先安装Java SDK

yum install -y java-1.8.0-openjdk-devel

接着下载lein，并执行下载环境

mkdir -p /opt/bin
wget https://raw.githubusercontent.com/technomancy/leiningen/stable/bin/lein
mv lein /opt/bin/
chmod +x /opt/bin/lein
wget https://github.com/technomancy/leiningen/releases/download/2.7.1/leiningen-2.7.1-standalone.zip
mkdir -p ~/.lein/self-installs/
mv leiningen-2.7.1-standalone.zip  ~/.lein/self-installs/leiningen-2.7.1-standalone.jar
/opt/bin/lein
/opt/bin/lein upgrade
/opt/bin/lein repl