安装服务
rpm -Uvh https://mirrors.aliyun.com/postgresql/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm
sed -i "s@https://download.postgresql.org/pub@https://mirrors.aliyun.com/postgresql@g" /etc/yum.repos.d/pgdg-redhat-all.repo
yum install -y postgresql15-server
/usr/pgsql-15/bin/postgresql-15-setup initdb
systemctl enable postgresql-15
systemctl start postgresql-15
配置用户
Q.E.D.