Can't Setup Ruby Environment - Installing Fii Gem Error

can't setup ruby environment - installing fii gem error

Make sure that you have installed Apple Xcode and Command Line Tools (look at this screenshot):

https://developer.apple.com/technologies/tools/

After that, don't forget to install libffi.

1) if you are using homebrew

brew install libffi

2) if you are using macport

sudo port install libffi

Issue with gems in RVM, Ruby and Rails installation

The problem stemmed from my installation of Ruby. Apparently, as stated in this answer, "a non-LLVM version of GCC" is no longer included in the XCode command line tools.

Installing ruby with:

rvm install ruby --with-gcc=clang

Worked and I installed RVM, Ruby and Rails within about 10 minutes, despite it taking me a week of debugging and reinstalling otherwise.

An error occurred while installing json (1.8.6), and Bundler cannot continue

This can be solved by doing the following

1. Installing the ruby development environment by running the following command(for Linux machines).

sudo apt-get install ruby
ruby -e 'puts RUBY_VERSION[/\d+\.\d+/]' -dev

Read this post for more details.

2. Now install the json -v '1.8.6' gem by running the following command.

sudo gem install json -v '1.8.6'

This should solve the issue. Now try running bundle update and bundle install and it should work fine.

Thanks @TomLord and @Haider Ali for your inputs.

Can't install pg gem on Windows

The message you're getting is a clear indication that you lack something for the correct installation of that gem:

Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers. Check the mkmf.log file for more
details. You may need configuration options.

There is no Windows native version of latest release of pg (0.10.0) released yesterday, but if you install 0.9.0 it should install binaries without issues.

Anyhow, if you want to install the gem, you need a build environment installed. If you're using RubyInstaller, then you need the DevKit

Installation of the gem will only require you provide additional options to gem installation (like --with-pg-dir)

subst X: "C:\Program Files (x86)\PostgreSQL\8.3"
gem install pg -- --with-pg-dir=X:
subst X: /D

How to solve xcpretty uncaught Exception

After a quality time research I did not get any solution but below code which I customize is working fine for me.

sudo gem install -n /usr/local/bin xcpretty

Elastic Beanstalk: can't find gem bundler (= 0.a) with executable bundle (Gem::GemNotFoundException)

So here's the programmatic solution to the above problem. Create the below file under .ebextensions/gem_install_bundler.config:

files:
  # Runs before `./10_bundle_install.sh`:
  "/opt/elasticbeanstalk/hooks/appdeploy/pre/09_gem_install_bundler.sh" :
    mode: "000775"
    owner: root
    group: users
    content: |
      #!/usr/bin/env bash

      EB_APP_STAGING_DIR=$(/opt/elasticbeanstalk/bin/get-config container -k app_staging_dir)
      EB_SCRIPT_DIR=$(/opt/elasticbeanstalk/bin/get-config container -k script_dir)
      # Source the application's ruby, i.e. 2.6. Otherwise it will be 2.3, which will give this error: `bundler requires Ruby version >= 2.3.0` 
      . $EB_SCRIPT_DIR/use-app-ruby.sh

      cd $EB_APP_STAGING_DIR
      echo "Installing compatible bundler"
      gem install bundler -v 2.0.1

Then when you next eb deploy, the bundler will have been updated to version 2.0.1, and you won't get the above error again.

More information in the docs here:

https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/custom-platform-hooks.html

and here:

https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/customize-containers-ec2.html#linux-files

Last note: Ensure that you either commit these changes before running eb deploy, or stage them and run eb deploy --staged. See: https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/eb3-cli-git.html. I learned this the hard way!

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