Building Ruby on Rails

Building Ruby on Rails

Below versions of Ruby on Rails are available in respective distributions at the time of creation of these build instructions:

• Ubuntu 18.04 has 4.2.10-0
• Ubuntu 20.04 has 5.2.3
• Ubuntu 20.10 has 5.2.4.3
• SLES 15 SP2 has 5.2.3

The instructions provided below specify the steps to build Rails version 6.1.2.1 on Linux on IBM Z for following distributions:

• RHEL (7.8, 7.9, 8.1, 8.2, 8.3)
• SLES (12 SP5, 15 SP2)
• Ubuntu (18.04, 20.04, 20.10)

General Notes:

• When following the steps below please use a standard permission user unless otherwise specified.
• A directory /<source_root>/ will be referred to in these instructions, this is a temporary writable directory anywhere you'd like to place it.

Step 1: Build Ruby

1.1) Build Ruby

• Building Ruby (For RHEL (7.8, 7.9) , SLES 12 SP5)

1.2) Correct the gem environment for a standard user

• RHEL (7.8, 7.9) , SLES 12 SP5

     export GEM_HOME=$HOME/.gem/ruby
     export PATH=$HOME/.gem/ruby/bin:$PATH
  

• RHEL (8.1, 8.2, 8.3)

     export PATH=$HOME/bin:$PATH
  

Step 2: Install Ruby on Rails

2.1) Add build dependencies

• RHEL (7.8, 7.9)

  sudo yum install -y patch make gcc
  

• RHEL (8.1, 8.2, 8.3)

  sudo yum groupinstall -y 'Development Tools'
  sudo yum install -y redhat-rpm-config zlib-devel.s390x zlib.s390x ruby-devel.s390x make gcc patch
  

• SLES 12 SP5

  sudo zypper install -y patch make gcc
  

• SLES 15 SP2

  sudo zypper install -y ruby2.5 ruby2.5-devel gcc zlib-devel gawk make patch tar gzip
  

• Ubuntu (18.04, 20.04, 20.10)

  sudo apt-get update
  sudo apt-get install -y ruby ruby-dev make gcc zlib1g-dev patch
  

2.2) Install Ruby on Rails via gem

   gem install rails -v 6.1.2.1              # For RHEL and SLES 12.x
   sudo gem install rails -v 6.1.2.1         # For Ubuntu and SLES 15.x
   sudo ln -sf /usr/lib64/ruby/gems/2.5.0/gems/railties-6.1.2.1/exe/rails /usr/bin/rails   # For SLES 15.x

2.3) Ruby on Rails is now installed. Verify version with command rails -v

• (Output)

  Rails 6.1.2.1

References:

• http://rubyonrails.org/