Ruby on Rails 6 Setup Ubuntu 18.04

Rails Setup.txt

Commands from http://howtoforge.com/tutorial/ubuntu-ruby-on-rails
Yarn from https://linuxize.com/post/how-to-install-yarn-on-ubuntu-18-04/

gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 \
7D2BAF1CF37B13E2069D6956105BD0E739499BDB

curl -sSL https://get.rvm.io | bash -s stable --ruby

Restart terminal

rvm version

rvm get stable --autolibs=enable
rvm list known
rvm install ruby-2.7.0
rvm --default use ruby-2.7.0
ruby -v

curl -sL https://deb.nodesource.com/setup_10.x | sudo -E bash -

sudo apt install -y nodejs
sudo apt install gcc g++ make

gem update --system
gem -v

gem install rails
rails -v

curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list

sudo apt update
sudo apt install yarn
yarn --version

rails new demoproject
cd demoproject
rails s
rails g scaffold post title body:text views:integer
rails db:migrate
rails s

cd /
sudo mkdir code
sudo chmod 777 code
cd code

rails new demoproject
cd demoproject
rails s
rails g scaffold post title body:text views:integer
rails db:migrate
rails s