APP 
postgresql-12编译安装1 准备环境修改yum源mkdir -p /etc/yum.bakmv /etc/yum.repos.d/* /etc/yum.bak/ &&curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo &&curl -o /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo &&am ......
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