Install Oracle 11g detailed tutorials based on Rhel 6.5 (4) preparation prior to installation of Oracle ____oracle

4 Installation Pre-Oracle Preparation 4.1 Basic Configuration 4.1.1 Shutdown Firewall

[root@oracle ~]# service iptables stop

Iptables:setting chains to Policy Accept:filter [OK]

iptables:flushing firewall rules: [OK]

iptables:unloading modules: [OK]

Turn off the iptables boot feature

[Root@oracle ~]# chkconfig iptables off

[Root@oracle ~]# Setup

1) as shown in the following figure, select firewall configuration and hit enter.

2) as shown in the following figure, deselect enabled, select OK, and hit enter.

3) as shown in the following figure, select Yes and hit enter.

4 as shown in the following figure, select Quit and tap Enter.

[Root@oracle ~]# service iptables status

Iptables:firewall is not running. 4.1.2 Off SELinux

Modify the/etc/selinux/config file as follows:

Change the selinux=enforcing to selinux=disabled.

[Root@oracle ~]# Vi/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=disabled

# selinuxtype= can take one of these two values:

# targeted-targeted processes are protected,

# Mls-multi level security protection.

selinuxtype=targeted

[Root@oracle ~]# Setenforce 0

[Root@oracle ~]# Getenforce

Permissive

[Root@oracle ~]#/usr/sbin/sestatus-v

SELinux status:enabled

SELINUXFS Mount:/selinux

Current Mode:permissive

Mode from config file:disabled

Policy version:24

Policy from config file:targeted

Process Contexts:

Current context:unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023

Init Context:system_u:system_r:init_t:s0

/sbin/mingetty System_u:system_r:getty_t:s0

/usr/sbin/sshd system_u:system_r:sshd_t:s0-s0:c0.c1023

File Contexts:

Controlling Term:unconfined_u:object_r:user_devpts_t:s0

/etc/passwd System_u:object_r:etc_t:s0

/etc/shadow System_u:object_r:shadow_t:s0

/bin/bash System_u:object_r:shell_exec_t:s0

/bin/login System_u:object_r:login_exec_t:s0

/bin/sh System_u:object_r:bin_t:s0-> System_u:object_r:shell_exec_t:s0

/sbin/agetty System_u:object_r:getty_exec_t:s0

/sbin/init System_u:object_r:init_exec_t:s0

/sbin/mingetty System_u:object_r:getty_exec_t:s0

/usr/sbin/sshd System_u:object_r:sshd_exec_t:s0

[Root@oracle ~]# reboot

Broadcast Message from root@oracle.kely.com

(/dev/pts/0) at 20:30 ...

The system is going down for reboot now!

[Root@oracle ~]# Getenforce

Disabled

[Root@oracle ~]#/usr/sbin/sestatus-v

SELinux status:disabled 4.1.3 Configure Hosts file

Add the following on the last line of the/etc/hosts file:

192.168.0.18 Oracle Oracle.kely.com

[Root@oracle ~]# vi/etc/hosts

192.168.0.18 Oracle Oracle.kely.com

[Root@oracle ~]# Ping Oracle

PING Oracle (192.168.0.18) bytes of data.

Bytes from Oracle (192.168.0.18): icmp_seq=1 ttl=64 time=0.035 ms

Bytes from Oracle (192.168.0.18): icmp_seq=2 ttl=64 time=0.020 ms

^c

---oracle Ping Statistics---

5 Packets transmitted, 5 received, 0% packet loss, time 4587ms

RTT Min/avg/max/mdev = 0.020/0.034/0.039/0.008 ms

[Root@oracle ~]# Ping oracle.kely.com

PING Oracle (192.168.0.18) bytes of data.

Bytes from Oracle (192.168.0.18): icmp_seq=1 ttl=64 time=0.011 ms

Bytes from Oracle (192.168.0.18): icmp_seq=2 ttl=64 time=0.017 ms

^c

---oracle Ping Statistics---

2 packets transmitted, 2 received, 0% packet loss, time 1428ms

RTT Min/avg/max/mdev = 0.011/0.014/0.017/0.003 ms 4.2 Creating an Oracle user Group

[Root@oracle ~]# Groupadd Oinstall

[Root@oracle ~]# Groupadd dba

[Root@oracle ~]# useradd-g oinstall-g dba Oracle

Change the Oracle user's password to 1qaz@wsx.

[Root@oracle ~]# passwd Oracle

Changing password for user Oracle.

New Password:

Bad Password:it are based on a dictionary word

Retype new Password:

Passwd:all authentication tokens updated successfully.

[Root@oracle ~]# ID Oracle

uid=500 (Oracle) gid=501 (oinstall) groups=501 (Oinstall), 502 (dba) 4.3 create logic Volume

1 as shown in the following figure, select the virtual machine in turn-edit settings.

2) as shown in the following illustration, click Add.

3) as shown in the following figure, select the hard drive and click Next.