Oracle Database 11g Installation on
Oracle Linux 7.7
Step 1.
Connect
linux as root user
Extract
Java jdk to the any location I m Extractiong at
/home/admin/Downloads/DB_11g Linux/jdk
By
the following command
tar -xzvf "/home/admin/Downloads/DB_11g
Linux/jdk/jdk-7u76-linux-x64.tar.gz" -C "/home/admin/Downloads/DB_11g
Linux/jdk" and press enter

After extracting You
will see the folder at that location


Now run the Command to move this extracted folder to the
/opt Directory
sudo mv
/home/admin/Downloads/jdk1.7.0_76 /opt/
Now run the Commands
export
JAVA_HOME=/opt/jdk1.7.0_76
export
PATH=$JAVA_HOME/bin:$PATH
after run that commands check the java version by following
command
Java –version
Now You will see

Now add groups named as
oinstall
dba
groupadd
oinstall
groupadd
dba
now add a user with name as oracle and assign it to these
groups
useradd
–g oinstall –G dba oracle
Now create the password for user oracle
Passwd
oracle
Admin123
Admin123

Now assign Read Rights to home directory
Chown –R oracle:oinstall /home
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Then run the following commands as Root User
|
sudo yum-config-manager --enable ol7_MODRHCK/x86_64 |
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sudo yum-config-manager --enable ol7_UEKR3/x86_64 |
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sudo yum-config-manager --enable ol7_UEKR3_OFED20/x86_64 |
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sudo yum-config-manager --enable ol7_UEKR4/x86_64 |
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sudo yum-config-manager --enable ol7_UEKR4_OFED/x86_64 |
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sudo yum-config-manager --enable ol7_UEKR4_archive/x86_64 |
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sudo yum-config-manager --enable ol7_UEKR5/x86_64 |
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sudo yum-config-manager --enable ol7_UEKR5_RDMA/x86_64 |
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sudo yum-config-manager --enable ol7_UEKR5_archive/x86_64 |
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sudo yum-config-manager --enable ol7_addons/x86_64 |
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sudo yum-config-manager --enable ol7_kvm_utils/x86_64 |
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sudo yum-config-manager --enable ol7_latest/x86_64 |
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sudo yum-config-manager --enable ol7_latest_archive/x86_64 |
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sudo yum-config-manager --enable ol7_optional_archive/x86_64 |
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sudo yum-config-manager --enable ol7_optional_latest/x86_64 |
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sudo yum-config-manager --enable ol7_security_validation/x86_64 |
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sudo yum-config-manager --enable ol7_u0_base/x86_64 |
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sudo yum-config-manager --enable ol7_u1_base/x86_64 |
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sudo yum-config-manager --enable ol7_u2_base/x86_64 |
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sudo yum-config-manager --enable ol7_u3_base/x86_64 |
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sudo yum-config-manager --enable ol7_u4_base/x86_64 |
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sudo yum-config-manager --enable ol7_u5_base/x86_64 |
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sudo yum-config-manager --enable ol7_u6_base/x86_64 |
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sudo yum-config-manager --enable ol7_u7_base/x86_64 |
Change root user to oracle by the following command
su oracle
then
[oracle@db11g
~]$ cd /home/admin/Downloads/db11g/database
Then
[oracle@db11g
~] ./runInstaller

Now we are on this dialog

Un check I wish … and press next
Then












Now Run This
export ORACLE_HOME=/home/oracle/app/oracle/product/11.2.0/dbhome_1
export PATH=$ORACLE_HOME/bin:$PATH
export ORACLE_SID=orcl
Then Stop and Disabled Firewall
sudo systemctl stop firewalld
sudo systemctl disable firewalld