Ubuntu安装升级Ruby 2.7

更新Ruby安装源

sudo apt-add-repository -y ppa:rael-gc/rvm
sudo apt update -y
sudo apt -y install rvm

配置RVM命令

echo "source /usr/share/rvm/scripts/rvm" | sudo tee -a ~/.bashrc
source /usr/share/rvm/scripts/rvm

运行安装Ruby

rvm install "ruby-2.7.2"

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