《问》Install Ruby On Rails on Ubuntu 20.04 Focal Fossa

《问》

Install Ruby On Rails on Ubuntu 20.04 Focal Fossa

pre-install

sudo apt install curl
curl -sL https://deb.nodesource.com/setup_12.x | sudo -E bash -
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-get update
sudo apt-get install git-core zlib1g-dev build-essential libssl-dev libreadline-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt1-dev libcurl4-openssl-dev software-properties-common libffi-dev nodejs yarn

install ruby

git clone https://github.com/rbenv/rbenv.git ~/.rbenv
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc
echo 'eval "$(rbenv init -)"' >> ~/.bashrc
exec $SHELL

git clone https://github.com/rbenv/ruby-build.git ~/.rbenv/plugins/ruby-build
echo 'export PATH="$HOME/.rbenv/plugins/ruby-build/bin:$PATH"' >> ~/.bashrc
exec $SHELL

rbenv install 2.7.1
rbenv global 2.7.1
ruby -v

check ruby

ruby -v

install bundler

gem install bundler
rbenv rehash

check bundler

bundler --version
>> Bundler version 2.1.4

install rails

gem install rails -v 6.0.2.2

rbenv rehash 

check rails

rails -v

references

How to Install Ruby 2.6 & Rails 6 on Ubuntu 20.04