Installing a Ruby on Rails app (Helpy) on CentOS 7.3 with Unicorn, Hiawatha and PostgreSQL
For practice, I went ahead and setup a Ruby on Rails app - Helpy - on CentOS 7.3. This is how I did it:
1. Get a more modern Ruby:
CentOS 7 comes with 2.0.0p648 which is kinda old by now. Download a more modern RPM from here: https …