Questions tagged [ruby]

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

474 questions
79
votes
4 answers

How to find and install latest Ruby version using RVM?

I finally got RVM working and now I would like RVM to install the latest stable ruby version. In the tutorial I am using they installed ruby 1.9.3 with command : rvm install 1.9.3 Now I want to know if there is a command to download the latest…
Private
  • 4,074
70
votes
7 answers

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 foundation. I have a dependency that requires a…
31
votes
4 answers

How can I completely remove Ruby + Rails + Gems?

I have messed up my Ruby dev environment on Ubuntu 10.04. What is the best possible way to remove these packages from my system? Ruby All Gems RubyGems To start fresh, I would like to re-install Ruby using RVM.
zengr
  • 818
30
votes
3 answers

How to install jekyll?

According to the jekyll site, this is how you make a new website with jekyll: ~ $ gem install jekyll ~ $ jekyll new myblog ~ $ cd myblog ~/myblog $ jekyll serve gem install jekyll didn't work, nor did sudo gem install jekyll: └─>gem install…
Jonathan
  • 7,470
24
votes
2 answers

Why do I need to run "/bin/bash --login"

I have just setup a new Ubuntu 13.10 server with ruby 2.1.1 installed through rvm. The problem is that whenever I switch to the user "rails" (the user I installed ruby and rails with) I have to run /bin/bash --login before Ubuntu recognises that…
23
votes
5 answers

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 - if that is possible. I found this question/answer…
aSteve
  • 459
22
votes
5 answers

How do you install less css command line compiler?

From my understanding and correct me if I'm wrong, I have to get ruby or NPM installed to get the less css compiler working. I don't have any ruby installed and I'm not really sure how to get my computer to that point. I also want to minimize my…
20
votes
2 answers

How do you uninstall Ruby 1.8.7 and install Ruby 1.9.2?

Does anyone know how to properly uninstall Ruby 1.8.7 and install Ruby 1.9.2 on Ubuntu 11.10? I have thoroughly searched and none of the tutorials I've found have worked. Also, I spent a very long time trying to get RVM to work and it just is a pain…
Dmat00
  • 235
17
votes
2 answers

Install ruby 2.2.3 via apt

How to install Ruby 2.2.3 via apt on Ubuntu Wily? I tried sudo apt-get install ruby2.2-dev and sudo apt-get install ruby2.2 (What's the difference, btw) and both commands seem to have installed quite a bunch. However, there's no ruby executable…
16
votes
2 answers

How do I upgrade to Ruby 2.2 on my Ubuntu system?

I’m using Ubuntu Linux. Below is the uname info myuser@myinstance:~$ uname -a Linux myinstance 3.18.0-52-generic #123-Ubuntu SMP Fri Feb 19 14:27:58 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux I’m trying to upgrade the version of Ruby on my machine,…
Dave
  • 2,315
16
votes
4 answers

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 command: install (LoadError) cannot load such file…
14
votes
3 answers

Error when starting Redis server: "Address already in use"

I am trying to install redis, according to the instructions here : https://redis.io/download, but getting the error : Creating Server TCP listening socket *:6379: bind: Address already in use when I run command ps -ef|grep redis i see : nomi …
Nomi
  • 143
14
votes
7 answers

How do I set up Ruby on Rails?

I am interested in setting up a Ruby on Rails environment on my 10.10 laptop. Is there anything special I need to keep in mind for installation (i.e. that could be new or unique to 10.10)? Are there any suggested walkthroughs that I could follow…
rifferte
  • 696
14
votes
2 answers

WARNING: You don't have in your PATH, gem executables will not run

I installed a tools package my friend recommended and this is what I keep getting when I try to upgrade. My system has also started freezing after I installed the tools. ryan1@ryan1:~$ sudo apt-get upgrade Reading package lists... Done Building…
14
votes
4 answers

How do I install ruby-rvm?

I want to install a rails environment on Ubuntu 11.04. I tried: $ sudo apt-get install ruby-rvm But got the error: Unable to locate package ruby-rvm My other PC has Ubuntu 11.10, and this works fine there: $ sudo apt-get install ruby-rvm $ rvm…
Ben
  • 390
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