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.
57
questions
-1
votes
0
answers
76
views
remove useless dependencies in ruby gem
I deleted some packages in gem but their dependencies have not been removed. How can I remove additional dependencies?
I used sudo gem install package to install the useless packages in RubyGems.
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 ...
3
votes
1
answer
407
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 ...
1
vote
0
answers
604
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 ...
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 ...
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 ...
1
vote
0
answers
788
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 ...
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-...
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 ...
1
vote
0
answers
132
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 ...
1
vote
0
answers
140
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 ...
0
votes
1
answer
228
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 ...
4
votes
2
answers
748
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 ...
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... ...
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 ...
0
votes
0
answers
631
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 ...
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
vote
1
answer
251
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/...
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: ...
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.
...
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' ...
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 `...
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 ...
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 ...
0
votes
1
answer
625
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 ...
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 ...
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 ...
1
vote
1
answer
577
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/...
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: ...
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 ...
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::...
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 ...
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
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 ...
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 ./...
1
vote
1
answer
902
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
1
answer
680
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 ...
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://...
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 ...
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/...
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 ...
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 ?
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 ...
2
votes
2
answers
708
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
...
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:
...
1
vote
1
answer
2k
views
can't rake, missing gem but it's available
I'm trying to rake but I keep getting this
As you can see, i18n (0.6.4) is installed and alive, so what's going on? what am I missing?
I have tried to uninstall and install again, all went well but ...
67
votes
7
answers
169k
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
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 ...
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.
...
1
vote
1
answer
15k
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: Possible ...