[root@rac1 Packages]# rpm -ivh ksh-20120801-26.el7.x86_64.rpm
경고: ksh-20120801-26.el7.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID ec551f03: NOKEY
준비 중...                         ################################# [100%]
Updating / installing...
   1:ksh-20120801-26.el7              ################################# [100%]

[root@rac1 Packages]# rpm -ivh libaio-devel-0.3.109-13.el7.x86_64.rpm
경고: libaio-devel-0.3.109-13.el7.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID ec551f03: NOKEY
준비 중...                         ################################# [100%]
Updating / installing...
   1:libaio-devel-0.3.109-13.el7      ################################# [100%]

[root@rac1 ~]# rpm -ivh oracle-database-server-12cR2-preinstall-1.0-2.el7.x86_64.rpm
경고: oracle-database-server-12cR2-preinstall-1.0-2.el7.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID ec551f03: NOKEY
준비 중...                         ################################# [100%]
Updating / installing...
   1:oracle-database-server-12cR2-prei################################# [100%]

[root@rac1 ~]# cat /etc/hosts
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
### Public
192.168.0.111  rac1
192.168.0.112  rac2
### Private
192.168.5.111  rac1-priv
192.168.5.112  rac2-priv
### Virtual
192.168.0.121  rac1-vip
192.168.0.122  rac2-vip
### DNS
192.168.0.120  rac-scan

[root@rac1 ~]# cat /etc/selinux/config

# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
#     enforcing - SELinux security policy is enforced.
#     permissive - SELinux prints warnings instead of enforcing.
#     disabled - No SELinux policy is loaded.
SELINUX=permissive
#SELINUX=enforcing
# SELINUXTYPE= can take one of three two values:
#     targeted - Targeted processes are protected,
#     minimum - Modification of targeted policy. Only selected processes are protected.
#     mls - Multi Level Security protection.
SELINUXTYPE=targeted

[root@rac1 ~]# systemctl stop firewalld
[root@rac1 ~]# systemctl disable firewalld
Removed symlink /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service.
Removed symlink /etc/systemd/system/basic.target.wants/firewalld.service.

[root@rac1 ~]# systemctl stop chronyd
[root@rac1 ~]# systemctl disable chronyd
Removed symlink /etc/systemd/system/multi-user.target.wants/chronyd.service.
[root@rac1 ~]# mv /etc/chrony.conf /etc/chrony.conf.bak
 
[root@rac1 ~]# systemctl stop ntpdate
[root@rac1 ~]# systemctl disable ntpdate

[root@rac1 ~]# systemctl stop avahi-daemon
Warning: Stopping avahi-daemon.service, but it can still be activated by:
  avahi-daemon.socket
[root@rac1 ~]# systemctl disable avahi-daemon
Removed symlink /etc/systemd/system/multi-user.target.wants/avahi-daemon.service.
Removed symlink /etc/systemd/system/sockets.target.wants/avahi-daemon.socket.
Removed symlink /etc/systemd/system/dbus-org.freedesktop.Avahi.service.

[root@rac1 ~]# virsh net-destroy default
default 네트워크 강제 종료
[root@rac1 ~]# virsh net-undefine default
default 네트워크가 정의되지 않음
[root@rac1 ~]# systemctl stop libvirtd
[root@rac1 ~]# systemctl disable libvirtd
Removed symlink /etc/systemd/system/multi-user.target.wants/libvirtd.service.
Removed symlink /etc/systemd/system/sockets.target.wants/virtlogd.socket.
Removed symlink /etc/systemd/system/sockets.target.wants/virtlockd.socket.

[root@rac1 ~]# cat /etc/resolv.conf
# Generated by NetworkManager
search localdomain
nameserver 127.0.0.1

[root@rac1 ~]# systemctl start dnsmasq
[root@rac1 ~]# systemctl enable dnsmasq
Created symlink from /etc/systemd/system/multi-user.target.wants/dnsmasq.service to /usr/lib/systemd/system/dnsmasq.service.

[root@rac1 ~]# nslookup rac-scan
Server:         127.0.0.1
Address:        127.0.0.1#53

Name:   rac-scan.localdomain
Address: 192.168.0.120

[root@rac1 ~]# groupadd oper
[root@rac1 ~]# groupadd backupdba
[root@rac1 ~]# groupadd dgdba
[root@rac1 ~]# groupadd kmdba
[root@rac1 ~]# groupadd racdba
[root@rac1 ~]# groupadd asmadmin
[root@rac1 ~]# groupadd asmdba
[root@rac1 ~]# groupadd asmoper
[root@rac1 ~]# useradd -g oinstall -G dba,racdba,asmadmin,asmdba,asmoper,vboxsf grid
[root@rac1 ~]# usermod -g oinstall -G dba,oper,backupdba,dgdba,kmdba,racdba,asmadmin,asmdba,asmoper,vboxsf oracle
[root@rac1 ~]# passwd grid
grid 사용자의 비밀 번호 변경 중
새  암호:
잘못된 암호: 암호는 8 개의 문자 보다 짧습니다
새  암호 재입력:
passwd: 모든 인증 토큰이 성공적으로 업데이트 되었습니다.
[root@rac1 ~]# passwd oracle
oracle 사용자의 비밀 번호 변경 중
새  암호:
잘못된 암호: 암호는 8 개의 문자 보다 짧습니다
새  암호 재입력:
passwd: 모든 인증 토큰이 성공적으로 업데이트 되었습니다.

[root@rac1 ~]# mkdir -p /u01/app/12.2.0/grid
[root@rac1 ~]# mkdir -p /u01/app/oracle/product/12.2.0/db_1
[root@rac1 ~]# chown -R grid:oinstall /u01
[root@rac1 ~]# chown -R oracle:oinstall /u01/app/oracle/product
[root@rac1 ~]# chmod -R 775 /u01