Questions tagged [gem]
RubyGems is a package manager for the Ruby programming language. Ruby packages, known as gems, are managed via the 'gem' command-line tool. This tag is for all questions related to managing the Ruby packaging system: gem installation, updates, removal, troubleshooting, etc.
56
questions
4
votes
2
answers
760
views
Why Vagrant fails after OS upgrade?
Multiple packages upgraded like gem, ruby and its plugins. Now when I run vagrant up I get:
Vagrant failed to initialize at a very early stage:
The plugins failed to initialize correctly. This may ...
- 32.4k
4
votes
1
answer
1k
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:...
0
votes
0
answers
1k
views
How do I install [email protected] on ubuntu?
I am new to Linux and I am trying to setup a ruby on rails app from work. Now, the Gemfile wants to install therubyracer.
Upon running bundle install, it fails:
Fetching therubyracer 0.12.3
Installing ...
- 101
3
votes
1
answer
435
views
Installing gem5
I am trying to install gem5 using the below documentation:
https://www.gem5.org/documentation/learning_gem5/part1/building/
But in the documentation, the below commands does not work:
python3 'which ...
- 3,094
1
vote
0
answers
614
views
ERROR: Failed to build gem native extension "mysql" on wsl2 with ubuntu 20.04
I have tried to install gem install mysql on wsl2 but I got the error.
Building native extensions. This could take a while...
ERROR: Error installing mysql:
ERROR: Failed to build gem native ...
- 111
67
votes
7
answers
170k
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 ...
CommunityBot
- 1
0
votes
2
answers
2k
views
gem install failure
I am trying to install an instagram-crawler by using the gem command:
gem install instagram-crawler
But I am receiving the following error:
Building native extensions. This could take a while... ...
- 8,935
3
votes
0
answers
3k
views
Failed to install a ruby gem, eventmachine
I tried to run a script that return this error messaged:
Could not find gem 'eventmachine (= 0.12.10) ruby' in the gems
available on this machine. Run `bundle install` to install missing gems.
...
- 115k
1
vote
0
answers
2k
views
Redmine: Bundler could not find compatible versions for gem “actionpack”
I'm trying to configure plugin in redmine after getting a github link of the plugin it's installed successfully and these command running smoothly as:
sudo gem update
sudo gem install bundler
sudo ...
- 17.7k
14
votes
3
answers
20k
views
Error: Failed to build gem native extension when trying to download Rubocop
when I try "sudo gem install rubocop", I get...
Building native extensions. This could take a while...
ERROR: Error installing rubocop:
ERROR: Failed to build gem native extension.
...
- 258
1
vote
1
answer
361
views
Could not find rake-0.9.2 in any of the sources - Ubuntu 16.04
I am trying to install snorby, but I get this this error:
Could not find rake-0.9.2 in any of the sources
I tried to:
Delete Gemfile.lock
bundle install --no-deployment
bundle install rake
bundle ...
0
votes
1
answer
231
views
Uninstalling old xenial Ruby gems after bionic upgrade
When I upgraded to Bionic, Ruby was upgraded from its default Xenial version 2.3 to its default Bionic version 2.5. That means that Ruby gem-provided programs that I installed via gem install no ...
- 105
1
vote
0
answers
795
views
Problem installing a ruby gem on Ubuntu 16.04
I have a problem installing a Rubygem pdfbeads on my Ubuntu 16.04 and wonder if anyone could help.
I never used or ran ruby before, but I needed this gem as it is required within a DJVU-to-PDF file ...
- 105
3
votes
1
answer
2k
views
Problem with accessing an installed ruby gem package from a shell script under Ubuntu 16.04
I used snap to install the latest version of ruby under Ubuntu 16.04
$ sudo snap install ruby --classic
$ which ruby
/snap/bin/ruby
$ ruby -v
ruby 2.7.0p0 (2019-12-25 revision 647ee6f091) [x86_64-...
- 135
5
votes
1
answer
6k
views
Can't install RMagick 4.0.0. Can't find ImageMagick with pkg-config on Ubuntu 16.04
Trying to install pdfbeads on Ubuntu LTS 16.04 with the command
$ gem install pdfbeads
I'm getting the error message
"ERROR: Can't install RMagick 4.0.0. Can't find ImageMagick with pkg-config"
Below ...
- 3,094
2
votes
1
answer
7k
views
Error while trying to install zsteg
While trying to install zsteg on Ubuntu Server (Linux 4.8.0-49-generic x86_64) I encounter the following error:
$ sudo gem install zsteg
Building native extensions. This could take a while...
ERROR: ...
1
vote
0
answers
135
views
How to analyze output in gem5 simulation
How can we check the data sharing and parallelism for a benchmark in gem5 simulator.
I have run for 4 cores with 4 threads with 2 level cache where size of L1=4MB and L2=4MB respectively. I was told ...
- 21
1
vote
0
answers
143
views
How can I manage all my Ruby gems as Ubuntu packages?
Whenever I have to install Ruby software on our Ubuntu based webserver, I run into a new gem package manager problem that I never saw with Ubuntu packages. By now I really hate it, and got the idea ...
- 6,303
1
vote
1
answer
582
views
could not get gem5 running
kept having this message on my command console
"scons: *** No SConstruct file found.
File "/usr/local/lib/scons-2.4.1/SCons/Script/Main.py", line 923, in _main"
when i type this command scons build/...
- 111
0
votes
1
answer
2k
views
Failed to build gem native extension - Mastodon
I'm trying to install Mastodon (joinmastodon.org) on a Ubuntu 16.04 server.
Firs I get this
rbenv: version `2.5.3' is not installed (set by /home/mastodon/live/.ruby-version)
I installed the 2.5.3 ...
- 1
0
votes
2
answers
3k
views
Error occurred while installing bundle
Following error occurred while trying to configure githubpage from my local machine:
Error Displayed:
An error occurred while installing ffi
(1.9.14), and Bundler cannot continue.
Make sure that `...
- 133
0
votes
1
answer
1k
views
gem install bundler error [closed]
I am newbie here. When I tried to install gem install bundler, it gave me
ERROR: Could not find a valid gem 'bundler' (>= 0) in any repository
ERROR: While executing gem ... (Gem::RemoteFetcher::...
- 70.5k
6
votes
1
answer
8k
views
Can't install json 1.8.1
I'm trying to install json gem using ruby 2.2.3 (I've tried with other oversions), and I always get the same error:
Fetching: json-1.8.1.gem (100%)
Building native extensions. This could take a ...
- 1
0
votes
0
answers
635
views
colorls not available on some terminal emulators?
running into a weird issue that I have absolutely no idea how to troubleshoot (and didn't find anything useful on google) so figured I could ask for some guidance.
I have colorls installed and ...
- 155
3
votes
1
answer
721
views
Is ruby a pre-requisite to install gem?
I need to install gem on my Ubuntu 16.04 in order to install Travis CI CLI. Is it necessary to install ruby before installing gem? I literally have no idea about ruby and gem.
- 1,687
1
vote
1
answer
252
views
How can I fix these errors when trying to run a ruby-based project on NetBeans 6.9.1?
I am trying to run a ruby-based project on NetBeans 6.9.1 but nothing happens and Mongrel shows an error message.
ruby -v => 1.8.7
rails -v => 2.3.8
gem -v => 1.5.0
Error message:
/var/...
- 11
3
votes
1
answer
5k
views
can't bundle install json gem in ubuntu
I have installed ruby on rails using rvm . I am trying to bundle install an older project that I had on a former pc but I get the following error when I run the bundle install command:
Installing ...
- 159
3
votes
2
answers
2k
views
Installing Jekyll with gem
I'm using Ubuntu 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 ...
- 119
0
votes
1
answer
3k
views
The program 'gem' is currently not installed, but I installed it with \curl -L https://get.rvm.io | bash -s stable --ruby
I'm running Ubuntu 16.04, and trying to set up my environment for Ruby on Rails 5 using this guide: http://railsapps.github.io/installrubyonrails-ubuntu.html. As far as I can tell, the program 'gem' ...
- 5,441
3
votes
1
answer
372
views
Unable to install Github-Pages with gem?
I've been trying to install github-pages using gem.
I have Ruby v. 2.1.2:
✦ ruby -v
ruby 2.1.2p95 (2014-05-08 revision 45877) [x86_64-linux]
I installed Ruby using RVM and I've set 2.1.2 as my ...
- 76.7k
0
votes
1
answer
626
views
Just installed Ubuntu/Ruby, cant create rails project
so I've just started using Ubuntu a few days ago, started trying to get an IDE working for Ruby on Rails developement, downloaded/installed everything from scratch. I found out the first version of ...
- 76.7k
2
votes
1
answer
2k
views
Failing to install ruby gems required by vagrant plugin install vagrant-proxyconf
I have an Ubuntu 16.04 machine behind a proxy. From this machine I am able to use the proxy as expected using the http_proxy and https_proxy environment variables. However, when a new vagrant box is ...
CommunityBot
- 1
1
vote
1
answer
3k
views
Why can't I install bcrypt?
I've a problem: when I try to install some Gem with the command "bundle install", I recive this output:
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.
/usr/bin/ruby2.1 -r ./...
- 173
0
votes
1
answer
2k
views
Ubuntu 14.04 LTS:error parsing `Gemfile`: Undefined local variable or method `urce' for Gemfile. Bundler cannot continue
I'm new to Web App Development beginning with Ruby On Rails. To get started I followed this.
I'm in the final steps where it asks to create a Database (I'm using mysql) by running rake db:create but ...
- 5,051
1
vote
1
answer
2k
views
Gem Debugger won't install with bundle install
I have installed ruby on rails using rvm. I am using 2.2.0 ruby and 4.2.0 Rails. I tried running bundle install on an older project that I developed on a former pc but I get :
Gem::Ext::BuildError: ...
- 36
1
vote
0
answers
3k
views
Problems Installing Metasploit Framework on Ubuntu
I have encountered 3 problems while following this guide to installing Metasploit Framework on Ubuntu and Debian:
1) After installing proper version of ruby, there is a command given for installing ...
CommunityBot
- 1
3
votes
3
answers
5k
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 ...
- 5,051
0
votes
1
answer
634
views
I cant install Spree gem
Please help me to solve this problem. I have ubuntu 14.04. A new version of ruby.
roman@Salomon:~/shopcart$ spree install --auto-accept
gemfile spree
gemfile spree_gateway
gemfile ...
2
votes
2
answers
709
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
...
CommunityBot
- 1
1
vote
1
answer
906
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 ...
- 7,379
0
votes
1
answer
681
views
gem install eventmachine fails, using rvm
Ubuntu 13.10 64bit,
ruby 2.1.1
rvm 1.25.24
gem 2.2.2
from log file:
compiling pipe.cpp ...
CommunityBot
- 1
2
votes
1
answer
4k
views
puppet rspec no such file to load -- rspec-puppet (LoadError)
I have no prior experience at all of ruby. I am not interested in ruby (and so have no knowledge of rails etc) as such but am using puppet to manage a group of servers. I have written some modules ...
- 123
1
vote
2
answers
2k
views
Ruby - no such file to load [gems]
This is error:
[ERROR] no such file to load -- readline
[TIP] Try to run 'gem install readline' or 'gem install --user-install readline'. If you still get an error, Please see README file or https://...
- 4,955
0
votes
1
answer
964
views
gssapi requires Ruby version >= 1.9.1. on gem install
I'm trying to install knife-cloudstack plugin using gem install on Ubuntu 12.04 with chef-client configured and got error as said in title.
>gem install knife-cloudstack
ERROR: Error installing ...
- 13.3k
1
vote
1
answer
236
views
Gsl ruby gem on Ubuntu Saucy (13.10)
I'm trying to install the gsl gem on Ubuntu Saucy
I installed the relevant gsl packages with
sudo apt-get install gsl-bin libgsl0-dev
But then installing the gem fails
In file included from /usr/...
CommunityBot
- 1
3
votes
2
answers
2k
views
Unable to Install Guard
I've seen Guard and it's usefulness in web development and would like to install it. Naturally, I expected to be able to use sudo gem install guard to do so (yes, it is a Ruby Gem). However the ...
- 1,985
0
votes
1
answer
2k
views
why sudo gem install fails but gem install succeeds?
I simply do
sudo gem install sqlite3
and have response:
sudo: gem: command not found
Then I do gem install sqlite3
and it works. Where is the problem with sudo ?
- 14.9k
9
votes
3
answers
28k
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 ...
- 4,414
1
vote
1
answer
894
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:
...
- 201
2
votes
2
answers
400
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 ...
CommunityBot
- 1