ruby 環境windows macos安裝

windows環境配置

1. 更新windows

2. windows store --> 下載Ubuntu 18.04

-->管理員身份運行（https://www.hanselman.com/blog/RubyOnRailsOnWindowsIsNotJustPossibleItsFabulousUsingWSL2AndVSCode.aspx）
				 Enable-WindowsOptionalFeature -Online -FeatureName Microsoft-Windows-Subsystem-Linux
			  --> 打開 Ubuntu 18.04 ，install

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3. Ubuntu 18.04 環境安裝rvm

a. 更新源--修改成阿里源

sudo -
	sudo apt update
	sudo apt upgrade -y
	cd /etc/apt
	sudo mv sources.list sources.list.bk
	sudo touch sources.list
	sudo vim sources.list（拷貝阿里源內容 參考：https://yq.aliyun.com/articles/639051）
	
	=======================================================
	deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
	deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
	deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
	deb http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
	deb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
	deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
	deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
	deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
	deb-src http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
	deb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
	===============================================
	
	
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再次更新apt

sudo apt update
	cd ../../
	sudo apt update
	sudo apt upgrade -y	
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4. 安裝rvm（參考http://www.rvm.io/）

gpg2 --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB
	sudo apt install gnupg2
	gpg2 --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB
	sudo apt install dirmngr
	gpg2 --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB
	\curl -sSL https://get.rvm.io | bash -s stable
	curl -sSL https://rvm.io/mpapis.asc | gpg2 --import -
	curl -sSL https://rvm.io/pkuczynski.asc | gpg2 --import -
	\curl -sSL https://get.rvm.io | bash -s stable
	\curl -sSL https://get.rvm.io | bash -s stable --rails
	ruby -v
	sudo apt install ruby
	ruby -v
	rvm -v
	rvm -version
	rvm list known
	curl -L get.rvm.io | bash -s stable
	 rvm -v
	\curl -sSL https://get.rvm.io | bash -s stable --rails
	rvm -v
	ruby -v
	gem -v
	 rails -v
	gem sources --add https://gems.ruby-china.com/ --remove https://rubygems.org/
	 ruby list known
	 rvm list known
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5. VS code --> 安裝remote WSL插件

鏈接遠程ubantu文件

6. 建立 新工程

rvm gemset create rails5 // 命名新空間
 gem install rails -N
 gem list
  rvm list  // 查看相關依賴
	 rvm gemset list
	  rvm use 2.6.3@rails5
	  gem sources list
	  gem install rails -N
	  sudo mkdir ws
	   cd ws
	   rails new demo
	   cd ..
	  bundle install
	  
	  sudo apt-get install libgmp3-dev // 解決安裝過程當中的報錯  須要安裝這個包
	  gem install msgpack -v '1.3.1' --source 'https://rubygems.org/'
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macos環境安裝

安裝RVM

$ curl -L https://get.rvm.io | bash -s stable
  $ source ~/.rvm/scripts/rvm     # 命令終端load
  $ rvm -v    # 測試rvm是否安裝成功
  $ gem update --system # 更新
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安裝 ruby

$ rvm list known        # 查看可用ruby版本
  $ rvm install 2.4.1     # 安裝ruby
  $ rvm 2.4.1 —default    # 設置ruby版本
  $ rvm list              # 查看當前安裝的ruby
  $ ruby -v
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安裝gem

$ gem -v
//  通常是默認安裝了gem
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更換ruby鏡像源

$ gem sources --remove https://rubygems.org/ 
  $ gem sources --add https://gems.ruby-china.com/
  $ gem sources --add https://gems.ruby-china.com/ --remove https://rubygems.org/ 
  $ gem sources -l #(查看當前ruby的源)

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安裝rails

安裝 Rails，請使用 RubyGems 提供的 gem install 命令:
$ gem install rails
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