Dependencias para Ruby, si se omiten, cuando se instale Ruby desde rvm, pedirá instalarlas.
# Fedora
sudo 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
# Ubuntu
sudo apt-get install gawk libreadline6-dev libyaml-dev libsqlite3-dev sqlite3 \
autoconf libgdbm-dev libncurses5-dev automake libtool bison libffi-dev
sudo apt-get install nodejs
gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
\curl -sSL https://get.rvm.io | bash
source ~/.profile
Instalar Ruby Tarda su tiempo!!
rvm install ruby
ruby -v
Instalar Rails
gem install rails
rails -v
gem install sass
sass -v