0. 环境准备
安装依赖包
rpm -ivh compat-libstdc++-33-3.2.3-72.el7.x86_64.rpm
curl -o oracle-database-preinstall-18c-1.0-1.el7.x86_64.rpm https://yum.oracle.com/repo/OracleLinux/OL7/latest/x86_64/getPackage/oracle-database-preinstall-18c-1.0-1.el7.x86_64.rpm
yum install -y oracle-database-preinstall-18c-1.0-1.el7.x86_64.rpm
1. 创建用户、组、目录
su - root
groupadd oinstall
groupadd dba
useradd -g oinstall -G dba oracle
passwd oracle
mkdir /u01/app/oracle/product/18.3/dbhome_1
chown -R oracle: /u01
2. 配置Oracle用户环境变量
su - oracle
export ORACLE_BASE=/u01/app/oracle
export ORACLE_HOME=$ORACLE_BASE/product/18.3/