sudo dnf install rubygem-rails          # Install Rubygem. RPM-packaged from Fedora official repositories

sudo dnf group install 'Ruby on Rails'  # Install Rails framework

sudo -i

dnf install gcc-c++ patch readline readline-devel zlib zlib-devel \

    libyaml-devel libffi-devel openssl-devel make \

    bzip2 autoconf automake libtool bison sqlite-devel

​

rvm install 2.7

​

rvm list

​

   ruby-2.4.4 [ x86_64 ]

 * ruby-2.5.1 [ x86_64 ]

=> ruby-2.7.0 [ x86_64 ]

​

# => - current

# =* - current && default

#  * - default

​

source /etc/profile.d/rvm.sh

rvm reload

​

rvm requirements run

​

Checking requirements for fedora.

Requirements installation successful.

​

rvm list known

​

rvm use 2.7 --default

​

Using /usr/local/rvm/gems/ruby-2.7.0

​

ruby --version

​

ruby 2.7.0p0 (2019-12-25 revision 647ee6f091) [x86_64-linux]

​

curl -sSL https://rvm.io/mpapis.asc | gpg2 --import -

curl -sSL https://rvm.io/pkuczynski.asc | gpg2 --import -

curl -L get.rvm.io | bash -s stable

​