[Oracle] 오라클 12c 네트워크 구성

🔸 호스트 네임 변경

[root@ora19c ~]# hostname ora12c
[root@ora19c ~]#
[root@ora19c ~]# su - oracle
마지막 로그인: 월  8월 25 14:48:51 KST 2025 일시 :0
[oracle@ora12c ~]$
[oracle@ora12c ~]$ su -
암호:
마지막 로그인: 월  8월 25 15:04:00 KST 2025 일시 pts/1
[root@ora12c ~]#
[root@ora12c ~]#
[root@ora12c ~]#
[root@ora12c ~]# cat /etc/hosts
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.13.119 ora19c

[root@ora12c ~]# vi /etc/hosts
[root@ora12c ~]#
[root@ora12c ~]# cat /etc/hosts
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.13.119 ora12c