Notes for installing Oracle 19c RPM on OraLinux 7

1) Check full_hostname in nano /etc/hostname

2) Before run configure add server to /etc/hosts (#ipadrress hostname short_hostname)

Afer installing&configure:

3) set password for oracle OS user

4) Login as oracle su - oracle

5) export ORACLE_HOME=/opt/oracle/product/19c/dbhome_1

6) export ORACLE_SID=ORCLCDB

7) $ORACLE_HOME/bin/sqlplus / as sysdba