Jekyll theme could not be found

Question

Following the jekyll documentation found here: https://jekyllrb.com/docs/themes/ I was trying to install and change a gem based theme so I have chosen the jekyll-theme-primer fo

Answer 1

From what I gather, it looks like you did not add jekyll-theme-primer to your Gemfile, but instead simply executed gem "jekyll-theme-primer" in the terminal and later installed the gem correctly after encountering the Gem::CommandLineError

So, in short, simply follow the steps below:

• Add the theme-gem to your Gemfile
• add the theme to your _config.yml (correctly done already..)
• Run: bundle install (just to make sure Bundler is able to use it)
• Run: bundle exec jekyll serve

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Adding a theme-gem to a Gemfile:

Open your current Gemfile in a text-editor, and replace entire line gem "minima", "~> 2.0" with your theme gem. i.e. gem "jekyll-theme-primer", "~> 0.4"