Install asdf (ruby, nodejs and yarn) in WSL2

#wsl2 #asdf #ruby #node

What is WSL2

Read Microsoft WSL2 Documentation

What is asdf

Read asdf virtual manager Documentation

Install WSL2

Video Reference: WSL 2: Getting started (Watch from Overview until PowerShell Commands (0:00 - 8.23))

Before installing asdf

In your Ubuntu, type code . to open up Visual Studio Code (VS Code)
Open your terminal in VS Code
In your terminal, it should be in already be Linux not Windows (You are in Windows if you have something like PS C:\Users\>), go to linux by typing wsl

$ PS C:\Users\>wsl

# Go to root directory
$ <user_name>: cd /

Do the following to get dependencies for wsl2 (else you might get the error when install ruby: BUILD FAILED (Ubuntu 20.04 using ruby-build 20210804))

For more information related to solving this problem: read here

$ sudo apt-get update
$ sudo apt install autoconf bison build-essential libssl-dev libyaml-dev libreadline-dev zlib1g-dev libncurses-dev libffi-dev libgdbm-dev

Install asdf

Follow the documentation of in asdf virtual manager Documentation

$ sudo apt install curl git
$ git clone https://github.com/asdf-vm/asdf.git ~/.asdf --branch v0.8.1

Add . $HOME/.asdf/asdf.sh and . $HOME/.asdf/completions/asdf.bash in the end of .bashrc file
Call code ~/.bashrc in your terminal

Close and refresh terminal

Close your terminal by clicking the rubbish bin icon
Reopen the terminal

Add plugins

$ asdf plugin add ruby
$ asdf plugin add nodejs
$ asdf plugin add yarn

Install language

Install ruby, nodejs and yarn latest version (or you can specify the version needed)

$ asdf install ruby latest
$ asdf install nodejs latest
$ asdf install yarn latest

Check the version installed (the versions mentioned here is the latest version I downloaded)

$ asdf list
nodejs
  16.8.0
ruby
  3.0.2
yarn
  1.22.11

Add to your shell

$ asdf shell ruby 3.0.2
$ asdf shell nodejs 16.8.0
$ asdf shell yarn 1.22.11

Add to global

$ asdf global ruby 3.0.2
$ asdf global nodejs 16.8.0
$ asdf global yarn 1.22.11

Install gems

Check where is languages installed

$ type -a ruby
ruby is /home/<user>/.asdf/shims/ruby

$ type -a node
node is /home/<user>/.asdf/shims/node

$ type -a yarn
yarn is /home/<user>/.asdf/shims/yarn
yarn is /mnt/c/Program Files (x86)/Yarn/bin/yarn

Check which ruby and gems your directory is referring to (in case you have more than 1 ruby version installed)

$ which ruby
/home/<user>/.asdf/shims/ruby

$ which gem
/home/<user>/.asdf/shims/gem

If not in .asdf/shims, do asdf reshim ruby 3.0.2 (specify the version yourself, mine here is 3.0.2)
Install gems

$ gem install rails

The rest can follow Installing Ruby on Rails Using asdf (starting 5:24)

References

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