How To Install rubygem-rack on CentOS 8

rubygem-rack is a modular Ruby webserver interface

Introduction

In this tutorial we learn how to install rubygem-rack on CentOS 8.

What is rubygem-rack

Rack provides a minimal, modular and adaptable interface for developing web applications in Ruby. By wrapping HTTP requests and responses in the simplest way possible, it unifies and distills the API for web servers, web frameworks, and software in between (the so-called middleware) into a single method call. Also see https

We can use yum or dnf to install rubygem-rack on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install rubygem-rack.

Install rubygem-rack on CentOS 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install rubygem-rack using dnf by running the following command:

sudo dnf -y install rubygem-rack

Install rubygem-rack on CentOS 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install rubygem-rack using yum by running the following command:

sudo yum -y install rubygem-rack

How To Uninstall rubygem-rack on CentOS 8

To uninstall only the rubygem-rack package we can use the following command:

sudo dnf remove rubygem-rack

rubygem-rack Package Contents on CentOS 8

/usr/bin/rackup
/usr/share/gems/gems/rack-2.2.2
/usr/share/gems/gems/rack-2.2.2/MIT-LICENSE
/usr/share/gems/gems/rack-2.2.2/bin
/usr/share/gems/gems/rack-2.2.2/bin/rackup
/usr/share/gems/gems/rack-2.2.2/lib
/usr/share/gems/gems/rack-2.2.2/lib/rack
/usr/share/gems/gems/rack-2.2.2/lib/rack.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/auth
/usr/share/gems/gems/rack-2.2.2/lib/rack/auth/abstract
/usr/share/gems/gems/rack-2.2.2/lib/rack/auth/abstract/handler.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/auth/abstract/request.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/auth/basic.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/auth/digest
/usr/share/gems/gems/rack-2.2.2/lib/rack/auth/digest/md5.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/auth/digest/nonce.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/auth/digest/params.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/auth/digest/request.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/body_proxy.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/builder.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/cascade.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/chunked.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/common_logger.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/conditional_get.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/config.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/content_length.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/content_type.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/core_ext
/usr/share/gems/gems/rack-2.2.2/lib/rack/core_ext/regexp.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/deflater.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/directory.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/etag.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/events.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/file.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/files.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/handler
/usr/share/gems/gems/rack-2.2.2/lib/rack/handler.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/handler/cgi.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/handler/fastcgi.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/handler/lsws.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/handler/scgi.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/handler/thin.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/handler/webrick.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/head.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/lint.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/lobster.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/lock.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/logger.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/media_type.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/method_override.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/mime.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/mock.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/multipart
/usr/share/gems/gems/rack-2.2.2/lib/rack/multipart.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/multipart/generator.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/multipart/parser.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/multipart/uploaded_file.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/null_logger.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/query_parser.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/recursive.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/reloader.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/request.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/response.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/rewindable_input.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/runtime.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/sendfile.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/server.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/session
/usr/share/gems/gems/rack-2.2.2/lib/rack/session/abstract
/usr/share/gems/gems/rack-2.2.2/lib/rack/session/abstract/id.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/session/cookie.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/session/memcache.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/session/pool.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/show_exceptions.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/show_status.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/static.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/tempfile_reaper.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/urlmap.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/utils.rb
/usr/share/gems/gems/rack-2.2.2/lib/rack/version.rb
/usr/share/gems/specifications/rack-2.2.2.gemspec

References

Summary

In this tutorial we learn how to install rubygem-rack on CentOS 8 using yum and dnf.