Can I install gems with apt-get on Ubuntu?

Question

I am new to Ruby and just diving in. The Ruby tutorial says I should get the packaging system from here: http://rubyforge.org/frs/?group_id=126

I am on Ubuntu Linux. The

Answer 1

For me in Ubuntu 20.04 I did 3 things to create a new Ruby and Rails app.

1. Install Ruby development version

sudo apt install ruby-dev

2. Install rails from gem

sudo gem install rails 

3. Create new application

rails new blog

I got error while installing rails(sudo apt install rails) only, So I installed devlopment version. I got permission related error while not using Sudo as well while installing gems and rails.