When compilation gulp I get the following error:

LoadError on line ["55"] of /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb: cannot load such file -- compass-normalize Run with --trace to see the full backtrace

I'm using the below version of ruby and compass:

$ ruby -v
ruby 2.3.3p222 (2016-11-21) [x86_64-linux-gnu]

$ compass -v
Compass 1.0.3 (Polaris)
Copyright (c) 2008-2018 Chris Eppstein
Released under the MIT License.

How to install compass-normalize in ubuntu?


1 Answer 1


According to compass-normalize git hub


It is highly encouraged to install from the RubyGems build which can be found here.

From the command line:

$ gem install compass-normalize

You can also install the gem from your local clone:

$ git clone git://github.com/ksmandersen/compass-normalize.git
$ rake build
$ rake install


When creating a new project with compass:

$ compass create <my_project> -r compass-normalize --using compass-normalize

If using an existing project, edit your config.rb and add this line:

require 'compass-normalize'

To use the normalize plugin, just import and include normalize:

@import "normalize";

Note: SO Q&A discussion sudo-gem-install-or-gem-install-and-gem-locations

  1. You can also install gems in your local environment (without sudo) with

    gem install --user-install

  2. I recommend you install RVM and start a happy life with portable gem homes and different version of Ruby all living under one roof.

Regarding the second question mentioned in the comments below regarding DEPRECATION WARNING:

There is a known issue in compass which was mentioned here

A branch with fix was published here, updating compass with the fix can be done using:

git 'https://github.com/ably-forks/compass', branch: 'sass-deprecation-warning-fix' do
  gem 'compass-core'

Similar issue was mentioned here

  • gem install compass-normalize ERROR: While executing gem ... (Gem::FilePermissionError) You don't have write permissions for the /var/lib/gems/2.3.0 directory. Jan 29, 2018 at 10:13
  • Your gem command tries to install it as root you can execute the gem command as root using sudo however other methods are recommended - Please review this SO-Q&A how to install gem without using sudo
    – Yaron
    Jan 29, 2018 at 10:25
  • i write sudo gem install compass-normalize. Gulp working but, i have new problem after command gulp. Jan 29, 2018 at 10:53
  • DEPRECATION WARNING on line 87 of /usr/share/compass/frameworks/compass/stylesheets/compass/css3/_deprecated-support.scss: #{} interpolation near operators will be simplified in a future version of Sass. To preserve the current behavior, use quotes: unquote('"$moz-"#{$experimental-support-for-mozilla} "$webkit-"#{$experimental-support-for-webkit} "$opera-"#{$experimental-support-for-opera} "$microsoft-"#{$experimental-support-for-microsoft} "$khtml-"#{$experimental-support-for-khtml}') You can use the sass-convert command to automatically fix most cases. Jan 29, 2018 at 10:54
  • 1
    Good luck!Im glad to see you Jan 29, 2018 at 13:17

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