Linux system restart Oracle-12c steps

1, using the oracle user login:

[root@Oracle-12c /]# su – oracle

2, log oracle administrator account login:

[oracle@Oracle-12c ~]$ sqlplus / as sysdba

3, start SQL> startup

4, return to oracle user

SQL> quit

5, start the listener:

[oracle@Oracle-12c ~]$ lsnrctl start

 

The listener does not support service

6, re-visit the administrator account sqlplus / as sysdba, then mandatory registration service

7, Exit to return to oracle user to view the listening state lsnrctl status; 

Complete restart step

8, see the Oracle port