails with the following error: $ rails new hello .... run bundle install /usr/bin/...
0
votes
1answer
127 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/ $ ....
0
votes
2answers
2k 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
95 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 ...
2
votes
0answers
64 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 ...
1
vote
1answer
2k 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 ...
1
vote
1answer
960 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 ppa:chris-lea/...
-1
votes
1answer
56 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
23 views

I have trouble making a ruby file [closed]

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 assert_equal(...
2
votes
1answer
271 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? ...
8
votes
3answers
12k 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

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
1answer
113 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
vote
0answers
197 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 ...
3
votes
2answers
8k 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 ...
1
vote
0answers
344 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 https://class.coursera.org/webapplications-002/forum/thread?...
3
votes
2answers
3k 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 /etc/dbconfig-...
0
votes
1answer
537 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
466 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
987 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
2k 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
vote
1answer
1k 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
2answers
454 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 ...
1
vote
1answer
705 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 libpq-...
0
votes
1answer
127 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 ...
1
vote
2answers
304 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 ...
1
vote
1answer
1k views

Ubuntu 12.04, ruby installation

I'm new to Ubuntu and Ruby and I have a problem, which seems to be strange. I needed to install Ubuntu because of problems with Ruby on Windows. I've installed Ruby, v. 1.9.3 (the same as I had on ...
2
votes
1answer
8k views

How to install ruby mine Ubuntu [duplicate]

I have already install RVM. Now I have download RubyMine-6.3.2.tar.gz From here http://www.jetbrains.com/ruby/download/ , But still I am confuse How can I install it on my system. I am using Ubuntu 12....
0
votes
1answer
355 views

Installation Of ruby on rails in ubuntu14.04 [duplicate]

How to install ruby on rails on Ubuntu 14.04? Which versions are better to install, and how to install ruby (version) rubygems, rubygems_update -v (version), mysql_server libmysqlclient-dev mysql2, ...
2
votes
1answer
472 views

error while running ruby application at system startup in ubuntu

I am on Ubuntu 12.04 machine. Have a script file which runs when entered manually in terminal gnome-terminal -e /home/precise/Desktop/cartodb/script.sh The content of script file is cd /home/...
1
vote
2answers
1k views

installing rvm in 12.04 ubuntu which is on virtualbox

I have tried a lot of methods but cant get this done. I am trying to install rvm on 12.04 ubuntu. There has been many problems in past like this and I have referred as much as I can and still nothing ...
1
vote
2answers
4k views

How to remove Ruby 1.9.1 keeping Ruby 2.0.0?

I have Ruby 2.0.0 installed on Ununtu 14.04 but I can't remove Ruby 1.9.1. I replaced the /usr/bin/ruby symbolic link to ruby2.0.0, but hhen installing new gems I always get pointed to Ruby 1.9.1. ...
0
votes
1answer
241 views

Broken dependencies while installing redmine using apt on fresh 14.04 [duplicate]

On vanilla 14.04: run aptitude chose package redmine see broken conflicting package problem (something with ruby-rack) How can I deal with it?
4
votes
2answers
10k 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 14....
20
votes
5answers
25k 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 - ...
2
votes
2answers
793 views

Unable to setup Jekyll In Ubuntu?

after upgrading to 14.04, Ruby was downgraded to 1.8.3 so I tried to upgrade using the following commands. sudo apt-get install libgdbm-dev libncurses5-dev automake libtool bison libffi-dev curl -L ...
3
votes
3answers
15k 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
1answer
2k views

sudo: ruby: command not found after ssh

I'm working with ec2 instances and was trying to execute a ruby script on another instance after ssh to that instance. I have a ruby script which updates configuration files, so i need to run that ...
3
votes
1answer
11k 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 http://stackoverflow.com/questions/11078166/how-do-i-install-ruby-1-9-3-on-...
4
votes
1answer
2k views

basic security tools and packages that should be installed on a public facing web server

I'm a newbie in this world and I do not have a lot of knowledge about how security works on Linux systems. I recently created a droplet on DigitalOcean with Ubuntu 13 and I've been setting it up by ...
0
votes
1answer
691 views

Failing to fetch some packages in update

I want to get ruby on rails on ubuntu 12.04 but I'm coming across errors that say I need to to update. I've copied the result of the end of update and not included the earlier part. I can add that ...
3
votes
0answers
2k views

Install compass 1 pre fails

I can not install compass version 1. $ ruby -v ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-linux] And when I do: $ sudo gem install compass --pre I get following error: Building native ...
1
vote
1answer
418 views

How do I launch my script from a launcher?

I have my custom script in Ruby with read permission, which starts with: #!/usr/bin/env ruby I can run that script from the terminal by typing that path. I added a file with .desktop extention to /...