# 更新系统sudo yum -y update# 安装curl -sL https://rpm.nodesource.com/setup_12.x | sudo bash -sudo yum clean all && sudo yum makecache fastsudo yum install -y gcc-c++ makesudo yum install -y nodejs# 验证node -v# 更新系统sudo yum -y update# 安装curl -sL https://rpm.nodesource.com/setup_12.x | sudo bash -sudo yum clean all && sudo yum makecache fastsudo yum install -y gcc-c++ makesudo yum install -y nodejs# 验证node -v