Tag: Gem

How To Install and Configure Wraith

Posted on March 6, 2020 by Ellen Sletton

Category: Tutorials | Tags: CasperJS, Chrome, Convert, Crawl, Fuzz, Gem, GitHub, ImageMagick, PhantomJS, Regression Testing, Ruby, Screenshots, Selenium, SlimerJS, Vim, Visual Regression Testing, Visual Testing, WebDriver, Wraith, YAML

Reading Time: 10 minutes

What is Wraith?

Wraith is a visual regression testing tool which uses screenshot comparisons to assess visual differences in a website over time. It is currently hosted on GitHub and available under an Apache 2.0 open-source license.

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How to Install Ruby on Rails on CentOS 8

Posted on March 5, 2020 by Ellen Sletton

Category: Tutorials | Tags: Application development, CentOS, Curl, DNF, Framework, Gem, Gems, GnuPG, GnuPG2, Package Management, Package Manager, Programming, Rails, Ruby, Ruby Gems, Ruby-on-Rails, RVM, Source, UserMod

Reading Time: 8 minutes

Today we’re going to install Ruby on Rails using RVM (the Ruby Version Manager) onto a CentOS 8 server. Let's start by defining a few terms and definitions we will be using during the process.

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How To: Update Ruby On Rails (to Fix a Security Vulnerability)

Posted on January 15, 2013 by Patrick Hawkins

Category: Technical Support | Tags: Gem, Rails, Ruby, Security

Reading Time: < 1 minute

Ruby on Rails has of this writing released patches for a critical security vulnerability affecting nearly all versions of Rails. It is critical that your Rails applications be updated to one of the following versions:

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