Windows子系统WSL2 ubuntu-20.04 安装Ruby:
![在这里插入图片描述](https://img-blog.csdnimg.cn/20201230101100577.png)
安装Ruby:
cd ~
git clone https://github.com/rbenv/rbenv.git ~/.rbenv
vim ~/.bashrc
# 再最下面添加如下两行:
export PATH="$HOME/.rbenv/bin:$PATH"
eval "$(rbenv init -)"
# wq保存退出
# As an rbenv plugin
$ mkdir -p "$(rbenv root)"/plugins
$ git clone https://github.com/rbenv/ruby-build.git "$(rbenv root)"/plugins/ruby-build
# 安装对应依赖
apt-get install autoconf bison build-essential libssl-dev libyaml-dev libreadline6-dev zlib1g-dev libncurses5-dev libffi-dev libgdbm6 libgdbm-dev libdb-dev
rbenv install -L # 查看所有版本
rbenv install 2.6.6 # 安装指定的ruby版本
rbenv global 2.6.6 # 添加至全局
ruby -v # 查看是否安装成功
rbenv详情参考: https://github.com/rbenv/rbenv
ruby-build详情参考:https://github.com/rbenv/ruby-build
ruby-build依赖详情参考:https://github.com/rbenv/ruby-build/wiki